APPENDIX B. Raw sediment sampling data.

Nutrients (uM) [MMHg](ng/g) HgT (ng/g) MMHg/Hgt

Station # Station Name Date Time grainsize depth (ft) Latitude Longitude NO3 PO4 Silica Sand (%) Silt/Clay (%) LOI (%) H20 T (C) pH Sed 1 Sed 2 Sed 1 Sed 2 Sed 1 Sed 2 30 Sac River Deep Water channel 10/26/99 silt/clay 20 38.3419 121.6453 27.2 3.6 268 11.31 88.69 2.7 0.49 194.7 0.0025 31 Sac River Deep h20 chan. 10/26/99 sand/silt/clay 37 38.3064 121.6542 26.6 2.67 350+ 35.23 64.77 1.9 35 Prospect Slough 10/27/99 clay 38.2583 121.6736 32.0 5.30 247 93.11 6.89 1.5 0.12 113.3 0.0011 36 Cache Slough 10/27/99 1200 silt 38.2883 121.7217 108 7.60 271 0.25 99.75 2.4 0.26 130.7 125.3 0.0020 38 Prospect Island Slough 10/26/99 silt/sand 20 38.2600 121.6711 21.1 2.54 274 55.21 44.79 1.4 0.18 323.8 0.0005 39 Prospect Slough 10/26/99 3 38.6373 121.6806 22.4 2.64 256 5.50 94.50 2.3 0.28 124.6 0.0022 41 Garcia Bend, Sac River 10/27/99 1430 sand 20 38.4980 121.5591 7.6 1.07 275 99.83 0.17 0.4 15.0 7.23 Old River 10/26/99 silt 22 37.9542 121.5700 18.5 2.15 200 74.45 25.55 1.8 17.8 7.70 0.08 84.1 0.0009 81 Old River 10/26/99 1405 silt 2 37.9783 121.5808 15.3 1.90 216 6.73 93.27 3.9 17.5 7.78 0.57 Kimball Island 12/01/99 1315 silt 5 38.0228 121.8094 20.66 79.34 2.0 0.40 0.49 235.7 192.1 0.0017 0.0025 105 San Joaquin River 12/01/99 1337 silt 38.0253 121.8419 5.52 94.48 2.4 0.44 0.21 250.9 228.5 0.0017 0.0009 106 Island in Sherman Lake 12/01/99 1248 silt 38.0464 121.8042 0.06 99.94 1.9 0.51 226.6 0.0023 107 Mainland off Brown's Island 12/01/99 1450 clay 38.0336 121.8697 1.14 98.86 6.8 0.38 100.2 0.0038 108 Brown's Island 12/01/99 1405 silt 38.0458 121.8631 1.13 98.87 2.4 0.71 270.5 0.0026 109 Sac River Deep h20 chan. 12/01/99 1225 silt 38.0636 121.8067 0.03 99.97 2.5 1.07 372.2 0.0029 110 SJR 12/01/99 1150 silt/sand 38.0739 121.8439 44.64 55.36 3.5 0.42 266.8 0.0016 111 Mallard Island 12/01/99 1036 silt 38.0423 121.9167 1.28 98.72 2.2 0.29 286.6 0.0010 112 Suison Bay 12/01/99 758 silt 38.0559 121.9281 6.83 93.17 2.4 1.00 245.1 0.0041 113 Van Sickel Isl Slough 12/01/99 920 sand/silt/clay 38.0698 121.9119 58.71 41.29 2.4 0.18 186.3 0.0010 114 Montezuma Slough 12/01/99 1106 silt 38.0720 121.8711 1.68 98.32 3.0 0.60 249.0 0.0024 115 Suison Bay 12/01/99 945 silt 38.0817 121.9206 8.44 91.56 2.5 0.83 483.3 0.0017 116 Honker Bay 12/01/99 830 silt/sand 38.0686 121.9195 96.52 3.48 1.2 Roe Island Marsh 11/18/99 1445 silt/sand 10 38.0864 122.0500 45.53 54.47 2.0 0.16 189.6 0.0009 123 Suison Bay Marsh 11/18/99 1220 silt 5.7 38.1342 122.0425 0.46 99.54 2.0 0.28 178.1 250.5 0.0015 124 Suison Bay Marsh 11/18/99 1300 silt/clay/peat 