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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 7† (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 7† (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 7† (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

 


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