Water Pollution Regulations (ACT)
AUSTRALIAN CAPITAL TERRITORY 453 Regulations 1984 No. 25
Water Pollution Regulations
TABLE OF PROVISIONS
PART I—PRELIMINARY
Regulation
1. Citation
2. Interpretation
PART II—CLASSIFICATION OF WATERS
3. Class P waters
4. Class C waters
5. Class R waters
6. Class O waters
7. Class U waters
PART III—REQUIREMENTS FOR DISCHARGE OF WASTE INTO WATERS
8. Discharge into Class P waters
9. Discharge into Class C waters
10. Discharge into Class R waters
11. Discharge into Class O waters
12. Discharge into Class U waters
PART IV—MISCELLANEOUS
13. Analyses
14. Prescribed formula—thermal waste, & c.
15. Prescribed formula—restricted substances
16. Prescribed formula—faecal coliform count
SCHEDULE 1
RESTRICTED SUBSTANCES IN RELATION TO CLASS P AND CLASS U WATERS
SCHEDULE 2
RESTRICTED SUBSTANCES IN RELATION TO CLASS O WATERS
RESTRICTED SUBSTANCES IN RELATION TO CLASS C WATERS AND CLASS R
WATERS
SCHEDULE 3
METHODS OF ANALYSIS
SCHEDULE 4
454 AUSTRALIAN CAPITAL TERRITORY
Regulations 1984 No. 25'
Water Pollution Regulations
I, THOMAS UREN, the Minister of State for Territories and Local Government, hereby make the following Regulations under the Water Pollution Ordinance 1984.
Dated 19 November 1984.
TOM UREN
Minister of State for Territoriesand Local Government
PART I—PRELIMINARY
Citation
1. These Regulations may be cited as the Water Pollution Regulations.
Interpretation
2. (1) In these Regulations, unless the contrary intention appears—
"Australian Standard 2031" means the Standard published under thatnumber by the body incorporated by Royal Charter under the name Standards Association of Australia, being that standard as in force on 31 December 1977;
"biochemical oxygen demand" means the quantity of oxygen utilized in the biochemical oxidation of organic matter in a sample of water or of waste, determined in accordance with the appropriate method of analysis; "chemical oxygen demand" means the quantity of oxygen utilized to oxidize matter determined in accordance with the method specified in the Standard Methods;
"dissolved organic carbon content", in relation to waste, means the total organic carbon value of that waste after the waste has been filtered in accordance with the appropriate method of analysis;
"filtrable residue" is material that passes through a standard glass fibre filter and remains after evaporation;
"flash point", in relation to a substance, means the temperature at which that substance gives off inflammable vapour;
Water Pollution 1984 No. 25 455
"Standard Methods" means the fourteenth edition of the publication called "Standard Methods for the Examination of Water and Wastewater" published jointly by the American Public Health Association, the American Water Works Association and the Water Pollution Control Federation;
"total organic carbon value", in relation to a water sample, means the amount of organic carbon in the sample determined in accordance with the appropriate method of analysis;
"the Ordinance" means the Water Pollution Ordinance 1984.
(2) For the purposes of the definition of "restricted substance" in sub-section 5 (1) of the Ordinance—
(a)
a substance specified in Column 1 of Schedule 1 or included in a class of substance specified in that column is declared to be a restricted substance in relation to Class P waters or Class U waters;
(b)
a substance specified in Column 1 of Schedule 2 or included in a class of substance specified in that column is declared to be a restricted substance in relation to Class C waters or Class R waters; and
(c)
a substance specified in Column 1 of Schedule 4 or included in a class of substance specified in that column is declared to be a restricted substance in relation to Class O waters.
PART II—CLASSIFICATION OF WATERS
Class P waters
3. For the purposes of the Ordinance and these Regulations, the following waters are Class P waters:
(a)
waters within the area described in the Second Schedule to the Cotter River Ordinance 1914, not being underground waters or waters that, by virtue of sub-section 5 (3) of the Ordinance, are Class S waters;
(b) waters in the Jervis Bay Territory, not being underground waters, that
drain, whether directly or indirectly, into Lake Windermere; and (c) Lake Mackenzie and its tributaries.
