Attachment 3: Monitoring Results of Guanacaste Geothermal
Monitoring PlanConstruction periodEnvironm
ental item
Item
to be
monit
ored
Monitoring
site
Frequ
ency
Method Party in
charge
Evidence
H2S Rincón de
la Vieja
Hotel and 4
sites
(north,
south, east
and west)
on the well
base
boundary
During
production
testing
period
(weeks-one
month):
every three
month
(quarterly)
Field
measur
ement
ICE
Min
CO2
(ppm)
Avg.
CO2
(ppm)
Max
CO2
(ppm)
Std. CO2
(ppm)
Min H2S
(ppm)
Avg. H2S2
(ppm)
Max H2S
(ppm)Std. H2S
(ppm)
CAMPO GEOTERMICO PAILAS
PLP-03
12/07/2019 362 36
2
362 500
0
0.001 0.00
1
0.001 0.014
26/07/2019 322 32
2
322 500
0
0.002 0.00
2
0.002 0.014
09/08/2019 347 34
7
347 500
0
0.000 0.00
0
0.000 0.014
23/08/2019 333 33
3
333 500
0
0.000 0.00
0
0.000 0.014
20/09/2019 342 34
2
342 500
0
0.000 0.00
0
0.000 0.014
06/09/2019 325 32 325 500 0.000 0.00 0.000 0.014
1
Attachment 3: Monitoring Results of Guanacaste Geothermal
5 0 0
PLP-15
12/07/2019 359 35
9
359 500
0
0.006 0.00
6
0.006 0.014
26/07/2019 334 33
4
334 500
0
0.002 0.00
2
0.002 0.014
09/08/2019 322 32
2
322 500
0
0.000 0.00
0
0.000 0.014
23/08/2019 326 32
6
326 500
0
0.000 0.00
0
0.000 0.014
20/09/2019 342 34
2
342 500
0
0.000 0.00
0
0.000 0.014
06/09/2019 314 31
4
314 500
0
0.001 0.00
1
0.001 0.014
PLP-05
12/07/2019 372 37
2
372 500
0
0.001 0.00
1
0.001 0.014
26/07/2019 368 36
8
368 500
0
0.001 0.00
1
0.001 0.014
09/08/2019 332 33
2
332 500
0
0.000 0.00
0
0.000 0.014
23/08/2019 318 31
8
318 500
0
0.000 0.00
0
0.000 0.014
20/09/2019 387 38 387 500 0.000 0.00 0.000 0.014
2
Attachment 3: Monitoring Results of Guanacaste Geothermal
20/09/2019 350 35
0
350 500
0
0.000 0.00
0
0.000 0.014
06/09/2019 307 30
7
307 500
0
0.000 0.00
0
0.000 0.014
HOTEL RINCÓN DE LA VIEJA LODGE
12/07/2019 361 36
1
361 500
0
0.004 0.00
4
0.004 0.014
26/07/2019 336 33
6
336 500
0
0.006 0.00
6
0.006 0.014
09/08/2019 336 33
6
336 500
0
0.000 0.00
0
0.000 0.014
23/08/2019 339 33
9
339 500
0
0.000 0.00
0
0.000 0.014
20/09/2019 317 31
7
317 500
0
0.000 0.00
0
0.000 0.014
06/09/2019 331 33
1
331 500
0
0.000 0.00
0
0.000 0.014
Noise
Noise level Ricón de la
Vieja
Hotel, one
site on the
well base
During
production
testing
period
(weeks-one
Field
measur
ement
ICE
Min Noise (dB) Avg. Noise (dB) Max Noise (dB) Std. Noise (dB)
CAMPO GEOTERMICO PAILAS
PLP-03
12/07/2019 48 48 48 65
3
Attachment 3: Monitoring Results of Guanacaste Geothermal
boundary
(in the
hotel
direction),
and 4 sites
(north,
south, east
and west)
in the
vicinity of
the power
plant site.