2 38.1345 122.0509 19.44 80.56 3.1 347.0 125 Grizzly Island 11/18/99 1349 silt/sand 1 38.1369 122.0461 2.16 97.84 3.7 0.98 574.5 0.0017 126 Joyce Island 11/18/99 1200 silt 38.1286 122.0617 0.27 99.73 1.9 0.59 352.6 0.0017 127 Montezuma Slough 11/18/99 1133 silt 38.1425 122.0595 0.41 99.59 1.7 0.64 273.1 0.0023 128 Joyce Island 11/18/99 1100 clay 38.1622 122.0478 0.04 99.96 3.2 9.34 414.4 0.0225 129 Suison Slough 11/18/99 1000 silt 4 38.1678 122.0672 0.11 99.89 1.3 0.53 336.7 0.0016 130 Suison Bay 11/18/99 1500 silt 4 38.1036 122.0645 2.66 97.34 2.1 0.26 334.8 0.0008 131 Goodyear Slough 11/29/99 1520 silt 38.0964 122.0769 0.71 99.29 3.0 0.80 340.2 0.0024 132 Goodyear Slough 11/29/99 1450 silt 2 38.0853 122.0897 1.26 98.74 2.3 0.58 393.5 0.0015 134 S. Hampton Bay Marsh 11/16/99 silt 38.0656 122.1911 0.43 99.57 1.8 1.38 526.7 0.0026 136 SPB @ Napa River 11/16/99 1240 silt/sand 38.0720 122.2506 55.06 44.94 1.8 0.19 199.0 0.0010 137 SPB Marsh/Napa River Mouth 11/16/99 silt 38.0717 122.2392 18.91 81.09 2.5 0.24 139 Mare Isl Naval Rsrv. 11/15/99 1412 silt 2 38.0747 122.2834 0.06 99.94 2.3 0.28 323.6 0.0009 140 Mare Isl Naval Rsrv. 11/15/99 1440 silt 38.0698 122.2892 0.48 99.52 2.2 0.14 302.9 0.0004 141 Good Luck Pt. Marsh 11/16/99 silt/clay 38.1847 122.3036 0.12 99.88 2.2 266.6 143 Aarowhead pt Napa river 11/16/99 815 silt/clay 4 38.1462 122.2783 0.16 99.84 2.4 0.33 350.2 0.0009 144 SPB Around Davis Point 11/16/99 940 silt/sand 3 38.0409 122.2653 25.62 74.38 0.8 San Pablo Bay 11/17/99 1445 silt 38.0961 122.4420 3.92 96.08 2.3 0.19 322.9 0.0006 156 SPB NWR 11/17/99 1504 silt 38.1078 122.4420 3.11 96.89 2.5 0.14 278.8 0.0005 158 Petaluma Point Marsh 11/17/99 820 silt/sand 38.1058 122.4806 0.72 99.28 2.3 0.10 322.0 0.0003 159 Petaluma River 11/17/99 1543 silt 38.1223 122.5092 0.33 99.67 2.5 0.36 332.7 0.0011 160 San Pablo Bay 11/17/99 1414 silt/sand 38.0450 122.4761 7.34 92.66 2.0 0.14 316.2 0.0004 161 San Pablo Bay 11/17/99 1350 silt/sand 38.0178 122.4653 6.44 93.56 2.2 0.21 286.0 0.0007 162 SPB NWR 11/17/99 1115 silt 38.0345 122.4895 2.52 97.48 2.4 0.19 355.9 0.0005 163 Gallinas Creek Mouth 11/17/99 1200 silt/clay 38.0161 122.4931 3.71 96.29 2.8 0.23 360.9 0.0006 164 Pt. San Pedro Bay 11/17/99 1240 silt/sand 37.9820 122.4648 29.49 70.51 2.3 0.07 676.9 0.0001 169 Smith canal@parshingRd 10/27/99 1155 silt/sand 3.5 37.9695 121.3136 20.8 1.64 295 19.69 80.31 2.2 0.22 253.4 0.0009 171 SJR N. of Hwy 4 10/27/99 1310 sand 1 37.9286 121.3281 104 4.88 265 86.40 13.60 0.6 0.07

CALFED Mercury Project - MLML Final Report Appendix B Page B1 of B4

APPENDIX B Continued. Raw sediment sampling data.

