kmk metals recycling ltd cappincur industrial estate daingean … · manpower, timescales and...

SURFACE WATER MONITORING December 2018

KMK Metals Recycling Ltd

Cappincur Industrial Estate

Daingean Road

Tullamore

Co. Offaly

Waste Licence No W0113 - 04

SLR Ref: 501.00323.00004 Version No: Rev1 February 2019

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KMK Tullamore Surface Water Monitoring December 2018 Filename: 190121 501.00323.00004 Rev1 KMK Tullamore SW Monitoring Report Dec 2018

SLR Ref No: 501.00323.00004

February 2019

BASIS OF REPORT

This document has been prepared by SLR Consulting Limited with reasonable skill, care and diligence, and taking account of the manpower, timescales and resources devoted to it by agreement with KMK Metals Recycling Ltd (the Client) as part or all of the services it has been appointed by the Client to carry out. It is subject to the terms and conditions of that appointment.

SLR shall not be liable for the use of or reliance on any information, advice, recommendations and opinions in this document for any purpose by any person other than the Client. Reliance may be granted to a third party only in the event that SLR and the third party have executed a reliance agreement or collateral warranty.

Information reported herein may be based on the interpretation of public domain data collected by SLR, and/or information supplied by the Client and/or its other advisors and associates. These data have been accepted in good faith as being accurate and valid.

The copyright and intellectual property in all drawings, reports, specifications, bills of quantities, calculations and other information set out in this report remain vested in SLR unless the terms of appointment state otherwise.

This document may contain information of a specialised and/or highly technical nature and the Client is advised to seek clarification on any elements which may be unclear to it.

Information, advice, recommendations and opinions in this document should only be relied upon in the context of the whole document and any documents referenced explicitly herein and should then only be used within the context of the appointment.

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CONTENTS

INTRODUCTION ............................................................................................................... 1 1.0

SAMPLING METHODOLOGY ............................................................................................. 1 2.0

2.1 Rainfall ...................................................................................................................................... 1

2.2 Laboratory Testing .................................................................................................................... 1

RESULTS .......................................................................................................................... 2 3.0

3.1 Monthly Surface Water Results – December 2018 ................................................................... 2

3.2 Comparison to November Results ............................................................................................ 4

DISCUSSION .................................................................................................................... 6 4.0

DOCUMENT REFERENCES

TABLES

Table 2-1 Rainfall in mm the week before sampling ............................................................................ 1

Table 3-1 Monthly Storm (DX) Water Results – 11th December 2018 ................................................. 2

Table 3-2 Monthly Storm Water (E) Results – 11th December 2018 .................................................... 3

Table 3-3 November and December 2018 Results for DX and E .......................................................... 5

FIGURES

Drawing 01: Site and Sample Locations ............................................................................................... 8

APPENDICES

Appendix 1: Laboratory Results ......................................................................................................... 10

Appendix 2: Surface Water Results .................................................................................................... 11

Appendix 3: Mitigation Measures ...................................................................................................... 34

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Page 1

Introduction 1.0

Following a request from the EPA, SLR Consulting (Ireland) Ltd was commissioned to monitor discharges from DX, E and F at KMK Metals Recycling Ltd., Cappincur Industrial Estate, Daingean Road, Tullamore, Co. Offaly.

Monitoring was conducted by Olivia Brennan of KMK Metals Recycling Ltd. in December for storm water discharges DX and E. This report was completed by SLR’s Principal Hydrogeologist Dominica Baird and Project Hydrogeologist Clodagh Gillen.

The results were compared with updated trigger and action values, which were calculated taking account available data to November 2018. The updated action values also took into consideration the EQS values. The EQS maximum allowable concentrations (MACs) are referenced, where available, otherwise the EQS annual average (AA) is referred to.

Sampling Methodology 2.0

Surface water grab samples were taken from the final sampling chambers of DX and E on 11th December 2018. The sample locations are presented in Drawing 01.

All samples were placed into a cooler box with ice packs to maintain a temperature below 5°C. The samples were forwarded to ALS Environmental, Hawarden, Deeside, UK for analysis. For all monitoring points a grab sample of water was extracted from the outflow of the final sampling chamber.

The samples were collected in the appropriate sample containers, which are supplied by the laboratory for the required analysis. The containers were securely sealed so that there was no loss of volatile components such as moisture and no separation of components. Sample containers were filled and sealed so that there was minimum free air space. All samples containers were clearly and uniquely labelled with details including ID and sampling date. The analysis required for each sample was listed on the Chain of Custody Record which accompanied samples.

2.1 Rainfall The closest rainfall station is in Mullingar approximately 35km north-north-east of the site. The rainfall over the proceeding September, October and November were 45.8, 41.7 and 105.8mm respectively. September and October are below their long-term average in the majority of counties across the country. See Table 2-1 for rainfall data from the week before sampling.

Table 2-1 Rainfall in mm the week before sampling

04/12/18 05/12/18 06/12/18 07/12/18 08/12/18 09/12/18 10/12/18 11/12/18

0.3 10.6 3.9 4.9 6.4 0.6 0.2 2.6

2.2 Laboratory Testing The storm water discharge samples were analysed for a suite of parameters:

Total suspended solids, ionised ammonia/ ammonium as N, COD, conductivity, pH

Metals – chromium, lead, mercury, nickel, arsenic, copper, zinc, iron, aluminium

Hydrocarbons – mineral oil

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Page 2

Results 3.0

This section summarises the surface water results reported for the 11th December monitoring round. The laboratory results are presented in Appendix 01 and the tabulated surface water results and times series graphs are presented in Appendix 02.

3.1 Monthly Surface Water Results – December 2018 The results for the samples taken at DX and E on the 11th December 2018 can be seen in Table 3-1 and Table 3-2 below.

Table 3-1 Monthly Storm (DX) Water Results – 11th December 2018

Parameter Unit DX Licence Emission Limits

Proposed Trigger Warning Value

(November 2018)

Proposed Trigger Action Value

(November 2018)

EQS for SW

Total suspended solids

mg/l 76.1 35 - - -

Ammonia as N mg/l 0.244 - 1.179 1.547

COD mg/l 82.1 - 66.206 79.870 -

Conductivity @ 20°C

mS/cm 0.47 - 0.904 1.112 -

Aluminium µg/l 126 - 138.529 182.472 -

Arsenic µg/l 0.561 - 1.871 2.326 25

Chromium µg/l 35.3* - 1.769 2.047 32

Copper µg/l 11.3* - 10.873 14.253* 5

Lead µg/l 6.37 - 5.463 6.817 7.2 (2009)

14 (2015 MAC)

Nickel µg/l 8.73 - 16.129 19.589 20 (2009)

34 (2015 MAC)

Zinc µg/l 54.2 - 74.794 96.029 100

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Page 3

Parameter Unit DX Licence Emission Limits


(November 2018)


(November 2018)

EQS for SW

Iron mg/l 0.0988 - 0.484 0.644 -

Mercury µg/l <0.01 - 0.031 0.039 0.07

Mineral Oil mg/l 1.31 2 - - -

pH pH units 7.56 - 6.96 - 8.51 6.57 - 8.90 -

Black bold: exceeds licence emission limit

Red: exceeds proposed trigger action value (November 2018)

Orange: exceeds proposed trigger warning value (November 2018)