month):
once/week
During
power
plant
constructio
n: monthly
(with peak
time for
each
constructio
n job taken
into
account)
26/07/2019 51 51 51 65
09/08/2019 40 40 40 65
23/08/2019 39 39 39 65
20/09/2019 40 40 40 65
06/09/2019 42 42 42 65
PLP-15
12/07/2019 42 42 42 65
26/07/2019 49 49 49 65
09/08/2019 41 41 41 65
23/08/2019 43 43 43 65
20/09/2019 48 48 48 65
06/09/2019 47 47 47 65
PLP-05
12/07/2019 45 45 45 65
26/07/2019 44 44 44 65
09/08/2019 38 38 38 65
23/08/2019 39 39 39 65
20/09/2019 39 39 39 65
06/09/2019 36 36 36 65
PLP-12
12/07/2019 56 56 56 65
26/07/2019 44 44 44 65
09/08/2019 44 44 44 65
4
Attachment 3: Monitoring Results of Guanacaste Geothermal
23/08/2019 43 43 43 65
20/09/2019 60 60 60 65
06/09/2019 52 52 52 65
PLP-13
12/07/2019 52 52 52 65
26/07/2019 49 49 49 65
09/08/2019 42 42 42 65
23/08/2019 43 43 43 65
20/09/2019 54 54 54 65
06/09/2019 75 75 75 65
HOTEL RINCÓN DE LA VIEJA LODGE
12/07/2019 46 46 46 65
26/07/2019 47 47 47 65
09/08/2019 43 43 43 65
23/08/2019 43 43 43 65
20/09/2019 42 42 42 65
06/09/2019 42 42 42 65
5
Attachment 3: Monitoring Results of Guanacaste Geothermal
water
quality
1) pH,
Electri
c
conduc
tivity
(EC),
Turbidi
ty
(TUR
B),
Suspen
ded
solids
(SS),
Oils
and
grease,
BOD,
and
COD
2) Arseni
c (As),
Upper and
lower
streams of
the Colorado
and Negro
Rivers, and
upper and
lower
streams of
the creek
running near
GPG2
1) Duri
ng
prod
uctio
n
testin
g
perio
d:
twice
/testi
ng
perio
d
(wee
ks-
one
mont
h)
2) Duri
ng
Field
measurement
and laboratory
analysis of
collected
samples
ICE and
constructi
on
contractor
(effluents
from
temporary
settling
basin)
DescripciónSite Min Max Avg Min Max Avg Min Max Avg
ASP-01: RIO COLORADO ARRIBA ASP-01 3.85 7.87 4.97 55.00 189.00 107.09 1.60 9.06 3.61ASP-05: RIO BLANCO CATARATA ASP-05 3.48 6.14 4.30 75.30 305.00 200.49 1.90 18.00 7.17ASP-06: RIO BLANCO ABAJO ASP-06 3.22 7.69 4.25 74.20 462.00 233.72 2.00 46.40 8.64ASP-07: QUEBRADA VICTORIA - TOMA ASP-07 4.03 8.74 5.27 100.00 332.00 245.49 2.60 22.00 11.84ASP-09: QUEBRADA ZANJA TAPADA ASP-09 4.13 8.03 6.89 137.00 372.00 202.00 5.60 16.20 10.79ASP-16: QUEBRADA JARAMILLO ASP-16 5.25 8.30 7.42 87.70 407.10 112.52 1.80 8.50 3.64ASP-18: COLORADO ASP-18 4.28 8.31 7.24 63.30 211.80 124.05 1.60 12.50 4.23ASP-19: QUEBRADA VICTORIA (NACIENTE) ASP-19 4.73 6.85 5.94 168.80 309.00 219.92 6.03 124.00 13.21ASP-20: QUEBRADA VICTORIA AUC ASP-20 4.43 7.96 5.22 193.80 314.90 1.55 2.60 16.50 11.53
pH Conductivity (µS/cm) Chlorides (ppm)
Eviromental Water Quality - Las Pailas Geothermal Field
Site Dissolved oxygen (mg/L) BOD (mg/L) COD (mg/L) S.S (mg/L) Oils and grease (mg/L) Cr +6 (mg/L) Hg (mg/L)ASP-48: RIO BLANCO 7.46 0.65 16.13 4.25 3.17 nd ndASP-49: RIO COLORADO 7.53 4.15 28.27 7.39 2.40 nd ndASP-50: RIO NEGRO 7.63 2.07 21.19 5.50 3.00 nd ndASP-51: QUEBRADA VICTORIA 7.86 0.31 15.57 6.38 5.00 0.07 ndASP-52: QUEBRADA YUGO 7.36 0.60 17.85 15.00 4.63 nd ndASP-53: RIO POCHOTE 7.99 0.74 18.18 11.25 6.50 nd nd
Environmental Water Quality - Las Pailas - Geothermal Field
Construction period
The BMWP-CR is an index obtained from summing punctuation assign to different
macroinvertabrates`s families base on the sensitivity to pollution.
