Table B-7. Environmental Levels of PCBs in Sediment (ppt)
IUPAC number |
Chemical |
Number samples |
Number positive samples |
Concentration range |
Conc. mean |
Wt. basis |
Location |
Location description |
Sample year |
Ref. no. |
Commentsa |
Tetrachloro-PCB (MW=291.99) |
|||||||||||
77 3,3',4,4'-TCB |
18 |
13 |
ND-550 |
138 |
Dry |
South Central Finland |
Various |
88/89 |
1 |
A,B |
|
8 |
8 |
500-360,000 |
64,250 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
||
5 |
5 |
5,000-27.5M |
9.47M |
NR |
Waukegan, Illinois |
Urban |
78 |
9 |
5 sites |
||
NR |
NR |
NR |
ND(500) |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
81 3,4,4',5-TCB |
8 |
3 |
ND-90,000 |
26,880 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
|
NR |
NR |
NR |
ND(500) |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
Pentachloro-PCB (MW=326.44) |
|||||||||||
126 3,3',4,4',5-PeCB |
18 |
1 |
ND-110 |
6.1 |
Dry |
South Central Finland |
Various |
88/89 |
1 |
A,B |
|
8 |
2 |
ND-10,000 |
2,380 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
||
NR |
NR |
NR |
ND(500) |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
105 2,3,3',4,4'-PeCB |
10 |
10 |
52-120 |
96.4 |
Dry |
South Central Finland |
Various |
88/89 |
1 |
A,B,C |
|
8 |
8 |
6,000-490,000 |
85,120 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
||
38 |
NR |
NR |
10,000 |
Dry |
Lake Ontario |
Various |
81 |
7 |
Bottom Sediment |
||
5 |
5 |
102,000-131M |
35.14M |
NR |
Waukegan, Illinois |
Urban |
78 |
9 |
5 Locations |
||
NR |
NR |
NR |
5,800 |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
114 2,3,4,4',5-PeCB |
8 |
1 |
ND-110,000 |
13,750 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
|
NR |
NR |
NR |
1,000 |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
118 2,3',4,4',5-PeCB |
8 |
8 |
86,000-1.48M |
351,620 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
|
38 |
NR |
NR |
15,000 |
Dry |
Lake Ontario |
Various |
81 |
7 |
Bottom Sediment |
||
NR |
NR |
NR |
11,000 |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
2 |
0 |
0.01 |
0.01 |
Dry |
Alicante, Spain |
Coastal |
89/90 |
17 |
|||
Hexachloro-PCB (MW=360.88) |
|||||||||||
156 2,3,3',4,4',5-HxCB |
38 |
NR |
NR |
2,100 |
Dry |
Lake Ontario |
Various |
81 |
7 |
Bottom Sediment |
|
NR |
NR |
NR |
1,700 |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
167 2,3',4,4',5,5'-HxCB |
8 |
2 |
ND-80,000 |
15,500 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
|
NR |
NR |
NR |
ND(500) |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
169 3,3',4,4',5,5'-HxCB |
18 |
0 |
ND(20-50) |
NA |
Dry |
South Central Finland |
Various |
88/89 |
1 |
A,B |
|
8 |
3 |
ND-19,000 |
4,800 |
Dry |
Eastern Wisconsin |
Industrial |
88/89 |
6 |
A,D |
||
NR |
NR |
NR |
ND(500) |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
||
Heptachloro-PCB (MW=396.33) |
|||||||||||
189 2,3,3',4,4',5,5'HpCB |
NR |
NR |
NR |
ND(500) |
Dry |
Green Bay, Lake Michigan |
Various |
NR |
16 |
A |
|
a
Key: A LOD (Ref. 1)=20 to 50 ppt, LOD (Ref. 6)=1,000 ppt, LOD (Ref. 16)=500 ppt.
B Dry Surface Sediments from 18 lakes.
C All collected samples not analyzed.
D Superfund/Michigan "Area of Concern" Site.
NOTES:
NR = Not Reported
NA = Not Applicable
ND = Not Detected
ppt = Parts per trillion
Sources:
1. Koistinen, et al. (1990) 9. Huckins, et al. (1988)
6. Sonzongi, et al. (1991) 16. Smith, et al. (1990)
7. Oliver and Nilmi (1988) 17. Prats, et al. (1992)