Green: exceeds EQS for SW (SI 386 of 2015, SI 327 of 2012, SI 272 of 2009)

*Also exceeds EQS for SW (SI 386 of 2015, SI 327 of 2012, SI 272 of 2009)

Table 3-2 Monthly Storm Water (E) Results – 11th December 2018

Parameter Unit E Licence Emission Limits


(November 2018)


(November 2018)

EQS for SW


mg/l 7.5 35 - - -

Ammonia as N mg/l 0.748 - 1.836 2.349

COD mg/l 24.9 - 65.687 82.254 -


mS/cm 0.402 - 0.855 1.084 -

Aluminium µg/l 32.4 - 213.788 278.708 -

Arsenic µg/l 16.2 - 2.981 3.721 25

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Parameter Unit E Licence Emission Limits


(November 2018)


(November 2018)

EQS for SW

Chromium µg/l <1 - 2.860 3.668 32

Copper µg/l 3.91 - 11.687 15.179* 5

Lead µg/l 3.92 - 5.181 6.670 7.2 (2009)

14 (2015 MAC)

Nickel µg/l 5.26 - 14.735 18.716 20 (2009)

34 (2015 MAC)

Zinc µg/l 111* - 78.877 99.821 100

Iron mg/l 5.39 - 0.476 0.626 -

Mercury µg/l <0.01 - 0.029 0.036 0.07

Mineral Oil mg/l <1 2 - - -

pH pH units 7.36 - 7.10 - 9.08 6.61 - 9.57 -

Black bold: exceeds licence emission limit

Red: exceeds proposed trigger action value (April 2018)

Orange: exceeds proposed trigger warning value (April 2018)

Green: exceeds EQS for SW (SI 386 of 2015, SI 327 of 2012, SI 272 of 2009)

*Also exceeds EQS for SW (SI 386 of 2015, SI 327 of 2012, SI 272 of 2009)

3.2 Comparison to November Results The results from the samples taken in November (30/11/18) and December (11/12/18) can be seen in Table 3-3 below for comparison. It is noted that the trigger action values for lead, zinc, copper and mercury have been reduced to take account of the EQS.

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Table 3-3 November and December 2018 Results for DX and E

Parameter Unit DX Nov DX Dec E Nov E Dec


mg/l 48.2 76.1 13 7.5

COD mg/l 48.1 82.1 29.5 24.9


mS/cm 0.399 0.47 0.454 0.402

Aluminium µg/l 111 126 29.7 32.4

Arsenic µg/l 0.685 0.561 18.8 16.2

Chromium µg/l 4.33 35.3* <1 <1

Copper µg/l 17.8* 11.3* 0.784 3.91

Lead µg/l 5.06 6.37 1.41 3.92

Nickel µg/l 4.92 8.73 3.41 5.26

Zinc µg/l 64.4 54.2 52 111*

Iron mg/l 0.0289 0.0988 5.87 5.39

Mercury µg/l 0.0133 <0.01 <0.01 <0.01

Mineral Oil mg/l <1 1.31 <1 <1

pH pH units 7.74 7.56 7.51 7.36

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Discussion 4.0

4.1 Overview These results were compared with updated trigger and action values, which were calculated taking account available data to November 2018. The updated action values also took into consideration the EQS values and the trigger action values for lead, zinc, copper and mercury have been reduced to take account of the EQS.

For Storm Water Sample DX, six parameters exceed assessment criteria, and five parameters exceed limits excluding the trigger warning value. Total suspended solids exceed the licence emission limit. COD and chromium exceed the proposed trigger action value, copper and lead exceed the trigger warning value. Chromium and copper also exceed the EQS.

For Storm Water Sample E, four parameters exceed assessment criteria. Arsenic, zinc and iron exceed the proposed trigger action value. Zinc also exceeds the EQS.

In comparison to the previous round of sampling (30/11/18), for sample DX the number of exceedances excluding the trigger warning values increased from four to five. COD was below all criteria in November but in December increased above trigger action values, respectively. Total suspended solids and chromium remain above criteria and also increased. Copper decreased in concentration but still remains above the trigger warning value and EQS.

For sample E the number of exceedances has increased from three to four. Zinc was below all criteria in November but in December increased above the trigger action value and EQS. Arsenic, and iron remain above criteria with similar concentrations to November.

The procedure to be carried out in the event of any trigger level values exceedances is outlined in the IMS Operational Procedure version 03, reference IMS Reference 313-PRO-IMS. In addition to these procedures, additional mitigation measures have been carried out. Details of measures undertaken are presented in Appendix 03. The implementation of these measures is discussed in relation to individual parameters below:

Storm Water DX Parameters

Suspended Solids

A reading of 76.1mg/l has been reported in December 2018. Additional mitigation measures outlined including jetting and desludging, covering drains and altering the dampening procedure have been carried out earlier this year which resulted in the suspended solids reducing to 72.7mg/l in May 2018. October 2018 samples were taken without the additional filters, resulting in a high reading of 148mg/l. Since the October 2018 samples, the Ultra Drain Guard filters have been refitted onto the outlet pipe and the filters will remain in place for future sampling. November 2018 results showed this filter reducing suspended solids and it had been expected that future suspended solids results will continue to reduce due to these filters, however an increase has occurred in December 2018. This increase could be due to weather conditions and increased rainfall during the winter months. It is noted that from 2015 there has been an exceedance in suspended solids in December. The filter has now been replaced.

Metals

Chromium was in exceedance of the action value and will require a review on the impact of the filter. As noted above, the filter has now been replaced. Copper and lead were above the warning value. Chromium and copper was also above the EQS value. Chromium in DX had a significant increase since the November results, increasing from 4.33µg/l to 35.3µg/l. Future results will be assessed to see if the chromium levels remain

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Page 7

elevated and an internal investigation is being carried out to investigate any potential occupational sources of chromium on the site.

COD

COD was in exceedance of the action value and will require a review of the performance of the filter.

Storm Water E Parameters

Metals

Arsenic, zinc and iron were in exceedance of action limits and will require a review on the impact of the filter.

The mitigation measures are listed in Appendix 03, and include replacement of interceptor filters, implementation of a new drain cleaning checklist and monthly jetting and desludging of interceptors and the drainage network.

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Page 8

FIGURES

Drawing 01: Site and Sample Locations

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Page 10

APPENDIX 1

Appendix 1: Laboratory Results

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Unit 7-8 Hawarden Business Park

Manor Road (off Manor Lane)

Hawarden

Deeside

CH5 3US

Tel: (01244) 528700

Fax: (01244) 528701

email: [email protected]

Website: www.alsenvironmental.co.uk

KMK Metals Recycling Ltd

Cappincur Ind. Est

Daingean Road

Tullamore

Co. Offaly

Attention: Olivia Brennan

CERTIFICATE OF ANALYSIS

Olivia

Location:

Your Reference:

Sample Delivery Group (SDG):

Customer:

Date of report Generation: 08 January 2019

D_KMKMETALS_TUL

181218-39

Storm Water

KMU Tullemore

We received 2 samples on Monday December 17, 2018 and 2 of these samples were scheduled for analysis which was completed on

Monday January 07, 2019. Accredited laboratory tests are defined within the report, but opinions, interpretations and on-site data

expressed herein are outside the scope of ISO 17025 accreditation.

Should this report require incorporation into client reports, it must be used in its entirety and not simply with the data sections alone.

