Table F7.†Concentrations of 11 metals in crab and clam tissue samples, 1998-1999 | |
All units expressed as wet weight. MDL = Method detection limit. M = crab muscle, H = crab hepatopancreas, All = clam soft tissue, NA = Not available (not measured), ND = Analyte below detection limit, Sample ID is a unique identifier for each sample. |
Sample ID |
Date |
Station |
Species |
Tissue Analyzed |
# Homogenized |
Average Length |
% Moisture |
Total Arsenic |
Inorganic Arsenic |
Aluminum |
Chromium |
Manganese |
Nickel |
Copper |
Zinc |
Silver |
Cadmium |
Lead |
Iron |
cm |
% |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g |
µg/g | |||||||
C981A01 |
4/8/1998 |
Burlingame (South Bay) |
Tapes Japonica Clam |
All |
25 |
NA |
87.5 |
2.17 |
NA |
133 |
0.68 |
7.52 |
1.64 |
1.5 |
13 |
0.36 |
0.25 |
0.19 |
119 |
C982A01 |
4/8/1998 |
Fruitvale Bridge (Oakland) |
Tapes Japonica Clam |
All |
25 |
NA |
88.0 |
2.31 |
NA |
99 |
0.85 |
3.68 |
1.24 |
1.8 |
23 |
0.13 |
0.23 |
0.46 |
105 |
C993A01 |
9/28/1999 |
Municipal Pier (SF Waterfront) |
Red Rock Crab |
M |
10 |
12.3 |
82.0 |
3.09 |
ND |
12.4 |
0.40 |
0.48 |
0.23 |
8.8 |
40 |
0.09 |
0.02 |
0.014 |
NA |
C993A02 |
9/28/1999 |
Municipal Pier (SF Waterfront) |
Red Rock Crab |
M |
10 |
12.2 |
80.0 |
3.34 |
ND |
14.8 |
0.54 |
0.50 |
0.25 |
8.9 |
46 |
0.09 |
0.02 |
0.014 |
NA |
C993A03 |
9/28/1999 |
Municipal Pier (SF Waterfront) |
Red Rock Crab |
H |
20 |
12.3 |
83.8 |
2.56 |
0.023 |
2.2 |
0.18 |
1.10 |
0.19 |
17.0 |
15 |
0.19 |
5.02 |
0.040 |
NA |
C993B01 |
9/29/1999 |
Fort Baker |
Red Rock Crab |
M |
10 |
11.1 |
78.3 |
3.18 |
ND |
11.6 |
0.34 |
0.55 |
0.11 |
11.4 |
46 |
0.10 |
0.01 |
0.050 |
NA |
C993B02 |
9/29/1999 |
Fort Baker |
Red Rock Crab |
M |
10 |
11.3 |
81.0 |
2.91 |
ND |
12.2 |
0.45 |
0.37 |
0.19 |
10.2 |
36 |
0.11 |
0.02 |
0.038 |
NA |
C993B03 |
9/29/1999 |
Fort Baker |
Red Rock Crab |
H |
20 |
11.2 |
79.5 |
2.60 |
0.030 |
7.2 |
0.31 |
1.73 |
0.40 |
22.1 |
20 |
0.25 |
7.16 |
0.055 |
NA |
C993C01 |
9/30/1999 |
Pier 7â€
(SF Waterfront) |
Red Rock Crab |
M |
10 |
12.1 |
78.1 |
2.88 |
ND |
10.0 |
0.62 |
0.64 |
0.09 |
8.5 |
44 |
0.07 |
0.03 |
0.017 |
NA |
C993C02 |
9/30/1999 |
Pier 7â€
(SF Waterfront) |
Red Rock Crab |
M |
10 |
11.2 |
76.8 |
2.85 |
ND |
12.4 |
0.63 |
0.75 |
0.28 |
9.9 |
49 |
0.07 |
0.01 |
0.019 |
NA |
C993C03 |
9/30/1999 |
Pier 7â€
(SF Waterfront) |
Red Rock Crab |
H |
20 |
11.7 |
72.4 |
3.22 |
0.029 |
12.4 |
0.52 |
2.13 |
0.50 |
38.3 |
31 |
0.36 |
10.75 |
0.053 |
NA |
MDL |
MDL |
0.04 |
0.002 |
0.05 |
0.03 |
0.003 |
0.006 |
0.003 |
0.02 |
0.01 |
0.002 |
0.002 |