1

Session 3 – Particulates Session 3 – Particulates & Data Handling& Data Handling

Mercury Speciation WorkshopMercury Speciation Workshop

330 Nantucket Blvd. Toronto, Canada M1P 2P4330 Nantucket Blvd. Toronto, Canada M1P 2P4

Rev 1..10 Nov 2003

ekran Inc. ekran Inc.

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Issues in Session ThreeIssues in Session Three

11 How effective is the current inlet device?How effective is the current inlet device?

22 Are large particles the reason for differences Are large particles the reason for differences between total Hg by pyrolysis vs. total Hg between total Hg by pyrolysis vs. total Hg using the Model 1130/35/2537A? using the Model 1130/35/2537A?

33 Background (blank) correction schemesBackground (blank) correction schemes

44 What event flag conventions are being used?What event flag conventions are being used?

55 What are the prerequisites for more What are the prerequisites for more automated methods of RGM calculation?automated methods of RGM calculation?

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How effective is the current How effective is the current inlet device?inlet device?

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Does Impactor Pass RGM ?Does Impactor Pass RGM ?

Prestbo tests in 1998Prestbo tests in 1998

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Are there Large ParticlesAre there Large Particles in the in the ArcticArctic during MDEs during MDEs??

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Pyro vs Model 1130/35Pyro vs Model 1130/35

Two devices are measuring slightly Two devices are measuring slightly different things:different things:

Pyro measures Pyro measures totaltotal particulate loading particulate loading 1130/35 measures fine fraction particulates (1130/35 measures fine fraction particulates (< <

2.5 2.5 µµmm)) Difference could be legitimate coarse Difference could be legitimate coarse

particulate fractionparticulate fraction Could also be losses of RGM on inlet Could also be losses of RGM on inlet

surfacessurfaces Dirty impactor surfacesDirty impactor surfaces Insufficient heatingInsufficient heating

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Background CorrectionBackground Correction

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Speciation Data HandlingSpeciation Data Handling

All results are reported through the Model 2537A All results are reported through the Model 2537A serial portserial port

Event Flag field tells you what variable is being Event Flag field tells you what variable is being reportedreported

Internal Model 2537A scale factor allows direct Internal Model 2537A scale factor allows direct reading in reading in pg/mpg/m33 for RGM and HgP for RGM and HgP

CombineCombine program may be used to split of data for program may be used to split of data for different Hg fractions into separate columnsdifferent Hg fractions into separate columns

Excel is usually used to average, sum up, blank Excel is usually used to average, sum up, blank correct, and plot readings as requiredcorrect, and plot readings as required

End result is true simultaneous determination of End result is true simultaneous determination of HgHg00, , RGMRGM and and HgPHgP

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Desorption Cycle ResultsDesorption Cycle Results

Date Time Typ C Stat AdTim Vol Bl BlDev MaxV Area ng/m3 01-10-01 01:15:00 CONT A OK 0 300 6.25 0.108 .037 0.165 201903 5.56001-10-01 01:20:00 CONT B OKF 1 300 6.26 0.108 .024 0.112 13488 2.89201-10-01 01:25:00 CONT A NPF 1 300 6.25 0.108 .049 .000 0 .00001-10-01 01:30:00 CONT B OKF 1 300 6.25 0.108 .029 0.108 1438 0.30901-10-01 01:35:00 CONT A OKF 2 300 6.25 0.108 .029 0.109 5205 1.12001-10-01 01:40:00 CONT B OKF 2 300 6.25 0.108 .042 0.119 41463 8.91401-10-01 01:45:00 CONT A OKF 2 300 6.25 0.107 .040 0.109 5696 1.22601-10-01 01:50:00 CONT B OKF 2 300 6.25 0.108 .023 0.109 4865 1.04601-10-01 01:55:00 CONT A OKF 3 300 6.25 0.108 .021 0.144 126103 27.12401-10-01 02:00:00 CONT B OKF 3 300 6.25 0.108 .053 0.116 26556 5.70901-10-01 02:05:00 CONT A OKF 3 300 6.25 0.105 .082 0.108 9549 2.05401-10-01 02:10:00 CONT B OKF 1 300 6.25 0.105 .026 0.106 2561 0.55001-10-01 02:15:00 CONT A NPF 1 300 6.25 0.107 .037 .000 0 .00001-10-01 02:20:00 CONT B OK 0 300 6.23 0.108 .050 0.165 197747 5.455