Chemical testing (unless subcontracted) performed at ALS Life Sciences Ltd Hawarden (Method codes TM) or ALS Life Sciences Ltd

Aberdeen (Method codes S).

All sample data is provided by the customer. The reported results relate to the sample supplied, and on the basis that this data is

correct.

Incorrect sampling dates and/or sample information will affect the validity of results.

The customer is not permitted to reproduce this report except in full without the approval of the laboratory.

Report No: 487399

This report has been revised and directly supersedes 487332 in its entirety.

Operations Manager

Sonia McWhan

Approved By:

ALS Life Sciences Limited. Registered Office: Units 7 & 8 Hawarden Business Park, Manor Road, Hawarden, Deeside, CH5 3US. Registered in

England and Wales No. 4057291.

Page 1 of 7

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CERTIFICATE OF ANALYSISSDG: Client Reference:181218-39 Storm Water

Location: Order Number:

Report Number:KMU Tullemore 1924

487399487332Superseded Report:

Validated

Received Sample OverviewSampled DateLab Sample No(s) Customer Sample Ref. AGS Ref. Depth (m)

18991267 DX 11/12/2018

18991266 E 11/12/2018

Only received samples which have had analysis scheduled will be shown on the following pages.

ALS have data which show that a cool box with 4 frozen icepacks is capable of

maintaining pre-chilled samples at a temperature of (5±3)°C for a period of up to 24hrs.ISO5667-3 Water quality - Sampling - Part3 -

During Transportation samples shall be stored in a cooling device capable of maintaining

a temperature of (5±3)°C.

Maximum Sample/Coolbox Temperature (°C) : 9.8

08:34:50 08/01/2019

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Validated

Results Legend

X Test

N No Determination

Possible

Lab Sample No(s)

Customer

Sample Reference

Depth (m)

Container

AGS Reference

Sample Types -

S - Soil/Solid

UNS - Unspecified Solid

GW - Ground Water

SW - Surface Water

LE - Land Leachate

PL - Prepared Leachate

PR - Process Water

SA - Saline Water

TE - Trade Effluent

TS - Treated Sewage

US - Untreated Sewage

RE - Recreational Water

DW - Drinking Water Non-regulatory

UNL - Unspecified Liquid

SL - Sludge

G - Gas

OTH - Other

Sample Type

18

99

126

7

18

99

126

6

DX E

0.5

l gla

ss bottle

(AL

E22

7)

250

ml B

OD

(AL

E21

2)

500

ml P

lastic

(AL

E20

8)

H2S

O4 (A

LE

24

4)

HN

O3 F

iltere

d

(AL

E20

4)

0.5

l gla

ss bottle

(AL

E22

7)

250

ml B

OD

(AL

E21

2)

500

ml P

lastic

(AL

E20

8)

H2S

O4 (A

LE

24

4)

HN

O3 F

iltere

d

(AL

E20

4)

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

Ammonium Low All NDPs: 0

Tests: 2

X

X

COD Unfiltered All NDPs: 0

Tests: 2

X

X

Conductivity (at 20 deg.C) All NDPs: 0

Tests: 2

X

X

Dissolved Metals by ICP-MS All NDPs: 0

Tests: 2

X

X

Mercury Dissolved All NDPs: 0

Tests: 2

X

X

pH Value All NDPs: 0

Tests: 2

X

X

Suspended Solids All NDPs: 0

Tests: 2

X

X

TPH by IR Oils and Greases All NDPs: 0

Tests: 2

X

X

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Validated

ISO17025 accredited.

mCERTS accredited.

Aqueous / settled sample.

Dissolved / filtered sample.

Total / unfiltered sample.

Subcontracted test.

% recovery of the surrogate standard to

check the efficiency of the method. The

results of individual compounds within

samples aren't corrected for the recovery

Trigger breach confirmed

Sample deviation (see appendix)

#

M

aq

diss.filt

tot.unfilt

*

**

(F)

1-5&♦§@

Results Legend

AGS Reference

Lab Sample No.(s)

SDG Ref

Date Received

Date Sampled

Sample Type

Depth (m)

Customer Sample Ref.

MethodLOD/UnitsComponent

Sample Time

DX

.

Surface Water (SW)

11/12/2018

.

17/12/2018

181218-39

18991267

E

.

Surface Water (SW)

11/12/2018

.

17/12/2018

181218-39

18991266

Suspended solids, Total <2 mg/l TM022 76.1

@ #

7.5

@ #

Ionised Ammonia/ Ammonium

as N

<0.01 mg/l TM099 0.244

@

0.748

@

COD, unfiltered <7 mg/l TM107 82.1

@ #

24.9

@ #

Conductivity @ 20 deg.C <0.005

mS/cm

TM120 0.47

#

0.402

#

Aluminium (diss.filt) <10 µg/l TM152 126

#

32.4

#

Arsenic (diss.filt) <0.5 µg/l TM152 0.561

#

16.2

#

Chromium (diss.filt) <1 µg/l TM152 35.3

#

<1

#

Copper (diss.filt) <0.3 µg/l TM152 11.3

#

3.91

#

Lead (diss.filt) <0.2 µg/l TM152 6.37

#

3.92

#

Nickel (diss.filt) <0.4 µg/l TM152 8.73

#

5.26

#

Zinc (diss.filt) <1 µg/l TM152 54.2

#

111

#

Iron (Dis.Filt) <0.019 mg/l TM152 0.0988

#

5.39

#

Mercury (diss.filt) <0.01 µg/l TM183 <0.01

<0.01

Mineral Oil <1 mg/l TM235 1.31

<1

pH <1 pH Units TM256 7.56

@ #

7.36

@ #

08:34:50 08/01/2019

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Validated

Table of Results - AppendixMethod No Reference Description

TM022 Method 2540D, AWWA/APHA, 20th Ed., 1999 / BS 2690:

Part120 1981;BS EN 872

Determination of total suspended solids in waters

TM099 BS 2690: Part 7:1968 / BS 6068: Part2.11:1984 Determination of Ammonium in Water Samples using the Kone Analyser

TM107 ISO 6060-1989 Determination of Chemical Oxygen Demand using COD Dr Lange Kit

TM120 Method 2510B, AWWA/APHA, 20th Ed., 1999 / BS 2690:

Part 9:1970

Determination of Electrical Conductivity using a Conductivity Meter

TM152 Method 3125B, AWWA/APHA, 20th Ed., 1999 Analysis of Aqueous Samples by ICP-MS

TM183 BS EN 23506:2002, (BS 6068-2.74:2002) ISBN 0 580

38924 3

Determination of Trace Level Mercury in Waters and Leachates by PSA Cold Vapour

Atomic Fluorescence Spectrometry

TM235 The Determination of Hydrocarbon Oils in Waters by

Solvent Extraction, Infra red Absorption and Gravimetry

1983, HMSO, London

Determination of Total Petroleum Hydrocarbons (TPH) in Waters By Infra-Red

Spectroscopy

TM256 The measurement of Electrical Conductivity and the

Laboratory determination of pH Value of Natural, Treated

and Wastewaters. HMSO, 1978. ISBN 011 751428 4.

Determination of pH in Water and Leachate using the GLpH pH Meter

NA = not applicable.