Class C waters
4. (1) Subject to sub-regulation (2), waters other than—
(a)
waters that, by virtue of sub-section 5 (3) of the Ordinance, regulations 3 or 6, are Class S waters, Class P or Class O waters;
(b) underground waters; and
(c) waters within the City Area,
are, for the purposes of the Ordinance and these Regulations, Class C waters.
(2) The waters of Lake Ginninderra and Lake Burley Griffin and the waters of the Molonglo River and Jerrabomberra Creek within the City Area are, for the purposes of the Ordinance and these Regulations, Class C waters.
456 Water Pollution 1984 No. 25 (3) All waters that are otherwise unclassified by this Part are, for the purposes of the Ordinance and these Regulations, Class C waters.
Class R waters
5. For the purposes of the Ordinance and these Regulations, waters within the City Area, other than underground waters and the waters of Lake Ginninderra, Lake Burley Griffin, the Molonglo River and Jerrabomberra Creek, are Class R waters.
Class O waters
6. All waters up to the high water mark of the ocean and bays within the Jervis Bay Territory, other than waters that are, by virtue of sub-section 5(3) of the Ordinance, regulations 3 or 7, Class S, Class P or Class U waters are, for the purposes of the Ordinance and these Regulations, Class O waters.
Class U waters
7. For the purposes of the Ordinance and these Regulations, underground waters are Class U waters.
PART III—REQUIREMENTS FOR DISCHARGE OF WASTE INTO
WATERS
Discharge into Class P waters
8. (1) Where a sewerage system is available, waste of a kind that may lawfully be discharged into the sewerage system shall not be discharged into Class P waters.
(2) Waste containing an overflow from any part of a sewerage system shall not be discharged into Class P waters.
(3) Waste shall not be discharged into Class P waters if the waste has a biochemical oxygen demand equal to, or in excess of, 10 milligrams per litre, a total organic carbon value equal to, or in excess of, 30 milligrams per litre or a non-filtrable residue equal to, or in excess of, 10 milligrams per litre.
(4) Waste shall not be discharged into Class P waters if the concentration
of phosphorus compounds expressed as P in the waste is equal to, or in excess
of, 0.2 milligram per litre.(5) Waste that will convey infection or contains faecal coliforms shall nbt be discharged into Class P waters unless—
(a) the waste has been treated accordi ng to a method of disinfection which the Authority, by notice in the Gazette, declares to be acceptable; and (b) the faecal coliform count of a sample of the waste does not, when assessed in accordance with the prescribed formula, cause the faecal coliform count of the receiving waters to exceed 10 per 100 millilitres. (6) Waste shall not be discharged into Class P waters if—
(a) the waste contains settleable matter; or
Water Pollution 1984 No. 25 457
| (b) | there is visible in the waste grease, oil, solid matter or unnatural discolouration. |
(7) Waste shall not be discharged into Class P waters if the concentration of a restricted substance in the waste exceeds the concentration specified in Column 2 of Schedule 1 opposite to the reference in Column 1 to that substance.
(8) Waste shall not be discharged into Class P waters if the pH value of the waste is less than 6.5 or more than 8.5.
(9) Waste shall not be discharged into Class P waters if—
| (a) | the total filtrable residue of the waste exceeds 600 milligrams per litre; or |
| (b) | the water used in conveying the waste is drawn directly from groundwater sources and the total filtrable residue exceeds 1,000 milligrams per litre. |
(10) Thermal waste shall not be discharged into Class P waters.
Discharge into Class C waters
9. (1) Where a sewerage system is available, waste of a kind that may lawfully be discharged into the sewerage system shall not be discharged into Class C waters.
(2) Waste shall not be discharged into Class C waters if the waste has a biochemical oxygen demand equal to, or in excess of, 15 milligrams per litre, a total organic carbon value equal to, or in excess of, 45 milligrams per litre or a non-filtrable residue equal to, or in excess of, 20 milligrams per litre.
