|
Compound |
Reference |
Guideline value
(m g /L) |
Use |
Level of confidence c |
|
Copper |
2 |
4.5a |
Acute |
95% |
|
1 |
1.4a |
Chronic |
|
3 |
1.2a |
Chronic |
|
2 |
2.0b |
Chronic |
|
Chromium (total) |
2
2 |
20.0
2.0 |
Chronic
Chronic |
To protect fish
To protect aquatic life
95% |
|
Chromium (III) |
3
2 |
570
74 |
Acute
Chronic |
|
Chromium (VI) |
3
1 |
16
1.0 |
Acute
Chronic |
|
Arsenic (total) |
3 |
340 |
Acute |
95%
95% |
|
3 |
150 |
Chronic |
|
2 |
50 |
Chronic |
|
Arsenic (III) |
1 |
24 |
Chronic |
|
Arsenic(V) |
1 |
13 |
Chronic |
|
Benzene |
1 |
950 |
Chronic |
95% |
|
2 |
300 |
Chronic |
|
Ethylbenzene |
1 |
80 |
Chronic |
Low
reliability |
|
2 |
700 |
Chronic |
Tentative |
|
Toluene |
1 |
170 |
Chronic |
Tentative |
|
2 |
300 |
Chronic |
|
|
o-xylene |
1 |
350 |
Chronic |
95% |
|
m-xylene |
1 |
75 |
Chronic |
Low
reliability |
|
p-xylene |
1 |
200 |
Chronic |
95% |
a Calculated at 30
mg L-1
CaCO3
b Calculated for 0-60 mg L-1 CaCO3
c ANZECC (2000) provides a range of confidence
levels for use in different environments
References
- ANZECC (2000). Australian and New Zealand
water quality guidelines for fresh and marine waters. Australian and New
Zealand Environment and Conservation Council. Agriculture and Resource
Management Council of Australia and New Zealand, Canberra, Australia.
- CCREM (1995). Canadian water quality
guidelines. Prepared by the task force on water quality guidelines of the
Council of Resource and Environment Ministers. Environment Canada.
-
US EPA (1999). National
recommended water quality criteria - Correction. EPA 822-Z-99-001. United
States Environmental Protection Agency, Office of Water 4304.
|
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