The punctuation is assigned just once for every single family, independently of the amount of
6
Attachment 3: Monitoring Results of Guanacaste Geothermal
Hexav
alent
chrom
e
(Cr+6),
and
Mercur
y (Hg)
powe
r
plant
const
ructi
on:
mont
hly
/cons
tructi
on
perio
d
individuals or genus encountered. The sum of punctuation of all families in the study area offers
a final value of index.
Table 1. Water quality level according to BMWP-CR`s value.
Level BMWP-CR COLOR
Excellent water quality >120
Good water quality, not polluted nor altered in other sensitive way 101-120
Regular water quality, eutrophy, moderate polluted 61-100
Bad water quality, polluted. 36-60
Bad water quality, very polluted. 16-35
Very bad water quality, extremely polluted. <15
7
Attachment 3: Monitoring Results of Guanacaste Geothermal
pH, EC,
TURB, SS,
Oils and
grease,
BOD and
COD
Upper and
lower
streams of
the Colorado
and Negro
Rivers, upper
and lower
streams of
the creek
running near
GPG2, and
outlet of the
settling basin
(construction
work
effluents)
Monthly
Values obtained and level of ambient water quality according to the BMWP-CR. III
Quarter, 2019.
8
Attachment 3: Monitoring Results of Guanacaste Geothermal
Table 2. Punctuation assigned base on netherland system for valoration of physico-
chemical analyses of water quality for body receptors.
Points PSO (%)
DBO
(mg/L)
N-NH
(mg/L) Sum Water quality Color
1 110 - 100 y 90 - 100 ≤ 3 < 0.50 3 No Pollution
2 111 - 120 y 71 - 90 3.1 - 6.0
0.50 -
1.0 4.0 - 6.0 Incipient Pollution
3 121 - 130 y 51 - 70 6.1 - 9.0
1.1 -
2.0 7.0 - 9.0 Moderate Pollution
4 31 - 50 9.1 - 15
2.1 -
5.0 10.0 - 12 .0 Severe Pollution
5 ≤ 30 y > 130 > 15 > 5 13.0 - 15 Very severe Pollution
Values obtained and level of water quality according to physico-chemical analysis. III
Quarter, 2019.
9
Attachment 3: Monitoring Results of Guanacaste Geothermal
Soil
Cadmium
(Cd), Lead
(Pb), As,
Cr+6, Hg,
etc.
One site in
the vicinity
of a
representativ
e well
One year
before
constructi
on starts,
and once
five years
after
operation
starts
Laboratory
analysis of
collected
samples
ICE
Information reported in previous dates
10
Attachment 3: Monitoring Results of Guanacaste Geothermal
Four points
in the
vicinity of
the power
plant site
One year
before
constructi
on starts,
and once
five years
after
operation
starts
Fauna
and flora
Plants and
animals
Area in the
vicinity of
Monthly
(with
Visual
observation
ICE Wild animals monitoring. III Quarter, 2019.
11
Attachment 3: Monitoring Results of Guanacaste Geothermal
(birds,
amphibians
, reptiles,
and
mammals)
wells and
power plant
site, the
project site
side of the
national
park, and
gallery forest
along the
Colorado
River
rainy and
dry
seasons,
breeding
seasons,
etc. taken
into
account)
records and
photographs
12
Attachment 3: Monitoring Results of Guanacaste Geothermal
Results of monitoring, III Quarter 2019.