(3) Waste that will convey infection or contains faecal coliforms shall not be discharged into Class C waters unless—
| (a) | the waste has been treated according to a method of disinfection which the Authority, by notice in the Gazette, declares to be acceptable; and |
| (b) | the faecal coliform count of a sample of the waste does not, when assessed in accordance with the prescribed formula, cause the faecal coliform count of the receiving waters to exceed 200 per 100 millilitres. |
(4) Waste shall not be discharged into Class C waters if—
(a) the waste contains settleable matter; or (b) there is visible in the waste grease, oil, solid matter or unnatural discolouration.
(5) Waste containing a restricted substance shall not be discharged into Class C waters if the discharge of the waste, when assessed in accordance with the prescribed formula, would result in the concentration of that restricted substance in any part of the receiving waters exceeding the concentration specified in Column 2 of Schedule 2 opposite to the reference in Column 1 to that substance.
(6) Waste shall not be discharged into Class C waters if the pH value of the waste is less than 6.5 or more than 8.5.
458 Water Pollution 1984 No. 25 (7) Waste shall not be discharged into Class C waters if the concentration of phosphorus compounds expressed as P in the waste is equal to, or in excess of, 0.5 milligram per litre.
(8) Thermal waste, or any liquid used in a trade, industry or a commercial or domestic process, shall not be discharged into Class C waters where the proposed discharge would induce a variation in the temperature of the receiving waters which, when calculated in accordance with the prescribed formula, would be in excess of 5 degrees Celsius or, where flows are less than the 5 percentile low flow value, 10 degrees Celsius.
(9) For the purposes of this regulation, the 5 percentile low flow value is the level which a flow is equal to or greater than for 95 per cent of the time.
(10) Waste shall not be discharged into Class C waters if— (a) the total filtrable residue of the waste exceeds 600 milligrams per litre; or (b) the water used in conveying the waste is drawn directly from groundwater sources and the total filtrable residue exceeds 1,000 milligrams per litre. (11) Waste containing ammonia shall not be discharged into Class C waters if the discharge of the waste would, when calculated in accordance with the prescribed formula, result in the concentration of ammonia in any part of the water at or near the point of discharge exceeding the prescribed concentration.
(12) For the purpose of sub-regulation (11), the prescribed concentration is the concentration ascertained in accordance with the formula:
1 + anti-log (10 - ((0.03 x Y) + Z))
X =
40
where—
X is the concentration of ammonia measured in milligrams per litre Y is the temperature of the ambient waters measured in degrees Celsius
Z is the pH value of the ambient waters.
(13) Waste shall not be discharged into Class C waters if— (a) the temperature of the waste exceeds 38 degrees Celsius; (b)
the waste contains any substance capable of producing an explosive, incendiary or pyrotechnic effect upon contact with water or the atmosphere;
(c)
the waste contains a substance having a flash point of less than 61 degrees Celsius; or
(d)
the concentration of sulphide compound expressed as S in the waste is in excess of 1 milligram per litre.
Water Pollution 1984 No. 25 459
Discharge into Class R waters
10. (1) Where a sewerage system is available, waste of a kind that may lawfully be discharged into the sewerage system shall not be discharged into Class R waters.
(2) Waste shall not be discharged into Class R waters if the waste has a biochemical oxygen demand equal to, or in excess of, 20 milligrams per litre, a total organic carbon value equal to, or in excess of, 60 milligrams per litre or a non-filtrable residue equal to, or in excess of, 30 milligrams per litre.
(3) Waste shall not be discharged into Class R waters if the concentration of phosphorus compounds expressed as P in the waste is equal to, or in excess of, 0.5 milligram per litre.
(4) Waste that will convey infection or contains faecal coliforms shall not be discharged into Class R waters unless—
(a) the waste has been treated according to a method of disinfection which the Authority, by notice in the Gazette, declares to be acceptable; and (b) the faecal coliform count of a sample of the waste does not, when assessed in accordance with the prescribed formula, cause the faecal coliform count of the receiving waters to exceed 1,000 per 100 millilitres. (5) Waste shall not be discharged into Class R waters if—
(a) the waste contains settleable matter; or (b) there is visible in the waste grease, oil, solid matter or unnatural discolouration.
