AustLII Tasmanian Numbered Regulations

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WATER AND SEWERAGE INDUSTRY (GENERAL) REGULATIONS 2019 (S.R. 2019, NO. 36) - SCHEDULE 3

- Standards for acceptance of liquid trade waste

SCHEDULE 3 - Standards for acceptance of liquid trade waste

Regulation 15(2)

The standards set out below are the standards for the acceptance of liquid trade waste for placement in sewerage infrastructure.
1.    Local Acceptance Criteria
 

Parameter

Standard for acceptance

1. 

Colour

Not noticeable at 100 dilutions

2. 

Biochemical Oxygen Demand (BOD 5 )

600 mg/L

3. 

Chemical Oxygen Demand (COD)

1 500 mg/L

4. 

Total Organic Carbon (TOC)

1 200 mg/L

5. 

Total Dissolved Solids (TDS)

10 000 mg/L

6. 

Suspended Solids (SS)

600 mg/L

Note 2
These standards may be varied under regulation 15(3) .
2.    General Acceptance Criteria
 

Parameter

Standard for acceptance

1. 

Temperature

Less than 38ºC

2. 

PH

6-10

3. 

Gross Solids

Non-faecal gross solids are to have a maximum linear dimension of less than 20 millimetres and a quiescent settling velocity of less than 3 metres per hour

4. 

Grease and Oil (Total)

200 mg/L

5. 

Beach Grease

100 mg/L

6. 

Methylene Blue Active Substances (MBAS)

500 mg/L

7. 

Ammonia (plus Ammoniacal ion measured as N)

100 mg/L

8. 

Kjeldahl Nitrogen

150 mg/L

9. 

Total Phosphorous (as P)

50 mg/L

10. 

Sulphate (measured as SO 4 )

1 500 mg/L

11. 

Sulphite (measured as SO 2 )

15 mg/L

12. 

Chlorine (measured as Cl 2 )

10 mg/L

13. 

Aluminium

100 mg/L

14. 

Iron

100 mg/L

15. 

Boron (as B)

100 mg/L

16. 

Bromine (as Br 2 )

10 mg/L

17. 

Fluoride (as F - )

30 mg/L

18. 

Cyanide-weak Acid Dissociable (as CN - )

5 mg/L

19. 

Sulphide-Total (as S 2- )

5 mg/L

3.    Acceptance Criteria for Metals

Parameter

Standard for acceptance

   

Concentration (mg/L)

Mass load (g/day)

1. 

Arsenic (As)

5

15

2. 

Cadmium (Cd)

2

6

3. 

Chromium (Cr)

10

30

4. 

Cobalt (Co)

10

30

5. 

Copper (Cu)

10

30

6. 

Lead (Pb)

10

30

7. 

Manganese (Mn)

10

30

8. 

Mercury (Hg)

0.05

0.15

9. 

Nickel (Ni)

10

30

10. 

Selenium (Se)

5

15

11. 

Silver (Ag)

5

15

12. 

Tin (Sn)

10

30

13. 

Zinc (Zn)

10

30

Note 5
The concentration or the mass load may be used. However, if the mass load is exceeded, only the concentration method may be used.
4.    Acceptance Criteria for Organic Compounds

Parameter

Standard for acceptance

1. 

Formaldehyde (as HCHO)

50 mg/L

2. 

Phenolic Compounds (as Phenols)

100 mg/L

3. 

Pentachlorophenol

5 mg/L

4. 

Petroleum Hydrocarbons

30 mg/L

5. 

Halogenated Aliphatic Compounds

5 mg/L

6. 

Halogenated Aromatic Hydrocarbons (HAHs)

 
 

(a) Polychlorinated Biphenyls (PCBs)

0.002 mg/L

 

(b) Polybrominated Biphenyls (PBBs)

0.002 mg/L

7. 

Polynuclear Aromatic Hydrocarbons (PAHs)

5 mg/L

8. 

Pesticides (General), (Including insecticides, herbicides, fungicides)

1 mg/L

9. 

Organophosphate Pesticides

0.1 mg/L

10. 

Organochlorine Pesticides

 
 

(a) Aldrin

0.001 mg/L

 

(b) Chlordane

0.006 mg/L

 

(c) DDT

0.003 mg/L

 

(d) Dieldrin

0.001 mg/L

 

(e) Heptachlor

0.003 mg/L

 

(f) Lindane

0.100 mg/L



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