Date Time Typ C Stat AdTim Vol Bl BlDev MaxV Area ng/m3 01-10-01 01:15:00 CONT A OK 0 300 6.25 0.108 .037 0.165 201903 5.56001-10-01 01:20:00 CONT B OKF 1 300 6.26 0.108 .024 0.112 13488 2.89201-10-01 01:25:00 CONT A NPF 1 300 6.25 0.108 .049 .000 0 .00001-10-01 01:30:00 CONT B OKF 1 300 6.25 0.108 .029 0.108 1438 0.30901-10-01 01:35:00 CONT A OKF 2 300 6.25 0.108 .029 0.109 5205 1.12001-10-01 01:40:00 CONT B OKF 2 300 6.25 0.108 .042 0.119 41463 8.91401-10-01 01:45:00 CONT A OKF 2 300 6.25 0.107 .040 0.109 5696 1.22601-10-01 01:50:00 CONT B OKF 2 300 6.25 0.108 .023 0.109 4865 1.04601-10-01 01:55:00 CONT A OKF 3 300 6.25 0.108 .021 0.144 126103 27.12401-10-01 02:00:00 CONT B OKF 3 300 6.25 0.108 .053 0.116 26556 5.70901-10-01 02:05:00 CONT A OKF 3 300 6.25 0.105 .082 0.108 9549 2.05401-10-01 02:10:00 CONT B OKF 1 300 6.25 0.105 .026 0.106 2561 0.55001-10-01 02:15:00 CONT A NPF 1 300 6.25 0.107 .037 .000 0 .00001-10-01 02:20:00 CONT B OK 0 300 6.23 0.108 .050 0.165 197747 5.455

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Input File: D:\TEKRAN\TRAINING\1135.DATOutput File: D:\TEKRAN\TRAINING\1135.colNumber of columns= 4 Column 1 Field: ng/m3 Cart: AB Status: 0 Column 2 Field: ng/m3 Cart: AB Status: 1 Column 3 Field: ng/m3 Cart: AB Status: 2 Column 4 Field: ng/m3 Cart: AB Status: 3 Date Time Typ C Stat AdTim Vol Bl BlDev MaxV Area ng/m3 Column1 Column2 Column3 Column401-10-01 00:55:01 CONT A OK 0 300 6.25 0.107 .036 0.165 203582 5.606 5.606 01-10-01 01:00:01 CONT B OK 0 300 6.25 0.107 .053 0.166 204356 5.622 5.622 01-10-01 01:05:01 CONT A OK 0 300 6.25 0.107 .041 0.165 200855 5.530 5.530 01-10-01 01:10:01 CONT B OK 0 300 6.25 0.107 .044 0.166 202105 5.561 5.561 01-10-01 01:15:01 CONT A OK 0 300 6.25 0.108 .037 0.165 201903 5.560 5.560 01-10-01 01:20:01 CONT B OKF 1 300 6.26 0.108 .024 0.112 13488 2.892 2.892 01-10-01 01:25:01 CONT A NPF 1 300 6.25 0.108 .049 .000 0 .000 .000 01-10-01 01:30:01 CONT B OKF 1 300 6.25 0.108 .029 0.108 1438 0.309 0.309 01-10-01 01:35:01 CONT A OKF 2 300 6.25 0.108 .029 0.109 5205 1.120 1.120 01-10-01 01:40:01 CONT B OKF 2 300 6.25 0.108 .042 0.119 41463 8.914 8.914 01-10-01 01:45:01 CONT A OKF 2 300 6.25 0.107 .040 0.109 5696 1.226 1.226 01-10-01 01:50:01 CONT B OKF 2 300 6.25 0.108 .023 0.109 4865 1.046 1.046 01-10-01 01:55:01 CONT A OKF 3 300 6.25 0.108 .021 0.144 126103 27.124 27.12401-10-01 02:00:01 CONT B OKF 3 300 6.25 0.108 .053 0.116 26556 5.709 5.70901-10-01 02:05:01 CONT A OKF 3 300 6.25 0.105 .082 0.108 9549 2.054 2.05401-10-01 02:10:01 CONT B OKF 1 300 6.25 0.105 .026 0.106 2561 0.550 0.550 01-10-01 02:15:01 CONT A NPF 1 300 6.25 0.107 .037 .000 0 .000 .000 01-10-01 02:20:01 CONT B OK 0 300 6.23 0.108 .050 0.165 197747 5.455 5.455 01-10-01 02:25:01 CONT A OK 0 300 6.25 0.108 .025 0.165 198108 5.456 5.456 01-10-01 02:30:01 CONT B OK 0 300 6.25 0.108 .047 0.165 199661 5.493 5.493 01-10-01 02:35:01 CONT A OK 0 300 6.25 0.108 .032 0.164 198080 5.455 5.455 01-10-01 02:40:01 CONT B OK 0 300 6.25 0.108 .063 0.165 197029 5.419 5.419 01-10-01 02:45:01 CONT A OK 0 300 6.25 0.108 .043 0.164 194434 5.355 5.355 01-10-01 02:50:01 CONT B OK 0 300 6.25 0.108 .032 0.164 196977 5.419 5.419 01-10-01 02:55:01 CONT A OK 0 300 6.25 0.108 .024 0.164 195478 5.384 5.384 01-10-01 03:00:01 CONT B OK 0 300 6.25 0.108 .052 0.165 198595 5.464 5.464 01-10-01 03:05:01 CONT A OK 0 300 6.25 0.108 .041 0.163 193697 5.335 5.335 01-10-01 03:10:01 CONT B OK 0 300 6.25 0.108 .064 0.164 194459 5.350 5.350 01-10-01 03:15:01 CONT A OK 0 300 6.25 0.108 .037 0.164 194536 5.357 5.357