(6) Waste containing a restricted substance shall not be discharged into Class R waters if the discharge of the waste, when assessed in accordance with the prescribed formula, would result in the concentration of that restricted substance in any part of the receiving waters exceeding the concentration specified in Column 2 of Schedule 2 opposite to the reference in Column 1 to that substance.
| Waste shall not be discharged into Class R waters if the pH value of the waste is less than 6.5 or more than 8.5. |
(7)
(8) Thermal waste, or any liquid used in a trade, industry or a commercial or domestic process, shall not be discharged into Class R waters where the proposed discharge would induce a variation in the temperature of the receiving waters which, when calculated in accordance with the prescribed formula, would be in excess of 5 degrees Celsius or, where flows are less than the 5 percentile low flow value, 10 degrees Celsius.
(9) For the purposes of this regulation, the 5 percentile low flow value is the level which a flow is equal to or greater than for 95 per cent of the time.
(10) Waste shall not be discharged into Class R waters if— (a)
the total filtrable residue of the waste exceeds 600 milligrams per litre; or
460 Water Pollution 1984 No. 25
(b) the water used in conveying the waste is drawn directly from groundwater sources and the total filtrable residue exceeds 1,000 milligrams per litre. (11) Waste containing ammonia shall not be discharged into Class R waters if the discharge of the waste would, when calculated in accordance with the prescribed formula, result in the concentration of ammonia in any part of the water at or near the point of discharge exceeding the prescribed concentration.
(12) For the purpose of sub-regulation (11) the prescribed concentration is the concentration ascertained in accordance with the formula specified in sub-regulation 9(12).
(13) Waste shall not be discharged into Class R waters if— (a) the temperature of the waste exceeds 38 degrees Celsius; (b)
the waste contains any substance capable of producing an explosive, incendiary or pyrotechnic effect upon contact with water or the atmosphere;
(c)
the waste contains a substance having a flash point of less than 61 degrees Celsius; or
(d)
the concentration of sulphide compound expressed as S in the waste is in excess of 1 milligram per litre.
Discharge into Class O waters
11. (1) Where a sewerage system is available, waste of a kind that may lawfully be discharged into the sewerage system shall not be discharged into Class O waters.(2) Waste shall not be discharged into Class O waters if the waste has a biochemical oxygen demand equal to, or in excess of, 20 milligrams per litre, a total organic carbon value equal to, or in excess of, 60 milligrams per litre or a non-filtrable residue equal to, or in excess of, 30 milligrams per litre.
(3) Waste shall not be discharged into Class O waters if— (a)
there is visible in the waste any grease, oil or solid matter; or (b) the waste contains settleable matter. (4) waste is less than 6.5 or more than 8.5. Waste shall not be discharged into Class O waters if the pH value of the (5) Waste that will convey infection or contains faecal coliforms shall not be discharged into Class O waters unless—
(a)
the waste has been treated according to a method of disinfection which the Authority, by notice in the Gaiette, declares to be acceptable; and
(b)
the faecal coliform count of a sample of the waste does not cause the faecal coliform count of the receiving waters to exceed 200 per 100 millilitres.
(6) Waste containing a restricted substance shall not be discharged into
Class O waters if the concentration of the restricted substance in the waste
Water Pollution 1984 No. 25 461
exceeds the concentration specified in Column 2 of Schedule 4 opposite to the
reference in Column 1 to that substance.
Discharge into Class U waters
12. (1) Where a sewerage system is available, waste of a kind that may lawfully be discharged into the sewerage system shall not be discharged into Class U waters except by way of the sewerage system.
(2) Waste shall not be discharged into Class U waters if the waste has a dissolved organic carbon content equal to, or in excess of, 50 milligrams per litre.
(3) Waste shall not be discharged into Class U waters if the concentration of a restricted substance in the waste exceeds the concentration specified in Column 2 of Schedule 1 opposite to the reference in Column 1 to that substance.
(4) Waste shall not be discharged into Class U waters if the pH value of the waste is less than 6.5 or more than 8.5.
PART IV—MISCELLANEOUS
Analyses
13. (1) Where a sample of water or waste is taken for analysis for the purposes of the Ordinance, the sample shall be taken and preserved, and shall be analysed within the time provided by the recommendations contained in Parts 1 and 2 of the Australian Standard 2031.