Chemical testing (unless subcontracted) performed at ALS Life Sciences Ltd Hawarden (Method codes TM) or ALS Life Sciences Ltd Aberdeen (Method codes S).

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Validated

Test Completion DatesLab Sample No(s)

Customer Sample Ref.

Depth

Type

AGS Ref.

18991267 18991266

DX E

Surface Water Surface Water

Ammonium Low 02-Jan-2019 31-Dec-2018

COD Unfiltered 07-Jan-2019 04-Jan-2019

Conductivity (at 20 deg.C) 21-Dec-2018 21-Dec-2018

Dissolved Metals by ICP-MS 27-Dec-2018 27-Dec-2018

Mercury Dissolved 27-Dec-2018 27-Dec-2018

pH Value 28-Dec-2018 28-Dec-2018

Suspended Solids 31-Dec-2018 31-Dec-2018

TPH by IR Oils and Greases 28-Dec-2018 27-Dec-2018

08:34:50 08/01/2019

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EPA Export 17-04-2019:03:41:11

CERTIFICATE OF ANALYSIS

SDG: Client Reference:181218-39 Storm WaterLocation: Order Number:



Olivia

Appendix1. Results are expressed on a dry weight basis (dried at 35ºC) for all soil analyses except

for the following: NRA and CEN Leach tests, flash point LOI, pH, ammonium as NH4 by the

BRE method, VOC TICs and SVOC TICs.

2. Samples will be run in duplicate upon request, but an additional charge may be incurred.

3. If sufficient sample is received a sub sample will be retained free of charge for 30 days

after analysis is completed (e-mailed) for all sample types unless the sample is destroyed

on testing. The prepared soil sub sample that is analysed for asbestos will be retained for a

period of 6 months after the analysis date. All bulk samples will be retained for a period of 6

months after the analysis date. All samples received and not scheduled will be disposed of

one month after the date of receipt unless we are instructed to the contrary. Once the initial

period has expired, a storage charge will be applied for each month or part thereof until the

client cancels the request for sample storage. ALS reserve the right to charge for samples

received and stored but not analysed.

4. With respect to turnaround, we will always endeavour to meet client requirements

wherever possible, but turnaround times cannot be absolutely guaranteed due to so many

variables beyond our control.

5. We take responsibility for any test performed by sub -contractors (marked with an

asterisk). We endeavour to use UKAS/MCERTS Accredited Laboratories, who either

complete a quality questionnaire or are audited by ourselves. For some determinands there

are no UKAS/MCERTS Accredited Laboratories, in this instance a laboratory with a known

track record will be utilised.

6. When requested, the individual sub sample scheduled will be analysed in house for the

presence of asbestos fibres and asbestos containing material by our documented in house

method TM048 based on HSG 248 (2005), which is accredited to ISO17025. If a specific

asbestos fibre type is not found this will be reported as “Not detected”. If no asbestos fibre

types are found all will be reported as “Not detected” and the sub sample analysed deemed

to be clear of asbestos. If an asbestos fibre type is found it will be reported as detected (for

each fibre type found). Testing can be carried out on asbestos positive samples, but, due

to Health and Safety considerations, may be replaced by alternative tests or reported as No

Determination Possible (NDP). The quantity of asbestos present is not determined unless

specifically requested.

7. If no separate volatile sample is supplied by the client, or if a headspace or sediment is

present in the volatile sample, the integrity of the data may be compromised. This will be

flagged up as an invalid VOC on the test schedule and the result marked as deviating on

the test certificate.

8. If appropriate preserved bottles are not received preservation will take place on receipt .

However, the integrity of the data may be compromised.

9. NDP - No determination possible due to insufficient /unsuitable sample.

10. Metals in water are performed on a filtered sample, and therefore represent dissolved

metals - total metals must be requested separately.

11. Results relate only to the items tested.

12. LoDs (Limit of Detection) for wet tests reported on a dry weight basis are not corrected

for moisture content.

13. Surrogate recoveries - Surrogates are added to your sample to monitor recovery of

the test requested. A % recovery is reported, results are not corrected for the recovery

measured. Typical recoveries for organics tests are 70-130%. Recoveries in soils are

affected by organic rich or clay rich matrices . Waters can be affected by remediation fluids

or high amounts of sediment. Test results are only ever reported if all of the associated

quality checks pass; it is assumed that all recoveries outside of the values above are due

to matrix affect.

14. Product analyses - Organic analyses on products can only be semi -quantitative due to

the matrix effects and high dilution factors

employed.

15. Phenols monohydric by HPLC include phenol, cresols (2-Methylphenol, 3-Methylphenol

and 4-Methylphenol) and Xylenols (2,3 Dimethylphenol, 2,4 Dimethylphenol, 2,5

Dimethylphenol, 2,6 Dimethylphenol, 3,4 Dimethyphenol, 3,5 Dimethylphenol).

16. Total of 5 speciated phenols by HPLC includes Phenol, 2,3,5-Trimethyl Phenol,

2-Isopropylphenol, Cresols and Xylenols (as detailed in 15).

17. Stones/debris are not routinely removed. We always endeavour to take a

representative sub sample from the received sample.

18. In certain circumstances the method detection limit may be elevated due to the sample

being outside the calibration range. Other factors that may contribute to this include

possible interferences. In both cases the sample would be diluted which would cause the

method detection limit to be raised.

19. Mercury results quoted on soils will not include volatile mercury as the analysis is

performed on a dried and crushed sample.

20. For leachate preparations other than Zero Headspace Extraction (ZHE) volatile loss

may occur.

Identification of Asbestos in Bulk Materials & Soils

The results for identification of asbestos in bulk materials are obtained from supplied

bulk materials which have been examined to determine the presence of asbestos fibres

using ALS (Hawarden) in-house method of transmitted/polarised light microscopy and

central stop dispersion staining, based on HSG 248 (2005).

The results for identification of asbestos in soils are obtained from a homogenised sub

sample which has been examined to determine the presence of asbestos fibres using

ALS (Hawarden) in-house method of transmitted/polarised light microscopy and central

stop dispersion staining, based on HSG 248 (2005).

-Fibrous Tremol ite

-Fib ro us Anthop hyll ite

-Fibrous Acti nolite

Blue Asbe stosCro ci dolite

Brow n AsbestosAmosite

White AsbestosChrysoti le

Common NameAsbe stos Type

-Fibrous Tremol ite

-Fib ro us Anthop hyll ite

-Fibrous Acti nolite

Blue Asbe stosCro ci dolite

Brow n AsbestosAmosite

White AsbestosChrysoti le

Common NameAsbe stos Type

Visual Estimation Of Fibre Content

Estimation of fibre content is not permitted as part of our UKAS accredited test other

than: - Trace - Where only one or two asbestos fibres were identified.

Further guidance on typical asbestos fibre content of manufactured products can

be found in HSG 264.

The identification of asbestos containing materials and soils falls within our

schedule of tests for which we hold UKAS accreditation, however opinions,

interpretations and all other information contained in the report are outside the

scope of UKAS accreditation.

Sample Deviations

Asbestos

General21. For the BSEN 12457-3 two batch process to allow the cumulative release to be

calculated, the volume of the leachate produced is measured and filtered for all tests .

We therefore cannot carry out any unfiltered analysis. The tests affected include volatiles

GCFID/GCMS and all subcontracted analysis.

