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DGYS###2015
DRAFT GUYANA STANDARD
Requirements for
Industrial effluent discharge into the environment
GUYANA NATIONAL BUREAU OF STANDARDS
COMMENTS PERIOD: June 01-July 31, 2015
DGYS###2015
PUBLISHED BY THE GUYANA NATIONAL BUREAU OF STANDARDS,
FLAT 15, SOPHIA EXHIBITION COMPLEX,
GEORGETOWN, GUYANA.
COPYRIGHT © GUYANA NATIONAL BUREAU OF STANDARDS, 2015.
ALL RIGHTS RESERVED. NO PART OF THIS PUBLICATION
MAY BE REPRODUCED IN ANY FORM, IN AN ELECTRONIC
RETRIEVAL SYSTEM OR OTHERWISE; WITHOUT THE PRIOR
PERMISSION OF THE PUBLISHER.
DGYS###2015
Contents
Page
Foreword ii
Members of the Technical committee- Environment iii
Standard
1. Scope 1
2. Definitions 1
3. Guideline value for industrial effluent discharge into the environment 2
4. Sampling methods 5
5. Methods of test 5
6. Monitoring programme 6
7. Conflict 7
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Foreword
This Guyana Standard was revised by the Guyana National Bureau of Standards in 2015, after the
draft was finalised by the Technical Committee-Environment. This is a revision of the GYS 207:
2002 – ‘Interim Guidelines for Industrial effluent discharge into the environment’.
In the revision of this standard data was referenced from the Cartagena Convention, the US EPA,
Canada EPA, the FAO, Trinidad and Tobago, and Jamaica.
This standard was developed to aid the monitoring of effluents into freshwater, estuarine and marine
water resources.
This standard is compulsory.
i
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Members of the Technical Committee - Environment
Name Affiliation Mr. Colis Primo (Chairperson) Ministry of Natural Resources and Environment
Mr. Emmet Alves Linden Mining Company
Ms. Camille Adams Environmental Protection Agency
Mr. Nandkumar Persaud Banks DIH Limited
Mr. Ganpat Jafer Guyana Sugar Corporation
Ms. Stacey Phillips Guyana Power and Light
Ms. Najuma Nelson Demerara Distillers Limited
Ms. Shabana Yusuf KAIZEN Environmental Services
Mr. Steve Chichester Environmental Health Unit
Ms. Denise Simmons School of Earth and Environment, UG
Mr. Marlon Daniels Wastewater Unit, Ministry of Housing and Water
Ms. Lydia Greene Ministry of Labour
Mr. Elton Patram (Technical Secretary) Guyana National Bureau of Standards
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iii
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Requirements
for
Industrial effluent discharge into the environment
1 Scope
This standard sets out the parameters which will be used to monitor the effluent quality
for all industries operating in Guyana.
This standard is pursuant to the Environmental Protection Act (1996) and all Regulations
thereunder.
2 Definitions
For the purpose of this standard, the following definitions shall apply:
2.1 biological oxygen demand (BOD5): The mass concentration of dissolved oxygen consumed
during a five day period by the biological oxidation of organic and/or inorganic matter in
effluent.
2.2 chemical oxygen demand (COD): The measure of the oxygen equivalent of the organic
and/or inorganic matter content of a sample of effluent, that is susceptible to oxidation by a
strong chemical oxidant under defined conditions.
2.3 effluent: Any liquid including particles of matter and other substances in suspension in the
liquid; and “trade effluent” includes any effluent which is discharged from premises used for
carrying on any trade or industry; and for the purposes of this definition premises wholly or
mainly used (whether for profit or not) for agricultural purposes or for scientific research or
experiment shall be deemed to be premises used for carrying on a trade or industry.
2.4 environment: All land, area beneath the land surface, atmosphere, surface water, ground
water, sea, marine and coastal areas, seabed, wetland and natural resources within Guyana’s
borders.
2.5 estuary: Area from the Territorial Sea Baseline (TSB) to the end of tidal influence inland
of rivers, creek, or streams.
2.6 exclusive economic zone(EEZ): a coastal State’s jurisdiction over the exploration of
marine resources in its adjacent section of the continental shelf, taken to be a band
extending 200 miles from the shore.