(2) Subject to sub-regulation (3), evidence of the result of analysis of a sample of water or waste is not admissible in proceedings for an offence against the Ordinance for the purpose of establishing the presence of a substance in the sample unless the analysis was carried out in accordance with the appropriate method of analysis.
Evidence of the result of an analysis of a sample of water or waste is not rendered inadmissible by reason that the analysis was not carried out in
(3)
accordance with the method required by sub-regulation (2) if the departures
from that method were not such as could affect the result of the analysis.
(4) For the purposes of these Regulations, the appropriate method of analysis, in relation to water or waste that contains material or a substance specified, or material or substance included in a class of materials or substances specified, or having a property specified in Column 2 of an item in Schedule 3, means—
(a) the method of analysis described in Column 3 of that item; or (b)
where the entry in Column 3 of that item consists of a reference to one or more sections of Standard Methods, the method of analysis described in that section or in any of those sections, as the case may be.
(5) A reference in Schedule 3 consisting of the word "section" followed
immediately by a number or by a number and letter is a reference to the section
462 Water Pollution 1984 No. 25 designated by that number or by that number and letter, as the case may be, in
Standard Methods.(6) A reference in these Regulations to the temperature of water or waste is a reference to the temperature of that water or waste determined according to the method described in section 212 of Standard Methods.
Prescribed formula—thermal waste, &c.
14. (1) For the purposes of sub-regulations 9 (8) and 10 (8) the prescribed formula is—
\ R,p x R,p)+\k x "d x d) temperature
=
n ~ variation ^R,p + qd
where—
R,p is flow of receiving water at probability p immediately upstream of the discharge point measured in litres per second
T
R,p is the temperature of the receiving water prevailing under conditions ofQR,p flow immediately upstream of the discharge point measured in degrees Celsius
qd is waste discharge rate measured in litres per second
T
d is the temperature of the discharge measured in degrees Celsius
p is the prescribed flow probability level adopted as the basis of acceptable
risk
k is the prescribed factor allowing for growth in pollution loading.
(2) For the purpose of sub-regulation (1) the prescribed flow probability
level adopted as the basis of acceptable risk is—
(a) in relation to Class C waters—the 5 percentile low flow value; and (b) in relation to Class R waters—the 5 percentile low flow value. (3) For the purpose of sub-regulation (1) the prescribed factor allowing for growth in pollution loading is—
(a) in relation to Class C waters—2; and (b) in relation to Class R waters—2. (4) For the purposes of this regulation, the 5 percentile low flow value is the level which a flow is equal to or greater than for 95 per cent of the time.
Prescribed formula—restricted substances
15. (1) For the purposes of sub-regulations 9 (5) and 10 (6) the prescribed formula is—
( Q R,p x CR,p)+(k x q d x C d ) concentration = of restricted
^R,p + q d substance
Water Pollution 1984 No. 25 463
where— Q R,p is flow of receiving water at probability p immediately upstream of
the discharge point measured in litres per second
r
R,p is concentration of the restricted substance in the receiving water prevailing under conditions of ^R,p flow measured in milligrams per litre
^d is waste discharge rate measured in litres per second
Qd is concentration of restricted substance in the water discharge measured in milligrams per litre
p is the prescribed flow probability level adopted as the basis of acceptable
risk
k is the prescribed factor allowing for growth in pollution loading.
(2) For the purpose of sub-regulation (1) the prescribed flow probability
level adopted as the basis of acceptable risk is—
(a) in relation to Class C waters—the 5 percentile low flow value; and (b) in relation to Class R waters—the 5 percentile low flow value.
(3) For the purpose of sub-regulation (1) the prescribed factor allowing for growth in pollution loading is—
(a) in relation to Class C waters—2; and (b) in relation to Class R waters—2.
(4) For the purposes of this regulation, the 5 percentile low flow value is the level which a flow is equal to or greater than for 95 per cent of the time.