22. We are accredited to MCERTS for sand, clay and loam/topsoil, or any of these

materials - whether these are derived from naturally occurring soil profiles, or from

fill/made ground, as long as these materials constitute the major part of the sample .

Other coarse granular material such as concrete, gravel and brick are not accredited if

they comprise the major part of the sample.

23. Analysis and identification of specific compounds using GCFID is by retention time

only, and we routinely calibrate and quantify for benzene, toluene, ethylbenzenes and

xylenes (BTEX). For total volatiles in the C5-C12 range, the total area of the

chromatogram is integrated and expressed as ug /kg or ug/l. Although this analysis is

commonly used for the quantification of gasoline range organics (GRO), the system will

also detect other compounds such as chlorinated solvents, and this may lead to a falsely

high result with respect to hydrocarbons only. It is not possible to specifically identify

these non-hydrocarbons, as standards are not routinely run for any other compounds ,

and for more definitive identification, volatiles by GCMS should be utilised.

24. Tentatively Identified Compounds (TICs) are non-target peaks in VOC and SVOC

analysis. All non-target peaks detected with a concentration above the LoD are subjected

to a mass spectral library search. Non-target peaks with a library search confidence of

>75% are reported based on the best mass spectral library match. When a non-target

peak with a library search confidence of <75% is detected it is reported as “mixed

hydrocarbons”. Non-target compounds identified from the scan data are semi-quantified

relative to one of the deuterated internal standards, under the same chromatographic

conditions as the target compounds. This result is reported as a semi-quantitative value

and reported as Tentatively Identified Compounds (TICs). TICs are outside the scope of

UKAS accreditation and are not moisture corrected.

Container with Headspace provided for volatiles analysis

Incorrect container received

Deviation from method

Holding time exceeded before sample received

Samples exceeded holding time before presevation was performed

Sampled on date not provided

Sample holding time exceeded in laboratory

Sample holding time exceeded due to sampled on date

Sample Holding Time exceeded - Late arrival of instructions.

1

2

4

3

5

§

♦

@

&

If a sample is classed as deviated then the associated results may be compromised.

08:36:54 08/01/2019 08/01/2019Modification Date:

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SLR Ref No: 501.00323.00004

February 2019

Page 11

APPENDIX 2

Appendix 2: Surface Water Results

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SLR Ref No: 501.00323.00004

February 2019

Page 12

Sampling Period Sampling Date Result Licence Limit Result Warning Value Action Value ResultWarning

Value Lower

Warning

Value Upper

Action Value

Lower

Action Value

UpperResult

Warning

ValueAction Value Result

Warning

ValueAction Value

2015 - Q3 10/11/2015 20 35 0.619 1.405 1.731 8.71 1.24 3.05 4.763 60.1 130 155

2015 - Q4 07/12/2015 43.5 35 0.395 1.405 1.731 7.95 0.112 3.05 4.763 39.1 130 155

2016 - Q1 10/02/2016 10.5 35 0.184 0.985 1.238 7.94 0.159 2.33 3.06 19.4 61.9 80.1

2016 - Q2 30/06/2016 2 35 0.199 0.985 1.238 7.01 0.295 2.33 3.06 19.6 61.9 80.1

2016 - Q3 03/10/2016 11 35 0.509 0.985 1.238 7.71 1.9 2.33 3.06 50 61.9 80.1

2016 - Q4 23/11/2016 2 35 0.551 0.985 1.238 8.1 1.24 2.33 3.06 32.2 61.9 80.1

2017 - Q1 08/03/2017 4.1 35 0.163 0.985 1.238 7.32 0.278 2.33 3.06 17.1 61.9 80.1

2017 - Q2 26/04/2017 6.9 35 0.391 0.985 1.238 7.38 1.01 2.33 3.06 37.2 61.9 80.1

2017 - Q3 04/09/2017 9.95 35 0.652 0.985 1.238 7.76 0.961 2.33 3.06 55.6 61.9 80.1

2017 - Q4 07/12/2017 48.2 35 0.817 0.709 0.876 7.68 0.886 2.01 2.63 89.3 63.34 77.84

2018 - Q1 26/03/2018 20.2 35 0.455 0.709 0.876 8.04 2.01 2.63 38.1 63.34 77.84

2018 - April 25/04/2018 112 35 0.709 0.771 0.961 7.29 0.101 1.603 2.071 293 66.42 82.585

2018 - May 24/05/2018 72.7 35 0.523 0.771 0.961 7.93 0.128 1.603 2.071 53.2 66.42 82.585

2018 - July 31/07/2018 64.7 35 0.457 0.771 0.961 7.69 0.365 1.603 2.071 90.8 66.42 82.585

2018 - August 22/08/2018 22.7 35 0.807 0.771 0.961 7.44 3.46 1.603 2.071 97.6 66.42 82.585

2018 - September 28/09/2018 125 35 0.381 0.771 0.961 7.72 0.092 1.603 2.071 35.7 66.42 82.585

2018 - October 31/10/2018 148 35 0.889 0.771 0.961 7.48 0.821 1.603 2.071 141 66.42 82.585

2018 - November 30/11/2018 48.2 35 0.399 0.904 1.112 7.74 6.96 8.51 6.57 8.9 0.147 1.179 1.547 48.1 66.206 79.87

2018 - December 11/12/2018 76.1 35 0.47 0.904 1.112 7.56 6.96 8.51 6.57 8.9 0.244 1.179 1.547 82.1 66.206 79.87

HIGHLIGHTED text indicates newly proposed Trigger Level Values (November 2018)

Chemical Oxygen Demand (mg/L)

An underline indicates that a "<" was removed for graphing purposes

BOLD RED text indicates an exceedence of action limit values applicable at the time

Storm Water (DX) Sampling Suspended Solids (mg/L) Conductivity (mS/cm) pH (pH units)

indicates an additional exceedance of the SW EQS MAC Values 2015

BOLD ORANGE text indicates an exceedence of warning limit values applicable at the time

BOLD BLACK text indicates an exceedence of a licence limit applicable at the time

indicates an additional exceedance of the SW EQS AA Values 2009

Ammonia (as N) (mg/L)

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February 2019

Page 13

ResultWarning


Warning

ValueAction Value

EQS AA

ValueResult Warning Value Action Value EQS AA Value Result Warning Value Action Value EQS AA Value Result

Warning

Value

Action

Value

EQS AA

Value

EQS MAC

Value

0.143 0.562 1.043 1.83 1.9 3 25 31.5 270 431 100 1.33 10.00 17.00 32 15.6 26.00 42.00 20 34

0.0404 0.562 1.043 0.879 1.9 3 25 115 270 431 100 1.79 10.00 17.00 32 6.07 26.00 42.00 20 34

0.0778 0.562 1.043 0.12 1.9 3 25 105 270 431 100 0.859 10.00 17.00 32 2.98 26.00 42.00 20 34

0.144 0.562 1.043 0.28 1.9 3 25 116 270 431 100 1.15 10.00 17.00 32 8.51 26.00 42.00 20 34

0.379 0.562 1.043 0.837 1.9 3 25 25.1 270 431 100 1.37 10.00 17.00 32 11 26.00 42.00 20 34

0.322 0.562 1.043 0.779 1.9 3 25 35.7 270 431 100 1.2 10.00 17.00 32 8.54 26.00 42.00 20 34