Amphibian
Species III Quarter 2019 EsIA
Lithobates warszewitschii
13
Attachment 3: Monitoring Results of Guanacaste Geothermal
Reptiles
Species III Quarter 2019 EsIA
Corytophanes cristatus
Norops biporcatus √
Norops capito
Norops cupreus √
Norops oxylophus √
Mammals (Visual, Mist nets and Camera trap)
Species III Quarter
2019EsIA
Ateles geoffroyi √
Cebus imitator √
Dasyprocta punctata √
Sylvilagus floridanus √
Caluromys derbianus
14
Attachment 3: Monitoring Results of Guanacaste Geothermal
Sciurus deppei √
Artibeus aztecus
Artibeus jamaicensis
Carollia perspicillata
Carollia subrufa
Canis latrans
Cuniculus paca √
Dasypus novemcinctus
Didelphis marsupialis
Nasua narica √
Leopardus pardalis
Odocoileus virginianus √
Puma concolor √
Birds
Species III Quarter 2019 EsIA
Basileuterus rufifrons √
Buteo plagiatus
Calocitta formosa √
Chiroxiphia linearis √
15
Attachment 3: Monitoring Results of Guanacaste Geothermal
Coragyps atratus
Crax rubra √
Cyanerpes cyaneus √
Hylophilus decurtatus √
Megarynchus pitangua
Microcerculus philomela
Mionectes oleagineus
Peucaea ruficauda √
Pseudastur albicollis
Selenidera spectabilis
Trogon elegans √
State of conservation of species:
16
Attachment 3: Monitoring Results of Guanacaste Geothermal
Waste* Generated
amount
Power plant
construction
site
Monthly Total of
generated
amount
(weight or
volume)
Construct
ion
contractor Type of Waste Quantity (kg)Aluminum 688Fiberglass 890Coprocesable Plastic 722Tires 3232Cable 3515Paper / Cardboard 1975Coprocessable Cardboard 678Waste 2032Personal Protection Equipment 2213Others 1646Wood 11094Electronic 2302.5Furniture 1000Organic 18124Scrap 26658Total 76769.5
The amount of waste generated in the Project´s activities during the III Quarter of 2019 was 76769.5 kg.
17
Attachment 3: Monitoring Results of Guanacaste Geothermal
18
Attachment 3: Monitoring Results of Guanacaste Geothermal
*Appropriate waste management including disposal of sludge will be implemented in accordance with Law for the Integrated Management of Residues (Law 8839), and in reference to Resolution No. 1948-2008-SETENA17 (page26).
Operation period
19
Attachment 3: Monitoring Results of Guanacaste Geothermal
Environmental item Item to be monitored Monitoring site Frequency Method Party in charge
Air quality H2S. Rincón de la Vieja Hotel, Guachielin Hotel, national park entrances, and 4 sites (north, south, east and west) around the power plant.
4 times/year. Field measurement. ICE.
Noise Noise level. Rincón de la Vieja Hotel, national park entrances, and 4 sites (north, south, east and west) on the power plant site boundary.
4 times/year including the following scenarios:Scenario 1: plant operation, constant noise level is expected.Scenario 2: Plant events (pipe clean up) and unexpected contingency events.
Field measurement. ICE.
20
Attachment 3: Monitoring Results of Guanacaste Geothermal
Environmental item Item to be monitored Monitoring site Frequency Method Party in charge
Water quality1) pH, EC, TURB, SS,
Oils and grease, BOD and COD.
2) As, Cr+6 and Hg.
Upper and lower streams of the Colorado and Negro Rivers, and upper and lower streams of the creek running near GPG2.
Items in 1) only at outlets of the septic tanks and oil separator tanks.
4 times/year. Field measurement and laboratory analysis of collected samples.
ICE.
21
Attachment 3: Monitoring Results of Guanacaste Geothermal
Environmental item Item to be monitored Monitoring site Frequency Method Party in charge
Fauna and flora Plants and animals (birds, amphibians, reptiles, and mammals)
Baseline survey sites, the vicinity of wells, and the project site side of the national park
For vegetation and plantation, once a year for a period of 10 years. For fauna and flora, once/year (with consideration given to breeding seasons, etc. After 3 years, the continuation of monitoring will be reconsidered based on opinions of biological experts.)
Visual observation records and photographs
ICE
Waste* Generated amount Power plant Monthly Total of generated amount (weight or volume).
ICE.
*Appropriate waste management including disposal of sludge will be implemented in accordance with Law for the Integrated Management of Residues (Law 8839), and in reference to Resolution No. 1948-2008-SETENA17 (page26).
22