Prescribed formula—faecal coliform count
16. (1) For the purposes of paragraphs 8 (5) (b), 9 (3) (b) and 10 (4) (b), the prescribed formula is—
| ( QR,p x FR,p)+(k x qd x Fd ) | concentration |
— = of faecal ^R,p + qd coliforms
| where— |
R,p is flow of receiving water at probability p immediately upstream of the discharge point measured in litres per second
F
R,p is the concentration of faecal coliforms at probability p immediately
4d is waste discharge rate measured in litres per second upstream of the discharge point measured in counts per 100 millilitres F d is the concentration of faecal coliforms in the discharge measured in counts per 100 millilitres
p is the prescribed flow probability level adopted as the basis of acceptable
risk
k is the prescribed factor allowing for growth in pollution loading.
| 464 | Water Pollution | 1984 No. 25 |
(2) For the purpose of sub-regulation (1) the prescribed flow probability
level adopted as the basis of acceptable risk is—
(a) in relation to Class P waters—the 5 percentile low flow value; (b) in relation to Class C waters—the 5 percentile low flow value; and (c) in relation to Class R waters—the 5 percentile low flow value. (3) For the purpose of sub-regulation (1) the prescribed factor allowing for
growth in pollution loading is—
(a) in relation to Class P waters—2; (b) in relation to Class C waters—2; and (c) in relation to Class R waters—2.
(4) For the purposes of this regulation, the 5 percentile low flow value is the level which a flow is equal to or greater than for 95 per cent of the time.
SCHEDULE 1 Sub-regulations 8 (7) and
12(3)
RESTRICTED SUBSTANCES IN RELATION TO CLASS P AND CLASS U WATERS
Column 1 Column 2 Arsenic 0.05 milligram per litre Barium 1 milligram per litre Boron 1 milligram per litre Cadmium 0.01 milligram per litre Chloride 250 milligrams per litre Chromium (hexavalent) 0.05 milligram per litre Copper 1 milligram per litre Cyanide 0.2 milligram per litre Fluoride 1.5 milligrams per litre Iron (filtrable) 0.3 milligram per litre Lead 0.05 milligram per litre Magnesium 100 milligrams per litre Manganese (filtrable) 0.05 milligram per litre Mercury 0.001 milligram per litre Methylene blue active substances 0.5 milligram per litre Nitrogen in the form of ammonia 0.5 milligram per litre Nitrogen (nitrate plus nitrite) 10 milligrams per litre Pesticides— Aldrin 0.001 milligram per litre
Chlordane 0.003 milligram per litre D.D.T 0.05 milligram per litre Dieldrin 0.001 milligram per litre Endrin 0.0005 milligram per litre Heptachlor 0.0001 milligram per litre Heptachlor epoxide 0.0001 milligram per litre Lindane 0.005 milligram per litre Methoxychlor 1 milligram per litre Toxaphene 0.005 milligram per litre Organophosphates or carbamates 0.1 milligram per litre Herbicides—
2,4-D 0.02 milligram per litre 2,4,5-T 0.02 milligram per litre Phenolic compounds 0.001 milligram per litre Selenium 0.01 milligram per litre Silver 0.05 milligram per litre Sulphate 250 milligrams per litre Uranylion 5 milligrams per litre Zinc 5 milligrams per litre
Water Pollution 1984 No. 25 465
SCHEDULE 2 Sub-regulations 9 (5) and 10 (6)
RESTRICTED SUBSTANCES IN RELATION TO CLASS C WATERS AND CLASS R
WATERS
| Column 1 | Column 2 |
| Arsenic | 0.05 milligram per litre |
| Cadmium | 0.004 milligram per litre |
| Chromium (hexavalent) | 0.01 milligram per litre |
| Copper | 0.01 milligram per litre |
| Cyanide | 0.01 milligram per litre |
| Lead | 0.02 milligram per litre |
| Mercury | 0.0002 milligram per litre |
| Methylene blue active substances | 0.2 milligram per litre |
| Nickel | 0.05 milligram per litre |
v
Pesticides—Organochlorides
| Aldrin | 0.01 microgram per litre |
| D.D.T. | 0.002 microgram per litre |
| D.D.E | 0.006 microgram per litre |
| Dieldrin | 0.005 microgram per litre |
| Chlordane | 0.04 microgram per litre |
| Endosulphan | 0.003 microgram per litre |
| Endrin | 0.002 microgram per litre |
| Heptachlor | 0.01 microgram per litre |
| Lindane | 0.02 microgram per litre |
| Methoxychlor | 0.005 microgram per litre |
| Toxaphene | 0.01 microgram per litre |
Pesticides—Organophosphates
| Azinphosmethyl | 0.001 microgram per litre |