0.0393 0.562 1.043 1.13 1.9 3 25 236 270 431 100 1.2 10.00 17.00 32 6.03 26.00 42.00 20 34

0.605 0.562 1.043 0.766 1.9 3 25 6.82 270 431 100 1.2 10.00 17.00 32 10 26.00 42.00 20 34

0.194 0.562 1.043 1.06 1.9 3 25 5.61 270 431 100 1 10.00 17.00 32 8.22 26.00 42.00 20 34

0.0327 0.593 0.781 1.92 1.8 2.3 25 10.1 225 296 100 1 1.80 2.00 32 13.6 15.70 19.30 20 34

0.019 0.593 0.781 1.08 1.8 2.3 25 97 225 296 100 1.87 1.80 2.00 32 8.87 15.70 19.30 20 34

0.0972 0.451 0.596 0.912 2.343 2.954 25 138 84.822 109.819 100 1 2.77 3.50 32 12.4 16.02 19.93 20 34

0.0823 0.451 0.596 0.7 2.343 2.954 25 478 84.822 109.819 100 1.22 2.77 3.50 32 14 16.02 19.93 20 34

0.0737 0.451 0.596 0.854 2.343 2.954 25 36.7 84.822 109.819 100 1 2.77 3.50 32 11.4 16.02 19.93 20 34

0.519 0.451 0.596 1.06 2.343 2.954 25 10.7 84.822 109.819 100 1 2.77 3.50 32 12 16.02 19.93 20 34

0.261 0.451 0.596 1.38 2.343 2.954 25 56 84.822 109.819 100 1 2.77 3.50 32 7.39 16.02 19.93 20 34

0.636 0.451 0.596 1.01 2.343 2.954 25 55.7 84.822 109.819 100 1 2.77 3.50 32 20.9 16.02 19.93 20 34

0.0289 0.484 0.644 0.685 1.871 2.326 25 64.4 74.794 96.029 100 4.33 1.769 2.047 32 4.92 16.129 19.589 20 34

0.0988 0.484 0.644 0.561 1.871 2.326 25 54.2 74.794 96.029 100 35.3 1.769 2.047 32 8.73 16.129 19.589 20 34

Iron (mg/L) Arsenic (µg/L) Zinc (µg/L) Chromium (µg/L) Nickel (µg/L)

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February 2019

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ResultWarning

Value

Action

ValueResult

Warning

Value

Action

Value

EQS AA

VlaueResult

Warning

ValueAction Value

EQS AA

Value

EQS MAC

ValueResult

Warning

ValueAction Value

EQS AA

ValueResult

Licence

Limit

190 208 304 10.7 18.6 25.8 5 17.8 47 209 7.2 14 0.01 0.33 0.5 0.07 1 2

35.8 208 304 10.4 18.6 25.8 5 4.73 47 209 7.2 14 0.01 0.33 0.5 0.07 1 2

29.3 208 304 8.17 30 39 5 18 11.8 15.6 7.2 14 0.0436 0.0615 0.0796 0.07 1 2

21.3 208 304 1.36 30 39 5 4.39 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

22.6 208 304 0.85 30 39 5 2.96 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

32 208 304 2.68 30 39 5 4.89 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

9.76 208 304 5.03 30 39 5 6.27 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

18.3 208 304 0.85 30 39 5 0.946 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

69.8 208 304 2.84 30 39 5 2.75 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

25.9 155.66 211.05 2.1 12.9 16.9 5 1.07 19.9 26 7.2 14 0.01 0.036 0.048 0.07 1 2

48.3 155.66 211.05 8.07 12.9 16.9 5 2.45 19.9 26 7.2 14 0.01 0.036 0.048 0.07 1 2

65.5 180.511 236.628 11.8 22.405 29.646 5 7.15 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 5 2

41.2 180.511 236.628 26.4 22.405 29.646 5 7.97 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 5.31 2

70.3 180.511 236.628 4.12 22.405 29.646 5 14.9 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 1.65 2

79.8 180.511 236.628 1.84 22.405 29.646 5 1.23 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 3.13 2

68 180.511 236.628 7.75 22.405 29.646 5 12.4 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 1 2

21.5 180.511 236.628 5.55 22.405 29.646 5 9.79 8.7 11.2 7.2 14 0.025 0.09 0.125 0.07 5 2

111 138.529 182.472 17.8 10.873 14.253 5 5.06 5.463 6.817 7.2 14 0.0133 0.031 0.039 0.07 1 2

126 138.529 182.472 11.3 10.873 14.253 5 6.37 5.463 6.817 7.2 14 0.01 0.031 0.039 0.07 1.31 2

Copper (µg/L) Mercury (µg/L) Mineral Oil (mg/L)Aluminium (µg/L) Lead (µg/L)

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February 2019

Page 15

Sampling Period Sampling Date Result Licence Limit Result Warning Value Action Value Result

Warning

Value

Lower

Warning

Value

Upper

Action

Value

Lower

Action

Value

Upper

ResultWarning


Warning

ValueAction Value

2014 - Q1 31/03/2014 8 35 0.146 8.4 0.473 11

2014 - Q2 29/05/2014 3.5 35 0.246 8.88 0.988 32.4

2014 - Q3 25/09/2014 6 35 0.124 7.8 0.337 19

2014 - Q4 19/11/2014 5 35 0.263 9.2 0.97 22

2015 - Q1 16/02/2015 2 35 0.266 7.72 0.471 21.2

2015 - Q2 03/06/2015 2 35 0.184 1.405 1.731 8.8 0.373 3.05 4.763 20.9 130 155

2015 - Q3 10/11/2015 11.5 35 0.352 1.405 1.731 7.54 0.936 3.05 4.763 64.6 130 155

2015 - Q4 07/12/2015 112 35 0.12 1.405 1.731 8.17 0.216 3.05 4.763 78.5 130 155

2016 - Q1 (1) 10/02/2016 9 35 0.393 0.985 1.238 7.98 0.698 2.33 3.06 34.8 61.9 80.1

2016 - Q1 (2) 24/02/2016 10 35 0.363 0.985 1.238 8.43 1.01 2.33 3.06 29.7 61.9 80.1

2016 - Q2 (1) 30/06/2016 4.5 35 1.13 0.985 1.238 8.62 56.2 2.33 3.06 34.9 61.9 80.1

2016 - Q2 (2) 15/08/2016 35 0.985 1.238 0.025 2.33 3.06 61.9 80.1

2016 - Q3 03/10/2016 3.5 35 0.37 0.985 1.238 8.62 1.12 2.33 3.06 25.9 61.9 80.1

2016 - Q4 (1) 23/11/2016 11 35 0.575 0.985 1.238 8.13 2.23 2.33 3.06 66.8 61.9 80.1

2016 - Q4 (2) 09/12/2016 35 0.985 1.238 2.33 3.06 61.9 80.1

2017 - Q1 08/03/2017 7.45 35 0.336 0.985 1.238 8 0.93 2.33 3.06 31.6 61.9 80.1

2017 - Q2 26/04/2017 5.15 35 0.358 0.985 1.238 7.72 1.08 2.33 3.06 48.7 61.9 80.1

2017 - Q3 04/09/2017 3.35 35 0.749 0.985 1.238 7.91 0.213 2.33 3.06 32.6 61.9 80.1

2017 - Q4 07/12/2017 16.4 35 0.567 0.827 1.067 7.41 1.06 1.814 2.326 30.7 69.64 87.49

2018 - Q1 26/03/2018 8.8 35 0.584 0.827 1.067 8.07 1.814 2.326 13.6 69.64 87.49

2018 - April 25/04/2018 21 35 0.651 0.771 0.961 7.4 1.32 1.603 2.071 30.3 66.42 82.585