Nutrients (uM) [MMHg](ng/g) HgT (ng/g) MMHg/Hgt

Station # Station Name Date Time grainsize depth (ft) Latitude Longitude NO3 PO4 Silica Sand (%) Silt/Clay (%) LOI (%) H20 T (C) pH Sed 1 Sed 2 Sed 1 Sed 2 Sed 1 Sed 2 223 PG&E pond 11/05/99 silt/clay 2 31.5233 121.6309 8.52 91.48 1.86 579.0 0.0032 224 Toe Drain 11/05/99 silt/clay 38.5297 121.5892 24.24 75.76 0.62 130.0 0.0047 225 Sac Slough @ Sac Ave 11/05/99 1520 clay 38.7845 121.6122 73.48 26.52 1.47 64.5 0.0228 226 Greens Lake 11/05/99 1121 silt/clay 33.5551 121.5996 10.22 89.78 0.45 146.0 0.0031 227 Sherman Island Ag Drain 11/09/99 1450 silt/sand 4 38.0856 121.6900 2.73 97.27 3.0 1.53 75.0 0.0204 227 Sherman Island Ag Drain 11/09/99 1450 silt/sand 4 38.0856 121.6900 2.73 97.27 3.0 1.53 75.0 0.0204 228 Brannon Island Ag Drain 11/09/99 1630 silt 4 38.1230 121.6637 0.31 99.69 0.85 Roberts Island 11/04/99 1557 sand/peat 37.9586 121.3820 70.04 29.96 0.55 50.0 0.0110 233 Consumnes R @ Grizzley Slough 11/10/99 1400 sand/clay 38.2527 121.4060 75.25 24.75 2.5 275.3 237 E. Natomas 11/05/99 silt/clay 38.6076 121.4949 8.19 91.81 0.85 202.0 0.0042 238 "old F&G pond" 11/05/99 silt/clay 33.5527 121.6317 7.96 92.04 2.53 271.0 0.0093 239 King Island 11/04/99 1742 silt/clay 2 38.0590 121.4570 48.40 51.60 0.91 Richardson Bay 12/08/99 1132 silt/clay 6 37.8917 122.4997 1.89 98.11 0.89 210.2 0.0042 271 Rich Bay, Sausalito Pt. 12/08/99 1255 silt/clay 37.8614 122.4870 8.72 91.28 0.54 407.9 0.0013 272 SFB near Brooks Island 12/08/99 926 sand 37.9089 122.3764 68.58 31.42 0.47 533.7 0.0009 273 SFB near Richmond Inner Harbor 12/08/99 725 sand 37.9145 122.3334 51.73 48.27 3.53 129.3 0.0273 274 SFB Inside Pt. Isabel 12/08/99 1400 silt/sand 37.8958 122.3156 72.30 27.70 0.36 341.8 0.0011 276 SFB off Emeryville Crescent, South 12/07/99 835 silt 37.8333 122.2970 6.49 93.51 0.48 405.0 0.0012 278 SFB Near Oaklland Bay Bridge 12/07/99 755 silt 37.8114 122.3387 4.53 95.47 1.37 257.4 0.0053 279 SFB off San Francisco 12/09/99 1110 sand 37.8089 122.4206 35.31 64.69 0.60 211.4 0.0029 281 SFB off Oakland Inner Harbor Channel 12/07/99 910 silt 37.8000 122.3300 14.62 85.38 0.55 232.4 0.0024 282 Oakland Inner Harbor 12/07/99 1305 silt/clay 37.7909 122.2636 27.63 72.37 2.10 1122.0 0.0019 283 Oakland Inner Harbor Brooklyn basin 12/07/99 1245 silt/sand 37.7864 122.2470 61.54 38.46 7.82 9433.3 0.0008 284 Oakland Inner Harbor/ 12/07/99 1220 silt/sand 37.7692 122.2303 54.59 45.41 0.99 716.6 0.0014 285 SLB 12/07/99 1025 silt/sand 37.7600 122.2164 18.55 81.45 4.90 1013.8 0.0048 286 SLB 12/07/99 1040 silt/sand 37.7512 122.2098 26.18 73.82 1.22 551.3 0.0022 287 San Leandro Bay@SL Crk 12/07/99 1100 silt/sand 37.7428 122.2081 1.38 848.8 0.0016 288 Mid-San Leandro Bay 12/07/99 1140 silt/sand 37.7512 122.2225 43.72 56.28 1.07 1270.6 0.0008 289 San Leandro bay Mouth 12/07/99 1115 sand 37.7522 122.2475 63.90 36.10 0.64 118.4 0.0054 290 SFB Inner Channel 12/09/99 1042 silt 