1993 Gulfwatch Metal Concentrations in ug/g DRY WEIGHT NEW BRUNSWICK Year Station Sample Ag Cd Cr Cu Pb Hg Ni Zn Al Fe % Solids 1993 St. Croix 1N 0.076 1.29 2.05 6.74 1.29 0.53 2.12 73.5 356 598 13.2 1993 St. Croix 2N 0.070 1.26 1.54 6.15 1.12 0.49 1.75 97.9 308 524 14.3 1993 St. Croix 3N 0.073 1.61 1.53 5.84 1.46 0.22 1.82 102.2 226 577 13.7 1993 St. Croix 4N 0.083 1.57 2.07 10.08 1.82 0.83 1.98 107.4 339 736 12.1 1993 Limekiln Bay 1N 0.030 1.64 1.27 6.27 1.27 0.22 1.94 82.1 269 500 13.4 1993 Limekiln Bay 2N 0.028 1.74 1.67 6.39 1.67 0.35 1.81 104.2 306 813 14.4 1993 Limekiln Bay 3N 0.033 3.17 1.63 5.93 2.52 4.63 2.60 113.8 325 626 12.3 1993 Limekiln Bay 4N 0.028 1.42 1.13 6.10 1.49 0.64 1.49 85.1 284 567 14.1 1993 Hospital Island 1N 0.116 1.65 1.04 4.39 0.85 2.80 1.16 67.1 73 213 16.4 1993 Hospital Island 2N 0.065 1.57 1.11 4.51 0.78 2.09 0.98 78.4 59 196 15.3 1993 Hospital Island 3N 0.187 1.74 1.29 6.26 1.10 1.87 1.16 90.3 84 271 15.5 1993 Hospital Island 4N 0.065 1.75 1.04 4.81 1.04 1.69 1.43 77.9 84 279 15.4 NOVA SCOTIA Year Station Sample Ag Cd Cr Cu Pb Hg Ni Zn Al Fe % Solids 1993 Digby 1N 0.228 1.54 1.79 6.83 4.39 1.06 2.03 113.8 480 797 12.3 1993 Digby 2N 0.076 1.52 1.59 6.89 3.48 1.21 1.82 106.1 432 644 13.2 1993 Digby 3N 0.553 2.28 2.28 7.48 3.66 1.38 2.03 113.8 325 626 12.3 1993 Digby 4N 0.198 1.74 1.98 7.11 4.21 3.64 1.57 115.7 413 645 12.1 1993 Broad Cove 1N 0.092 2.75 2.94 8.07 4.40 4.40 3.49 110.1 202 624 10.9 1993 Broad Cove 2N 0.064 2.94 2.20 6.88 3.58 2.11 2.57 137.6 202 550 10.9 1993 Broad Cove 3N 0.078 2.84 3.04 7.06 4.02 1.08 3.14 127.5 225 569 10.2 1993 Broad Cove 4N 0.068 3.31 1.95 7.29 3.31 0.93 2.71 118.6 263 517 11.8 1993 Yarmouth 1N 0.279 1.54 3.27 7.40 3.94 4.04 3.08 80.8 375 1087 10.4 1993 Yarmouth 2N 0.306 2.76 3.27 8.16 3.47 0.71 2.65 100.0 204 939 9.8 1993 Yarmouth 3N 0.411 2.00 2.53 7.26 3.26 1.79 2.63 92.6 211 874 9.5 1993 Yarmouth 4N 0.301 1.83 2.47 7.20 3.33 1.94 2.04 82.8 140 742 9.3 1993 Argyle Sound 1N 0.091 1.82 1.74 6.12 3.72 1.07 1.49 90.9 174 612 12.1 1993 Argyle Sound 2N 0.061 2.28 1.93 6.49 5.26 1.49 2.98 87.7 202 746 11.4 1993 Argyle Sound 3N 0.055 2.20 2.20 6.42 5.50 1.93 2.20 91.7 165 716 10.9 1993 Argyle Sound 4N 0.077 1.92 2.60 6.25 6.06 1.54 1.73 83.7 173 760 10.4 1993 