| Ciodrin | 0.1 microgram per litre |
| Coumaphos | 0.001 microgram per litre |
| Diazinon | 0.009 microgram per litre |
| Dichlorvos | 0.001 microgram per litre |
| Dioxathion | 0.09 microgram per litre |
| Disulfonton | 0.05 microgram per litre |
| Dursban | 0.001 microgram per litre |
| Ethion | 0.02 microgram per litre |
| E.P.N | 0.06 microgram per litre |
| Fenthion | 0.006 microgram per litre |
| Malathion | 0.008 microgram per litre |
| Mevinphos | 0.002 microgram per litre |
| Naled | 0.004 microgram per litre |
| Oxydemeton Methyl | 0.4 microgram per litre |
| Parathion | 0.001 microgram per litre |
| Phosphamidon | 0.03 microgram per litre |
| T.E.P.P | 0.3 microgram per litre |
| Trichlorophon | 0.002 microgram per litre |
Pesticides—Carbamates
| Carbaryl | 0.02 microgram per litre |
| Zectran | 0.1 microgram per litre |
Pesticides—Herbicides
| Aminotriazole | 300.0 micrograms per litre |
| Dalapon | 110.0 micrograms per litre |
| Dicamba | 0.2 microgram per litre |
| Dichlobenil | 37.0 micrograms per litre |
| Dichlone | 0.7 microgram per litre |
| Diquat | 0.5 microgram per litre |
| Diuron | 1.6 micrograms per litre |
| 2,4-D (B.E.E.) | 4.0 micrograms per litre |
| Fenac (Sodium salt) | 45.0 micrograms per litre |
| Silvex (B.E.E.) | 2.5 micrograms per litre |
| Silvex (P.G.B.E.) | 2.0 micrograms per litre |
| Simazine | 10.0 micrograms per litre |
466 Water Pollution 1984 No. 25
SCHEDULE 2—continued
Column Column 2 Pesticides— Botanicals Allethrin 0.002 microgram per litre Pyrethrum 0.01 microgram per litre Rotenone 10.0 micrograms per litre Phenolic compounds 0.05 milligram per litre Polychlorinatedbiphenyls(P.C.B.'s) 0.002 microgram per litre Zinc 0.1 milligram per litre
SCHEDULE 3 Sub-regulations 13 (4) and (5)
METHODS OF ANALYSIS
Column I Column 2 Column 3 Item Substance Methods of Analysis 1 Arsenic Section 404A, section 404B, section 404c 2 Barium Section 303A
3 Biochemical oxygen demand . . Section 507 4 Boron Section 405A, section 405B 5 Cadmium Section 305A, section 305B, section 305c
6 Chemical oxygen demand . . . Section 508
7 Chromium (Hexavalent) . . . Section 307B 8 Chloride Section 408A, section 408B, section 408c 9 Copper Section 308A, section 308B, section 308c 10
Cyanide
Pretreatment in accordance with section 413A followed by distillation in accordance with section 413B and analysis in accordance with section 413c, section 41 3D, section 41 3E
Dissolved organic carbon content of
water Filtration in accordance with section 208B followed by analysis in accordance with section 505
12 Dissolved oxygen content of water Section 422B, section 422c, section 422D or section 422F
13
Faecal coliforms
Membrane filter method as described in Report No. 71 ("The Bacteriological Examination of Water Supplies") of the Reports on Public Health and Medical Subjects by the Department of Health and Social Security, Welsh Office, of the Ministry of Housing and Local Government published in
London by Her Majesty's Stationery Office in 1969, pp 20 to 27 except that the Teepol broth medium referred to in the report shall be replaced by lauryl sulphate agar or Teepol agar. The following reagents should be used in the preparation of the teepol agar or lauryl sulphate agar:
(a) 57.15 grams of membrane enriched Teepol broth Code MM 369 in the 1974 4th Edition of the "Oxoid Manual" published by Oxoid Limited; (b) 10 grams of agar; (c) 1,000 millilitres of distilled water; (d) 4 millilitres of Teepol (described as Teepol 610 in the 1979-80 Australian Edition of "Laboratory Chemicals and Methods" published by BDH Chemicals Ltd) or where lauryl sulphate agar is being prepared 1 gram of sodium lauryl sulphate (described as the sodium lauryl sulphate designated with code
Water Pollution 1984 No. 25 467 SCHEDULE 3—continued
| Column 1 | Column 2 | Column 3 |
| Item | Substance | Methods of Analysis |
number 44244 in "Laboratory Chemicals and Bio-chemicals" published by BDH Chemicals Ltd)
The method of preparation of Teepol agar or lauryl containing the Teepol. This solution is then sterilised by autoclaving at 121 degrees Celsius for 15 minutes.