2.7 freshwater: includes any reservoir, pond, lake, canal, drain, spring well, natural or
artificial surface or subsurface water and any stream, creek, or river from the headwaters
to the area of tidal influence.
2.8 industrial: : means of or pertaining to the manufacture, processing, handling, transport,
importation, storage or disposal of materials (including the extraction and conversion of
mineral resources, raw materials, materials in the process of manufacture, manufactured
materials, by-products and any waste or waste materials whether hazardous or not). See
Appendix 1.
2.9 industrial effluent: Effluent predominantly derived from industrial sources or processes.
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2.10 marine: Area between the Territorial Sea Baseline (TSB) and the Exclusive Economic
Zone (EEZ)
2.11 parameters: A measurable property, constituent, or characteristic used to identify an
effluent or its composition.
2.12 point source pollution: Pollution arising from an identifiable discrete source or point of
discharge.
2.13 pollution: Pollution of the environment by the release into the natural environment of any
contaminant.
2.14 sampling: The process of removing a portion, intended to be representative, of a body of
effluent for the purpose of examination of various defined parameters, as well as associated
collection, preservation and storage.
2.15 territorial sea baseline: belt of coastal waters extending at most 12 nautical miles
(22.2 km; 13.8 mi) from the baseline (usually the mean low-water mark) of a
coastal state.
2.16 total suspended solids (TSS): The dry weight that is removed from a measured volume of
water sample by filtration through a standard filter.
3 Values for industrial discharge into the environment
3.1 Effluent discharge from industrial processes into the environment shall comply with all the
limits established by this standard, including the permissible limits for key parameters where
applicable as specified in Appendix 2.
3.2 Non dilution of effluent: The limits established in this standard shall not be achieved by
dilution of the effluent with non-process water with exception of the parameter of
temperature.
4 Sampling methods
4.1 For the determination of the computed values of all of the parameters specified in this
standard, representative samples of the effluent from industrial process discharged into the
environment shall be obtained according to methods prescribed in the relevant ISO Standards
or a Standard approved by the Environmental Agency.
5 Methods of test
5.1 For the purpose of determining compliance with the requirements and permissible limits for
all the parameters in this standard, the effluent from industrial process discharge into the
environment shall be examined in accordance with methods prescribed in the relevant ISO
Standard or a Standard approved by the Environmental Protection Agency.
5.2 Where the industry is using a method(s) for the examination of effluent that is different to
that specified in the standard, the methods for examination shall be approved by the
enforcing authority before use.
5.3 Testing laboratories shall be certified or approved by the Guyana National Bureau of
Standards for confidence and acceptance of results, as they relate to the parameters outlined
DGYS###2015
in this standard.
6 Monitoring programme
6.1 The Environmental Protection Agency shall maintain the right to change effluent monitoring
of any operation based on the physical, chemical, or biological methods or processes
employed by the operation and the potential impact on the environment. Changes may take
the form of, but are not limited to, the number and types of parameters and or additional
sample points.
The Environmental Protection Agency shall specify requirements for the design of the
monitoring programme by which compliance with this standard shall be assessed.
In specifying the design of the effluent monitoring programme of an industrial facility, the
Environmental Protection Agency will select the applicable parameters from this standard
depending on the particular sources, processes effluent and other waste of the respective
facility. (See Appendix 3)
The Environmental Protection Agency can also select other relevant parameters as it sees fit,
and may vary the specified limits and/or prescribed additional requirements for the quality of
the effluent discharged from that particular facility into the environment.
7 Conflict
7.1 Where there appears to be conflict between the requirements of this standard, the
Environmental Protection Act and associated Regulations shall take precedence.
7.2 Where there appears to be conflict between the requirements of this Guyana standard and the
requirements of any other standards, guidelines or Codes of practice which prescribes
requirements for specifically defined situations, or for specific industrial processes, this
standard shall take precedence.
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Appendix 1
Sectors
No. SECTOR COMMENTS
1 Aquaculture
2 Beverages
3 Breweries
4 Cement
5 Chemicals - General Processes, operations, or organization engaged in the manufacture of chemicals and their derivatives. It includes, but not limited to, paint and fertilisers.