37.7770 122.3894 0.31 99.69 1.07 355.6 0.0030 291 SFB Islais Creek Channel 12/09/99 1006 silt 37.7464 122.3920 4.37 95.63 3.05 512.7 0.0060 292 SFB India Basin 12/09/99 939 silt 37.7325 122.3695 2.12 97.88 0.96 211.9 0.0045 294 SFB Near Oakland Airport 12/15/99 1205 silt 37.6992 122.2009 14.15 85.85 0.28 228.6 0.0012 295 SFB near Oyster Point 12/09/99 1215 sand 37.6684 122.3922 49.91 50.09 0.26 218.2 0.0012 299 SFB off Mulford Gardens 12/15/99 1230 silt/aq weed 37.6706 122.2209 4.74 95.26 0.54 287.2 0.0019 302 Wiest Lake 12/06/99 1450 silt 3 33.0419 115.4922 81.41 18.59 0.06 303 SFB N San Mateo Bridge 12/06/99 1415 sand 37.5786 122.2622 63.48 36.52 0.48 182.4 0.0026 304 SFB near Coyote Point 12/02/99 1230 silt 37.5911 122.3253 3.34 96.66 0.48 270.3 0.0018 305 SFB near SFO 12/02/99 1104 silt 37.6067 122.3745 4.01 95.99 0.29 397.9 0.0007 306 SFB near SFO 12/02/99 1135 silt 37.6200 122.3622 4.69 95.31 1.10 284.8 0.0039 307 SFB near SFO 12/02/99 1202 silt 37.6306 122.3742 8.00 92.00 1.18 216.5 0.0054 308 SFB near SFO 12/02/99 1146 silt 37.6294 122.3853 0.36 99.64 0.48 303.8 0.0016 309 SFB Redwood Creek 12/06/99 1450 silt 37.5464 122.1953 7.35 92.65 0.55 372.5 0.0015 310 SFB Marsh/Coyote Hills Slough channel 12/06/99 1212 clay 37.5670 122.1056 0.27 99.73 15.89 192.6 0.0825 311 Dust Marsh, SFB/Coyote Hills Slough 12/07/99 1415 silt 37.5542 122.0886 11.43 88.57 0.44 103.1 0.0043 312 SFB Marsh/ Coyote Hills Slough South 12/06/99 1244 sand 37.5558 122.1383 84.89 15.11 0.11 76.1 0.0014 313 SFB Mudflat 12/06/99 1320 silt/sand 37.5469 122.1489 37.32 62.68 0.22 239.5 0.0009 314 SFB Marsh/Mudflat 12/06/99 1258 silt/sand 37.5359 122.1197 59.13 40.87 0.12 111.4 0.0011 315 SFB Mudflat 12/06/99 1335 silt/clay 37.5209 122.1695 17.23 82.77 0.35 274.4 0.0013 316 SFB near Cooley Landing 12/10/99 1240 silt 37.4756 122.1117 2.55 97.45 0.68 316.6 0.0021 317 SFB/ South Bay Central channel 12/10/99 944 silt 20 37.4850 122.0811 14.86 85.14 0.63 348.3 0.0018 318 South SFB Marsh 12/10/99 1204 silt 37.4625 122.0783 2.25 97.75 0.53 320.9 0.0017 319 SFB/Coyote Creek Mouth 12/10/99 1005 silt/clay 37.4633 122.0511 0.82 99.18 0.74 333.4 0.0022 320 Guadalupe Slough mouth 12/10/99 1138 silt 37.4522 122.0336 4.24 95.76 0.79 369.1 0.0021 321 Guadalupe Slough @ Sunnyvale 12/10/99 1115 silt 37.4334 122.0236 7.48 92.52 1.13 321.4 0.0035 322 Alviso Slough 12/10/99 1055 silt/clay 37.4422 122.0053 1.75 98.25 1.25 524.5 0.0024 323 Colorado R. upstream Emperial Dam 12/07/99 1030 silt 2 32.9022 114.4633 77.31 22.69 0.05 576.9 0.0001 324 Monry South SFB Mudflat 12/10/99 1214 silt 37.6247 122.0603 0.16 99.84 0.69 391.8 0.0018 351 Cosumnes at 49 A flowing 10/13/99 Sand 38.5573 120.8697 99.81 0.19 0.30 25.2 0.0119 351 Cosumnes at 49 B flowing 10/13/99 38.5573 120.8697 351 Cosumnes at 49 C flowing 10/13/99 38.5573 120.8697 0.70 29.0 0.0241 352 Cosumnes Middle Fork 10/15/99 Sand/Silt 38.6243 120.6995 99.91 0.09 0.13