sulphate agar is as follows:
| 14 | Fluoride | Pretreatment in accordance with section 414A followed by analysis in accordance with section 414B, section 414c or section 414D |
| 15 | Grease and oil | Section 502A |
| 16 | Herbicides - 2 , 4-D, and 2, 4, 5-T |
(and their salts) Section 509B
| 17 | Iron ((titrable) | Section 310A 4(c) | ||
| 18 | Lead | Section 311A, section 311B | ||
| 19 | Manganese | Section 31 4A, section 31 4B | ||
| 20 | Mercury | Section 31 5A, section 315B | ||
| 21 | Methylene blue active substances |
| ||
| 22 | Nickel | Section 31 6A or section 316c | ||
| 23 | Nitrogen-ammonia | Pretreatment in accordance with section 418A followed by analysis in accordance with section 418B, section 418C or section 418D | ||
| 24 | Nitrogen (total Kjeldahl) | Section 421 | ||
| 25 | Nitrogen nitrate | Section 4I9B, section 419c, section 4I9D, section |
419E, section 419F
| 26 | Nitrogen- nitrite | Section 420 |
| 27 | Non-filtrable residue | Section 208D |
| 28 | Organic carbon (total) | . . . . | Section 505 |
| 29 | Organochlorides | Section 509A | |
| 30 | Organophosphates | Section 509c | |
| 31 | Carbamates | Section 509c | |
| 32 | pH value | Section 424 | |
| 33 | Phenolic compounds | Section 510E | |
| 34 | Phosphorus | (Fi l t rable | or tho- |
phosphate)
Filtration in accordance with section 425A followed by analysis in accordance with section 425D, section 425E or section 425F
| 35 | Phosphorus (total) | Pretreatment in accordance with section 425c |
425D, section 425E or section 425F followed by analysis in accordance with section
| 36 | Selenium | . . . | Section 31 8A, section 318B, section 318c |
| 37 | Silver | Section 319A, section 319B |
| 38 | Sulphate . . . . | Section 427A, section 427B, section 427c | ||
| 39 | Sulphide compounds |
|
followed by an analysis in accordance with section
428c or section 428D
| 40 | Temperature | . . . | Section 212 |
| 41 | Total Chlorine residual | Section 409c or section 409F |
| 42 | Total chromium | . . | Section 307A |
| 43 | Total filtrable residue | Section 208c |
| 44 | Uranyl ion . . . . | The method of D. A. Johnson and T. M. Florence as described in "Analytica Chimica Acta". 1971, vol. 53, pp 73 to 79 |
| 45 | Zinc | Section 323A, section 323B, section 323c, section 323D |
468 Water Pollution 1984 No. 25 15
SCHEDULE 4 Sub-regulation 11 (6)
RESTRICTED SUBSTANCES IN RELATION TO CLASS O WATERS
Column I Column 2
Concentration inSubstance milligrams per litre Arsenic 1 Cadmium 2 Total Chromium .2 Copper 2 Lead 1 Mercury .01 Nickel 1 Silver 2 Zinc 3 Cyanide 2 Phenolic Compounds 5 Total Chlorine residual 1.0 Ammonia 5.0 Organochlorides .02 NOTE 1. Notified in the Commonwealth of A ustralia Gazette on 28 November 1984.
0
0
0