6 Construction and Infrastructure Includes paving and roofing materials
7 Crop Farms
8 Dairy Processing Includes all dairy products
9 Distillery
10 Edible Oils and Fats
11 Food Processing (other)
12 Food Services and Restaurants
13 Fruit and Vegetable Processing
14 Funeral parlour and crematorium
15 Furniture Manufacturing
16 Glass Manufacturing
17 Health Care
18 Laboratories Medical and Non-Medical
19 Laundry
20 Livestock Rearing
21 Meat and Poultry Processing
22 Mechanical workshop Includes auto spray painting, machine shop
23 Metal Fabricating
24 Metal Smelting
25 Offshore Oil & Gas
26 Oil Refining
27 On Shore Oil & Gas
28 Ore Mining, Processing and Dressing Includes prospecting, silversmiths and goldsmiths
29 Petro Chemicals and Service Stations Includes aircraft hangers and marine vessels, and carwash
30 Pharmaceutical
31 Power Generation All types of power generation, including biogas
32 Print and Photo Processing
33 Recreational Water
34 Recycling
35 Rice Milling and Processing
36 Seafood Processing Includes fish and other animal products from freshwater sources
37 Slaughtering Houses
38 Sugar Factories
39 Textiles
40 Timber Harvesting and Processing
41 Waste Management Site Includes solid waste, sewerage, treatment site, hazardous waste
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42 Water and Wastewater Treatment
Appendix 2
Parameters and Values
PARAMETER Freshwater Estuary Marine Units (mg/L) unless otherwise specified
1 Aluminium (Al) <5 <5
2 Ammonia (NH3) 0.02 0.01 0.4
3 Ammonical Nitrogen (NH3-N) <0.5 <4
4 Ammonium (NH4) <3 <5
6 Arsenic (As) <0.01 <0.01
7 Biological Oxygen Demand (BOD5) 30 30 150 ml/L
8 Bromodichloromethane 0.016 0.016
9 Cadmium (Cd) <0.1 <0.1
10 Chemical Oxygen Demand (COD) 250 250 ml/L
11 Chloroform <0.002 <0.002
12 Copper (Cu) <0.5 <0.5 <0.5
13 Cyanide (CN) <0.005 <0.005
14 Dissolved Oxygen (DO) 3.5 - 5.0 5.0 - 8.0 ml/L
15 Electrical Conductivity (EC) 2.0 - 5.0 5.0 - 5.0 Microsiemens (µS)
16 Escherichia coli (E. coli) 126mpn 126mpn Most Probable Number for 100ml
17 Fecal Coliform 200mpn 200mpn Most Probable Number for 100ml
18 Free Chlorine (Cl-) <0.005 <0.005
19 Hexavalent (Cr6+
) 0.1 0.1
20 Iron (Fe) <0.3 <5
21 Lead (Pb) <0.05 <0.05
22 Manganese (Mn) <1.0 <1.0
23 Mercury (Hg) <0.002 <0.002
24 N-Hexane Extractable Materials (Oil & Grease)
50 50 15
25 Nickel (Ni) <0.5 <0.5 <0.5
26 Nitrate (as N) <15 <30 200
27 pH (Hydrogen Potential) 4.0 - 5.0 5.0 - 7.0 6.0-9.0
28 Phenols <0.005 <0.005
29 Phosphates (PO4) <1 <1
30 Phosphorus (P) <2 <2
31 Potassium (K) <3 <3
32 Salinity 0.05 3 Percent
33 Sodium (Na) <200 <500
34 Sulphates (SO4) <500 <500
35 Sulphide (S2-) <1 <1
36
Surfactants: Anionic Cationic Non Ionic
1 0.2 1
1 0.2 1
37 Temperature 25 - 27 27 - 30 Degree Celsius
38 Total Chromium (Cr) 0.1 0.1
39 Total Coliform 400mpn 400mpn Most Probable Number for 100ml
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40 Total Kjeldahl Nitrogen (TKN) <3 <3
41 Total Organic Halides (TOH) <1.0 <1.0
42 Total Petroleum Hydrocarbon (TPH) <15 <15
43 Total Residual Chlorine (TRC) <0.005 <0.005
44 Total Suspended Solids (TSS) 30 30 <150 mg/L
45 Trihalomethane (THM) 0.1 0.1
46 Turbidity <15 30 Nephelometric Turbidity Units (NTU)
47 Zinc (Zn) <1.0 <1.0
Appendix 3