Five Islands 1N 0.014 2.23 10.94 5.61 1.87 0.50 3.60 32.4 633 1295 13.9 1993 Five Islands 2N ND.002 3.98 3.23 6.34 1.51 0.65 3.33 65.6 1043 1430 9.3 1993 Five Islands 3N 0.019 3.30 3.79 6.60 1.65 0.87 3.59 70.9 796 1330 10.3 1993 Five Islands 4N ND.002 3.98 3.75 7.61 1.59 2.39 3.98 87.5 966 1386 8.8 MAINE Year Station Sample Ag Cd Cr Cu Pb Hg Ni Zn Al Fe % Solids 1993 Royal River 1N 0.044 2.31 1.76 8.46 1.87 1.32 1.87 108.8 253 484 9.1 1993 Royal River 2N 0.042 2.19 1.77 8.44 2.29 0.94 1.67 114.6 323 604 9.6 1993 Royal River 3N 0.042 1.98 1.77 8.75 2.29 1.67 1.67 114.6 292 583 9.6 1993 Royal River 4N 0.022 1.61 1.29 7.96 1.83 0.97 1.40 76.3 172 430 9.3 1993 Penobscot River 1N 0.132 1.72 1.46 7.95 1.52 0.46 1.13 79.5 106 265 15.1 1993 Penobscot River 2N 0.142 2.20 2.41 7.16 2.13 0.57 1.63 78.0 184 433 14.1 1993 Penobscot River 3N 0.069 1.88 1.88 7.64 1.74 0.63 1.25 76.4 90 347 14.4 1993 Penobscot River 4N 0.032 1.90 1.19 6.83 1.90 0.56 1.51 95.2 135 429 12.6 1993 Pickering Island 1N 0.151 1.76 1.09 5.38 1.34 0.25 1.34 117.6 59 218 11.9 1993 Pickering Island 2N 0.135 1.80 1.05 5.34 1.35 0.30 1.28 112.8 60 218 13.3 1993 Pickering Island 3N 0.197 1.46 1.61 4.89 1.02 2.04 1.24 109.5 66 241 13.7 1993 Pickering Island 4N 0.037 1.47 1.40 6.62 1.32 0.96 1.10 80.9 154 412 13.6 1993 Brave Boat Harbor 1N 0.252 2.94 3.45 7.14 2.61 0.76 3.19 126.1 151 429 11.9 1993 Brave Boat Harbor 2N 0.257 3.12 2.29 5.87 2.84 0.64 3.49 100.9 138 404 10.9 1993 Brave Boat Harbor 3N 0.230 3.10 2.04 6.81 2.65 0.35 2.83 123.9 142 425 11.3 1993 Brave Boat Harbor 4N 0.076 2.14 4.43 8.40 5.95 1.07 2.37 122.1 275 618 13.1 1993 Kennebec River 1N 0.078 2.56 2.64 7.83 1.55 0.39 1.47 72.1 132 357 12.9 1993 Kennebec River 2N 0.076 2.35 1.52 7.65 1.52 0.68 1.44 75.0 114 333 13.2 1993 Kennebec River 3N 0.069 1.79 1.52 7.59 1.24 0.41 1.24 63.4 124 317 14.5 1993 Kennebec River 4N 0.032 1.92 1.44 8.32 2.08 0.96 1.44 104.0 176 432 12.5 NEW HAMPSHIRE Year Station Sample Ag Cd Cr Cu Pb Hg Ni Zn Al Fe % Solids 1993 Clark Cove 1N 0.165 2.73 1.74 6.36 2.23 0.74 2.56 107.4 124 331 12.1 1993 Clark Cove 2N 0.066 2.46 3.44 8.44 6.97 0.66 2.87 147.5 303 590 12.2 1993 Clark Cove 3N 0.070 2.11 4.86 7.46 5.49 0.77 2.39 119.7 176 634 14.2 1993 Clark Cove 4N 0.080 2.24 3.20 7.76 6.72 