Input File: D:\TEKRAN\TRAINING\1135.DATOutput File: D:\TEKRAN\TRAINING\1135.colNumber of columns= 4 Column 1 Field: ng/m3 Cart: AB Status: 0 Column 2 Field: ng/m3 Cart: AB Status: 1 Column 3 Field: ng/m3 Cart: AB Status: 2 Column 4 Field: ng/m3 Cart: AB Status: 3 Date Time Typ C Stat AdTim Vol Bl BlDev MaxV Area ng/m3 Column1 Column2 Column3 Column401-10-01 00:55:01 CONT A OK 0 300 6.25 0.107 .036 0.165 203582 5.606 5.606 01-10-01 01:00:01 CONT B OK 0 300 6.25 0.107 .053 0.166 204356 5.622 5.622 01-10-01 01:05:01 CONT A OK 0 300 6.25 0.107 .041 0.165 200855 5.530 5.530 01-10-01 01:10:01 CONT B OK 0 300 6.25 0.107 .044 0.166 202105 5.561 5.561 01-10-01 01:15:01 CONT A OK 0 300 6.25 0.108 .037 0.165 201903 5.560 5.560 01-10-01 01:20:01 CONT B OKF 1 300 6.26 0.108 .024 0.112 13488 2.892 2.892 01-10-01 01:25:01 CONT A NPF 1 300 6.25 0.108 .049 .000 0 .000 .000 01-10-01 01:30:01 CONT B OKF 1 300 6.25 0.108 .029 0.108 1438 0.309 0.309 01-10-01 01:35:01 CONT A OKF 2 300 6.25 0.108 .029 0.109 5205 1.120 1.120 01-10-01 01:40:01 CONT B OKF 2 300 6.25 0.108 .042 0.119 41463 8.914 8.914 01-10-01 01:45:01 CONT A OKF 2 300 6.25 0.107 .040 0.109 5696 1.226 1.226 01-10-01 01:50:01 CONT B OKF 2 300 6.25 0.108 .023 0.109 4865 1.046 1.046 01-10-01 01:55:01 CONT A OKF 3 300 6.25 0.108 .021 0.144 126103 27.124 27.12401-10-01 02:00:01 CONT B OKF 3 300 6.25 0.108 .053 0.116 26556 5.709 5.70901-10-01 02:05:01 CONT A OKF 3 300 6.25 0.105 .082 0.108 9549 2.054 2.05401-10-01 02:10:01 CONT B OKF 1 300 6.25 0.105 .026 0.106 2561 0.550 0.550 01-10-01 02:15:01 CONT A NPF 1 300 6.25 0.107 .037 .000 0 .000 .000 01-10-01 02:20:01 CONT B OK 0 300 6.23 0.108 .050 0.165 197747 5.455 5.455 01-10-01 02:25:01 CONT A OK 0 300 6.25 0.108 .025 0.165 198108 5.456 5.456 01-10-01 02:30:01 CONT B OK 0 300 6.25 0.108 .047 0.165 199661 5.493 5.493 01-10-01 02:35:01 CONT A OK 0 300 6.25 0.108 .032 0.164 198080 5.455 5.455 01-10-01 02:40:01 CONT B OK 0 300 6.25 0.108 .063 0.165 197029 5.419 5.419 01-10-01 02:45:01 CONT A OK 0 300 6.25 0.108 .043 0.164 194434 5.355 5.355 01-10-01 02:50:01 CONT B OK 0 300 6.25 0.108 .032 0.164 196977 5.419 5.419 01-10-01 02:55:01 CONT A OK 0 300 6.25 0.108 .024 0.164 195478 5.384 5.384 01-10-01 03:00:01 CONT B OK 0 300 6.25 0.108 .052 0.165 198595 5.464 5.464 01-10-01 03:05:01 CONT A OK 0 300 6.25 0.108 .041 0.163 193697 5.335 5.335 01-10-01 03:10:01 CONT B OK 0 300 6.25 0.108 .064 0.164 194459 5.350 5.350 01-10-01 03:15:01 CONT A OK 0 300 6.25 0.108 .037 0.164 194536 5.357 5.357

