Annex A Concentration of Interest for Contaminants of Potential Concern
|
COPC |
COI for human health (mg/L) |
Source |
COI for ecological resources (mg/L) |
Source |
Detection Limit in Chemical Analysis (mg/L) |
|
Total residual chloride |
4,000 |
A |
8 |
D |
20 |
|
Chloroform |
0.17 |
B |
12 |
E |
5 |
|
Bromodichloromethane |
0.18 |
B |
22 |
F |
5 |
|
Dibromochloromethane |
0.13 |
B |
34 |
F |
5 |
|
Bromoform |
8.5 |
B |
360 |
F |
5 |
|
Chloroacetic acid |
73 |
B |
32,000 |
G |
2 |
|
Bromoacetic acid |
Not selected as COC as no toxicity data available |
1,600 |
G |
2 |
|
|
Dibromoacetic acid |
COI not available |
680 |
G |
2 |
|
|
Dichloroacetic acid |
20 |
C |
230 |
G |
2 |
|
Trichloroacetic acid |
50 |
C |
93,000 |
G |
2 |
|
Methylene chloride |
200 |
C |
1,580 |
F |
20 |
|
Carbon tetrachloride |
5 |
A |
25 |
H |
0.5 |
|
Chlorobenzene |
100 |
A |
25 |
I |
0.5 |
|
1,1-dichloroethane |
810 |
B |
Not selected as COC as no toxicity data available |
0.5 |
|
|
1,2-dichloroethane |
5 |
A |
10 |
E |
0.5 |
|
1,1-dichloroethylene |
7 |
A |
3.2 |
F |
0.5 |
|
1,2-dichloropropane |
5 |
A |
610 |
G |
0.5 |
|
Tetrachloroethylene |
5 |
A |
8.85 |
F |
0.5 |
|
1,1,1-trichloroethane |
200 |
A |
100 |
E |
0.5 |
|
1,1,2-trichloroethane |
5 |
A |
100 |
E |
0.5 |
|
Trichloroethylene |
5 |
A |
10 |
E |
0.5 |
|
2-chlorophenol |
30 |
B |
50 |
E |
0.5 |
|
2,4-dichlorophenol |
110 |
B |
20 |
E |
0.5 |
|
p-chloro-m-cresol |
Not selected as COC as no toxicity data available |
40 |
E |
0.5 |
|
|
Pentachlorophenol |
1 |
A |
7.9 |
J |
2.5 |
|
2,4,6-trichlorophenol |
3.6 |
B |
12.1 |
G |
0.5 |
|
Bis(2-chloroethoxy)methane |
Not selected as COC as no toxicity data available |
1,840 |
G |
0.5 |
|
|
1,4-dichlorobenzene |
75 |
A |
74 |
G |
0.5 |
|
Hexachlorobenzene |
10 |
A |
0.03 |
E |
0.5 |
|
Hexachlorocyclopentadiene |
50 |
A |
9 |
G |
2.5 |
|
Hexachloroethane |
4.8 |
B |
24 |
G |
0.5 |
|
1,2,4-trichlorobenzene |
70 |
A |
5.4 |
I |
0.5 |
|
Alpha-benzene hexachloride |
0.01 |
B |
5 |
G |
0.5 |
|
Beta-benzene hexachloride |
0.04 |
B |
0.046 |
F |
1 |
|
Gamma-benzene hexachloride |
0.2 |
A |
0.063 |
F |
1 |
Note: Bold values denote detection limit exceeds the COI.
Source: A) USEPA (2004) Edition of the Drinking Water Standards and Health Advisories
B) USEPA Region IX: Preliminary Remediation Goals, available online: www.epa.gov/region 09/waste/sfund/prg
C) WHO (2004). Guidelines for Drinking-water Quality, Third Edition
D) CDM (2002). Report on Community Consultation for the Proposed Water Quality Criteria.
E) WRc Swindon (1999). Guidelines for Managing Water Quality Impacts within UK European Marine Sites.
F) USEPA Water Quality Criteria. Available online: www.epa.gov/waterscience/standards/states
G) Derived toxicity reference value for aquatic life.
H) ANZECC (2000). Australian and New Zealand Guidelines for Fresh and Marine Water Quality.
I) CCME (2005). Canadian Water Quality Guidelines for the Protection of Aquatic Life
J) USEPA (2004). National Recommended Water Quality Criteria.