0.80 2.56 128.0 144 584 12.5 1993 Hampton/Seabrook 1N 0.039 2.19 1.81 6.77 2.52 0.32 1.42 129.0 90 303 15.5 1993 Hampton/Seabrook 2N 0.059 2.19 2.13 6.51 2.60 0.83 1.72 112.4 124 325 16.9 1993 Hampton/Seabrook 3N 0.049 2.32 1.40 6.04 2.38 0.43 1.10 128.0 85 256 16.4 1993 Hampton/Seabrook 4N 0.053 1.71 1.12 6.47 2.00 0.29 1.18 123.5 76 212 17 MASSACHUSETTS Year Station Sample Ag Cd Cr Cu Pb Hg Ni Zn Al Fe % Solids 1993 Plymouth 1N 0.614 1.73 1.81 6.14 3.70 0.94 1.18 118.1 47 252 12.7 1993 Plymouth 2N 0.360 1.52 1.36 5.76 2.88 0.40 1.20 104.0 48 224 12.5 1993 Plymouth 3N 0.296 1.84 1.36 6.56 3.76 0.80 2.00 128.0 24 232 12.5 1993 Plymouth 4N 0.273 1.72 1.64 6.25 3.83 2.50 2.03 117.2 39 289 12.8 1993 Merrimac River 1N 0.152 3.18 2.42 6.14 4.77 0.76 1.59 113.6 45 371 13.2 1993 Merrimac River 2N 0.160 2.88 2.56 7.12 5.04 2.24 1.68 128.0 48 400 12.5 1993 Merrimac River 3N 0.153 2.29 2.75 6.34 4.58 0.76 1.53 114.5 46 427 13.1 1993 Merrimac River 4N 0.081 2.93 2.52 6.34 4.80 0.57 1.38 97.6 57 374 12.3 1993 Sandwich 1N 1.161 1.61 1.25 6.25 3.93 0.45 3.04 107.1 63 357 11.2 1993 Sandwich 2N 1.026 1.62 1.37 5.98 3.68 0.51 1.79 85.5 60 333 11.7 1993 Sandwich 3N 0.769 2.04 1.67 6.48 3.70 1.85 2.13 111.1 65 380 10.8 1993 Sandwich 4N 1.636 1.45 2.27 5.55 3.82 0.27 2.00 100.0 55 345 11 1993 MarbleHead 1N 0.344 1.30 2.34 5.97 3.18 1.10 1.56 123.4 97 338 15.4 1993 MarbleHead 2N 0.313 1.25 2.13 6.19 2.44 0.38 1.00 112.5 106 313 16 1993 MarbleHead 3N 0.195 1.01 1.89 5.72 2.89 0.38 1.07 113.2 75 277 15.9 1993 MarbleHead 4N 0.137 1.23 2.12 5.21 2.74 0.41 1.10 137.0 96 301 14.6 1993 Cohassett 1N 1.083 1.66 1.53 7.01 6.18 0.45 1.53 140.1 76 255 15.7 1993 Cohassett 2N 2.533 1.33 1.73 7.33 4.87 0.73 1.13 113.3 73 287 15 1993 Cohassett 3N 2.071 1.43 1.86 7.14 5.43 0.50 1.43 135.7 107 329 14 1993 Cohassett 4N 1.083 1.27 1.40 6.11 4.46 0.51 1.08 121.0 76 248 15.7 1993 Long Island 1N 0.433 1.63 3.05 8.51 9.93 0.85 1.28 170.2 163 496 14.1 1993 Long Island 2N 0.522 1.57 2.99 8.96 9.70 1.27 1.12 186.6 194 485 13.4 1993 Long Island 3N 0.489 1.65 2.63 8.27 7.52 0.98 1.65 157.9 135 436 13.3 1993 Long Island 4N 3.333 1.83 3.08 9.17 9.17 1.25 1.92 166.7 167 583 12 "In 1993 there were no transplant experiments, thus all samples were of indigenous mussels (N) only"