Combine Output FormatCombine Output Format

Hg0 Blank HgP RGM

ng/m3 pg/m3 pg/m3 pg/m3

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Blank CorrectionBlank Correction

Implicit assumption in all schemes:Implicit assumption in all schemes: Background mercury elutes continuously Background mercury elutes continuously

during the entire desorption processduring the entire desorption process Subtract this background emission rate Subtract this background emission rate

from from eacheach desorb value desorb value

How to best determine this How to best determine this background value ?background value ?

Average of “before & after” blanksAverage of “before & after” blanks Which readings to ignore?Which readings to ignore?

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Event Flag ConventionsEvent Flag Conventions

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Tekran Standard Flag AssignmentsTekran Standard Flag Assignments

FlagFlag FunctionFunction

00 SampleSample

11 Initial ZeroInitial Zero

22 Pyro Pre-heatPyro Pre-heat

22 RPF DesorbRPF Desorb

33 RGM HeatRGM Heat

11 Post Cool DownPost Cool Down

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Alternate Flag AssignmentsAlternate Flag Assignments

FlagFlag FunctionFunction

00 SampleSample

11 Initial ZeroInitial Zero

22 Pyro Pre-heatPyro Pre-heat

33 RPF DesorbRPF Desorb

44 RGM HeatRGM Heat

55 Post Cool DownPost Cool Down

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Advantages of Tekran SchemeAdvantages of Tekran Scheme

Reserves the 3Reserves the 3rdrd event bit event bit Flag values of 4-7 are available for Flag values of 4-7 are available for

future usefuture use Allows preservation of 1130/35 status Allows preservation of 1130/35 status

along with one independent event (eg: along with one independent event (eg: std addition)std addition)

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Advantages of Alternate SchemeAdvantages of Alternate Scheme

Provides more complete and Provides more complete and unambiguous indication of what is unambiguous indication of what is going ongoing on

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Automated Data ReductionAutomated Data Reduction

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What do we need first ?What do we need first ?

Consensus of how to calculate RGM Consensus of how to calculate RGM & HgP& HgP

Background correctionBackground correction Flag standardizationFlag standardization

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End of Session 3End of Session 3