2018 - May 24/05/2018 5.75 35 0.219 0.771 0.961 7.96 0.241 1.603 2.071 25.9 66.42 82.585

2018 - July 31/07/2018 2.75 35 0.185 0.771 0.961 7.67 0.305 1.603 2.071 22.7 66.42 82.585

2018 - August 22/08/2018 3.05 35 0.165 0.771 0.961 7.4 0.307 1.603 2.071 28.9 66.42 82.585

2018 - September 12/10/2018 6.3 35 0.424 0.771 0.961 8.32 1.87 1.603 2.071 19.7 66.42 82.585

2018- October 31/10/2018 3.65 35 0.239 0.771 0.961 7.47 0.74 1.603 2.071 24.4 66.42 82.585

2018 - November 30/11/2018 13 35 0.454 0.855 1.084 7.51 7.10 9.08 6.61 9.57 0.646 1.836 2.349 29.5 65.687 82.254

2018 - December 11/12/2018 7.5 35 0.402 0.855 1.084 7.36 7.10 9.08 6.61 9.57 0.748 1.836 2.349 24.9 65.687 82.254

Conductivity (mS/cm)Suspended Solids (mg/L) pH (pH units) Ammonia (as N) (mg/L) Chemical Oxygen Demand (mg/L)

indicates an additional exceedance of the SW EQS MAC Values 2015

indicates an additional exceedance of the SW EQS AA Values 2009

HIGHLIGHTED text indicates newly proposed Trigger Level Values (November 2018)

Storm Water (E) Sampling

An underline indicates that a "<" was removed for graphing purposes

BOLD RED text indicates an exceedence of action limit values applicable at the time

BOLD BLACK text indicates an exceedence of a licence limit applicable at the time

BOLD ORANGE text indicates an exceedence of warning limit values applicable at the time

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Page 16

ResultWarning


Warning

ValueAction Value

EQS AA

ValueResult

Warning

ValueAction Value

EQS AA

ValueResult

Warning

ValueAction Value

EQS AA

ValueResult

Warning

ValueAction Value

EQS AA

Value

EQS MAC

Value

0.1195 0.731 25 21.88 100 0.68 32 2.299 20 34

0.253 2.6 25 86.6 100 2.1 32 7.03 20 34

0.11 0.6 25 187.5 100 1 32 3.6 20 34

0.67 3.1 25 250 100 1 32 11 20 34

0.0379 0.555 25 37.8 100 0.506 32 5.89 20 34

0.107 0.562 1.043 1.6 1.9 3 25 11.1 270 431 100 0.913 10 17 32 2.79 26 42 20 34

0.225 0.562 1.043 1.23 1.9 3 25 202 270 431 100 1.84 10 17 32 13.5 26 42 20 34

0.0765 0.562 1.043 0.262 1.9 3 25 45.9 270 431 100 0.883 10 17 32 3.57 26 42 20 34

0.157 0.562 1.043 0.904 1.9 3 25 431 270 431 100 1.3 10 17 32 13.6 26 42 20 34

0.325 0.562 1.043 2.26 1.9 3 25 123 270 431 100 4.72 10 17 32 9.15 26 42 20 34

0.0339 0.562 1.043 0.989 1.9 3 25 562 270 431 100 0.879 10 17 32 45.6 26 42 20 34

0.562 1.043 1.9 3 25 41.9 270 431 100 10 17 32 26 42 20 34

0.0584 0.562 1.043 1.83 1.9 3 25 47.5 270 431 100 1.2 10 17 32 6.32 26 42 20 34

0.278 0.562 1.043 1.64 1.9 3 25 117 270 431 100 1.2 10 17 32 16 26 42 20 34

0.562 1.043 1.9 3 25 270 431 100 10 17 32 26 42 20 34

0.103 0.562 1.043 1.73 1.9 3 25 177 270 431 100 1.2 10 17 32 10.3 26 42 20 34

0.0465 0.562 1.043 1.2 1.9 3 25 42.6 270 431 100 1.2 10 17 32 10.6 26 42 20 34

0.247 0.562 1.043 2.24 1.9 3 25 10.7 270 431 100 1 10 17 32 5.71 26 42 20 34

3.69 0.493 0.653 19.5 2.89 3.66 25 52.3 248.42 322.92 100 1 3.33 4.3 32 6.1 16.78 21.04 20 34

0.019 0.493 0.653 5.89 2.89 3.66 25 16.8 248.42 322.92 100 1 3.33 4.3 32 2.6 16.78 21.04 20 34

8.41 0.451 0.596 22.4 2.343 2.954 25 13.8 84.822 109.819 100 1 2.765 3.499 32 3.69 16.016 19.925 20 34

0.288 0.451 0.596 1.89 2.343 2.954 25 114 84.822 109.819 100 1 2.765 3.499 32 4.11 16.016 19.925 20 34

0.188 0.451 0.596 1.86 2.343 2.954 25 38 84.822 109.819 100 1 2.765 3.499 32 3.79 16.016 19.925 20 34

0.118 0.451 0.596 1.63 2.343 2.954 25 47.6 84.822 109.819 100 1 2.765 3.499 32 3.23 16.016 19.925 20 34

3.24 0.451 0.596 16.6 2.343 2.954 25 85.6 84.822 109.819 100 1 2.765 3.499 32 3.74 16.016 19.925 20 34

0.208 0.451 0.596 1.64 2.343 2.954 25 97 84.822 109.819 100 1 2.765 3.499 32 4 16.016 19.925 20 34

5.87 0.476 0.626 18.8 2.981 3.721 25 52 78.877 99.821 100 1 2.86 3.668 32 3.41 14.735 18.716 20 34

5.39 0.476 0.626 16.2 2.981 3.721 25 111 78.877 99.821 100 1 2.86 3.668 32 5.26 14.735 18.716 20 34

Arsenic (µg/L)Iron (mg/L) Zinc (µg/L) Chromium (µg/L) Nickel (µg/L)

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ResultWarning


Warning

ValueAction Value

EQS AA

VlaueResult

Warning

ValueAction Value

EQS AA

Vlaue

EQS MAC

Value Result

Warning

ValueAction Value

EQS AA

ValueResult Licence Limit

110.6 5 3.881 7.2 14 0.2 0.07 0.06526 2

210 5 9.52 7.2 14 0.0245 0.07 1 2

78.8 13 5 16.4 7.2 14 0.02 0.07 0.482 2

200 8 5 12.7 7.2 14 0.02 0.07 0.107 2

78.2 8.41 5 3.81 7.2 14 0.01 0.07 1 2

173 208 304 5.53 18.6 25.8 5 2.32 47 209 7.2 14 0.01 0.33 0.5 0.07 1 2

64.1 208 304 33.4 18.6 25.8 5 38.2 47 209 7.2 14 0.0368 0.33 0.5 0.07 1.78 2

89.1 208 304 10.9 18.6 25.8 5 20.9 47 209 7.2 14 0.01 0.33 0.5 0.07 8.95 2

71.9 208 304 8.03 30 39 5 5.14 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