Sectors and Applicable Parameters (see Spreadsheet below)
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SECTORS Temp pH EC BOD COD DO TSS Tur O&G TPH NH4 N TKN NH3-N PO4* P K SO4 S2-
Cl- TRC Cr6+
Tot Cr Fe Ni Cu Zn Al As Cd Mn Hg Na Pb CN Phenol Surf Tot Col Fec. C E. coli TOH THM Chloro Other
1
Aquaculture
X X X X X X X X X X X X X X
Antibiotics to be
determined on a case
specific basis
2 Beverages X X X X X X X X X X X X X X X X X
3 Breweries X X X X X X X X X X X X X X X X X
4 Cement X X X X X X X X X X X X X X X X X X X Al, Ca, Mg
5 Chemicals Manufacturing X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Co, Mb
6 Construction & Infrastructure X X X X X X X X X X X X X X X X X X X
7 Crop Farms X X X X X X X X X X X X X X X X X X
8
Dairy Processing
X X X X X X X X X X X X X X X
selenium, Antibiotics to be
determined on a case
specific basis
9 Distilleries X X X X X X X X X X X X X X X X X
10Edible oils and Fats
X X X X X X X X X X X X X X X X X
Antibiotics to be
determined on a case
11 Food Processing (other) X X X X X X X X X X X X X X X
12 Food Services and Restaurant X X X X X X X X X X X X X X X X X X
13 Fruit and Vegetable Processing X X X X X X X X X X X X X X X X X X X
14 Funeral Parlour and Crematorium X X X X X X X X X X X x X X Pathogens, formalin
15 Furniture Manufacturing X X X X X X X X X X X X X X X X X X X X
16 Glass Manufacturing X X X X X X X X X X X Magnesium, Silica, cobalt
17 Health Care X X X X X X X X X X X X X X X X X X X X X X Pathogens
18 Laboratories X X X X X X X X X X X X X X X X X X X X X Pathogens
19 Laundry X X X X X X X X X X X X X X X X X
20 Livestock Rearing X X X X X X X X X X X X X X X
21 Meat& Poultry Processing X X X X X X X X X X X X X X X
22 Mechanical Workshops X X X X X X x X X X X X X X X X X Mn
23 Metal Fabricating X X X X X X X X X X X X X X X X X X X Al
24 Metal Smelting X X X X X X X X X X X X X X X X X X X X X
25 Oil & gas (on shore) X X X X X X X X X X X X X X X X X X X X
26 Oil and Gas (Offshore) X X X X X X X X X X X
27 Oil Refining X X X X X X X X X X X X X X X X X X X
28
Ore mining, processing and
Dressing X X X X X X X X X X X X X X X X X X X X X X X X X X X X
29
Petroleum Chemicals and Service
Stations X X X X X X X X x X X X X X X
30 Pharmaceutical & Biotechnology X X X X X X X X X X X X X X X X X X
31Power Generation
X X X X X X X X X X X X X X X X
Silica, Magnesium,
Calcium, potassium
32 Print and photo-processing X X X X X X X X X X X X X X X X X Molybednum, Ni and Ag
33 Recreational water X X X X X x X X X X X X
34 Recycling X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Aluminum
35 Rice Milling and Processing X X X X X X X X X X X X X Silica, fumigant
36 Seafood Processing X X X X X X X X X X X X X X X X X
37
38 Slaughtering houses X X X X X X X X X X X X X X X X X X
39 Sugar factories X X X X X X X X X X X X X X X
40Textiles
X X X X X X X X X X X X X X X X X X X X X X
Molybednum, Cobalt,
formaldehyde
41 Timber Harvesting and Processing X X X X X X X X X X X X X
42 Waste Management Site X X X X X X X X X X X X X X X X X X X X X X X Compounds of plastics,
43 Water and Wastewater Treatment X X X X X X X X X X X X X X X X X X X X X X X X X X X Pathogens
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