169 208 304 7.05 30 39 5 9.39 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

174 208 304 88.2 30 39 5 2.99 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1.14 2

208 304 11.5 30 39 5 11.8 15.6 7.2 14 0.0615 0.0796 0.07 2

278 208 304 7.17 30 39 5 3.15 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

354 208 304 45.8 30 39 5 19.9 11.8 15.6 7.2 14 0.022 0.0615 0.0796 0.07 1 2

208 304 30 39 5 18.8 11.8 15.6 7.2 14 0.0615 0.0796 0.07 2

73.8 208 304 22.3 30 39 5 13.6 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1.04 2

103 208 304 15 30 39 5 4.31 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

2.72 208 304 1.81 30 39 5 0.2 11.8 15.6 7.2 14 0.01 0.0615 0.0796 0.07 1 2

5.62 226.33 278.12 0.532 27.87 35.54 5 0.224 10 12.5 7.2 14 0.01 0.121 0.168 0.07 1 2

10 226.33 278.12 0.3 27.87 35.54 5 0.2 10 12.5 7.2 14 0.01 0.121 0.168 0.07 1 2

16 180.511 236.628 2.14 22.405 29.646 5 0.568 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 1 2

58.2 180.511 236.628 15.6 22.405 29.646 5 16.1 8.7 11.2 7.2 14 0.0101 0.09 0.125 0.07 1 2

54.4 180.511 236.628 6.18 22.405 29.646 5 4.52 8.7 11.2 7.2 14 0.0101 0.09 0.125 0.07 1 2

44.5 180.511 236.628 14.3 22.405 29.646 5 6.98 8.7 11.2 7.2 14 0.0104 0.09 0.125 0.07 1 2

30.4 180.511 236.628 3.88 22.405 29.646 5 1.92 8.7 11.2 7.2 14 0.01 0.09 0.125 0.07 1 2

14.8 180.511 236.628 7.74 22.405 29.646 5 3.66 8.7 11.2 7.2 14 0.0259 0.09 0.125 0.07 1 2

29.7 213.788 278.708 0.784 11.687 15.179 5 1.41 5.181 6.670 7.2 14 0.01 0.029 0.036 0.07 1 2

32.4 213.788 278.708 3.91 11.687 15.179 5 3.92 5.181 6.670 7.2 14 0.01 0.029 0.036 0.07 1 2

Mineral Oil (mg/L)Aluminium (µg/L) Copper (µg/L) Lead (µg/L) Mercury (µg/L)

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Storm Water (DX) Time Series Graphs

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Storm Water (E) Time Series Graphs

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APPENDIX 3

Appendix 3: Mitigation Measures

MITIGATION MEASURES

Jetting and Desludging of Interceptors and Drainage Network 2018:

12/01/2018 – DX

29/01/2018 – DX and E

07/02/2018 – DX

13/03/2018 – DX

19/04/2018 – DX and E

01/05/2018 – DX and E

10/05/2018– Significant desludging of both networks (all lines, drains, manholes)

04-05/07/2018 – DX

12/07/2018 – DX and E

16/08/2018 – DX and E

17/09/2018 – DX and E

25/10/2018 – DX and E

22/11/2018 – DX and E and Old DX and CX interceptors

18/12/2018 – DX and E and Old DX and CX interceptors

Various dates – Employees/operatives informed of issues relating to surface water to bring attention to

current issues and improve housekeeping, daily sweeping/cleaning

Various dates – Review of site processes as part of weekly performance assessments (conducted by

Compliance Team Leader) to identify any site concerns

April 2018 (various dates) - Covers placed on drains located nearby process areas

May 2018 - Location of DX sampling point moved from stagnant chamber to outlet pipe with flow

June 2018 – Dampening procedure for dust suppression gradually altered and new nozzle fitted on IBC’s to

prevent flooding of yards, number of IBC’s used reduced

01/06/2018 - Faster turnaround times requested from the laboratory

06/06/2018 Replacement of DX and E interceptor filters

12/06/2018 – Upstream/Downstream Monitoring report completed as part of incident investigation

20/06/2018 – Process area storage report completed as part of incident investigation

09/07/2018 - Purchasing of Ultra Drain Guards filters from supplier – x7 oil and sediment models (arrived) and

x2 heavy metal models (yet to arrive – 4 week turnaround time):

http://www.spillcontainment.com/products/drain-guards/

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http://www.spillcontainment.com/products/drain-guards-heavy-metal/

10/07/2018 - New drain cleaning checklist for all drains at facility implemented with supervisors made

responsible for its completion daily

11/07/2018 - New channel cleaning checklist for all channels at facility prepared for implementation

31/07/2018 – Taking of July samples with a secondary lab that specialises in contaminated water analysis (two

sets of results to be compared)

02/08/2018 - Response from service supplier stating that Ultra Drain Guard filters can be used at outlet pipes

30/07/2018 – 04/08/2018 - Trial of Ultra Drain Guard filter - oil and sediment model

September 2018 - Sediment and surface water sampling at outlets

31/10/2018 – Meeting with Malachi Cullen Engineers, Molloy Precast and liaison with SLR Consulting regarding

potential infrastructural changes to be made to the DX and E networks including installation of E silt trap,

recommissioning of old site interceptors (DX, CX) within DX network, potential re-guttering of E yard, potential

for rainwater diversion and final treatment options at DX.

31/10/2018 - Heavy metal filter removed at DX for October baseline sampling following meeting, new filter

refitted straight after.

22/11/2018 – Cleaning and desludging of the decommissioned DX (Class 1) and CX (Class 2) interceptors within the DX network to assist with surface water quality. Recommissioned DX and CX interceptors to be cleaned, desludged and regularly inspected on a monthly basis along with current DX and E interceptors.

27/12/2018 – E yard channels cleaned and desludged. Fitting of stainless steel bars into E yard channel to prevent material falling into drainage channel, only water can flow through.

January 2019 – Filter replaced.

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http://www.spillcontainment.com/products/drain-guards-heavy-metal/

EUROPEAN OFFICES AYLESBURY T: +44 (0)1844 337380 BELFAST T: +44 (0)28 9073 2493 BRADFORD-ON-AVON T: +44 (0)1225 309400 BRISTOL T: +44 (0)117 906 4280 CAMBRIDGE T: + 44 (0)1223 813805 CARDIFF T: +44 (0)29 2049 1010 CHELMSFORD T: +44 (0)1245 392170 DUBLIN T: + 353 (0)1 296 4667 EDINBURGH T: +44 (0)131 335 6830 EXETER T: + 44 (0)1392 490152 GLASGOW T: +44 (0)141 353 5037 GRENOBLE T: +33 (0)6 23 37 14 14

GUILDFORD T: +44 (0)1483 889800 LEEDS T: +44 (0)113 258 0650 LONDON T: +44 (0)203 805 6418 MAIDSTONE T: +44 (0)1622 609242 MANCHESTER T: +44 (0)161 872 7564 NEWCASTLE UPON TYNE T: +44 (0)191 261 1966 NOTTINGHAM T: +44 (0)115 964 7280 SHEFFIELD T: +44 (0)114 245 5153 SHREWSBURY T: +44 (0)1743 23 9250 STIRLING T: +44 (0)1786 239900 WORCESTER T: +44 (0)1905 751310

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