CALFED Mercury Project - MLML Final Report Appendix B Page B2 of B4

APPENDIX B Continued. Raw sediment sampling data.

Station Name Date/Time Latitude Longitude water depth ft grainsize (field observe) Silt/Clay (%) LOI (%) [MMHg](ng/g) HgT (ng/g) MMHg/Hgt Mandeville Cut /under hydrilla/0-.5/rep 1 5/20/2001 38.06152 121.53774 6 clay 21.08 3.84 170 0.0226 Mandeville Cut /under hydrilla/1-3.0/rep 1 5/20/2001 38.06152 121.53774 6 clay 19.96 2.26 149 0.0152 Mandeville Cut /mid/0-.5/rep 1 5/20/2001 38.06152 121.53774 6 peat 16.14 0.83 125 0.0066 Mandeville Cut /mid/1-3.0/rep 1 5/20/2001 38.06152 121.53774 6 peat 15.74 0.90 140 0.0064 Mandeville Cut /mid/0-.5/rep 2 5/20/2001 38.06152 121.53774 6 peat 17.23 0.74 711 0.0010 Mandeville Cut /mid/1-3.0/rep 2 5/20/2001 38.06152 121.53774 6 peat 15.85 1.13 92.4 0.0122 Mandeville Cut /channel/0-.5/rep 1 5/20/2001 38.05840 121.54008 6 sandy/silt 51.48 0.52 Mokelumne River @ Hwy 49 coarse sieved 10/17/2001 38.31247 120.72070 0.89 0.047

CALFED Mercury Project - MLML Final Report Appendix B Page B3 of B4

APPENDIX B Continued. Raw sediment sampling data.

Station Name Date Time Latitude Longitude grainsize (field observe) Sample Area Water Depth ft Macrofauna Relative to Aquative Veg Water Temp (C*) Current % LOI [MMHg]dry ng/g [HgT]dry ng/g Ratio Cosumnes River 09/26/00 930 38.258 121.426 Sandy/Silt Middle of Back channel 5 none edge of egeria bank 19.2 still 7.32 0.50 306 0.002 Cosumnes River 10/24/00 857 38.258 121.426 Sandy/Silt Middle of Back channel 4 none side of egeria bank still 6.72 0.99 357 0.003 Cosumnes River 12/12/00 1000 38.258 121.426 Sandy/Silt side of channel 5 none 4 ft from egeria bank 11.9 still 7.99 1.63 315 0.005 Cosumnes River 01/31/01 1300 38.258 121.426 Sandy/Silt side of channel 5 none 2 ft from egeria bank 7.6 still 8.48 2.33 270 0.009 Cosumnes River 03/01/01 1030 38.258 121.426 Sandy/Silt in sparse egeria bank 5 none in sparse egeria bank 4.81 1.90 234 0.008 Cosumnes River 03/26/01 1630 38.258 121.426 sandy/silt in sparse egeria bank 6 none in sparse egeria bank 6.98 1.23 333 0.004 Cosumnes River 04/19/01 1607 38.258 121.426 Sandy/Silt in sparse egeria bank 6 none in sparse egeria bank slow 5.72 0.85 301 0.003 Cosumnes River 05/20/01 1200 38.258 121.426 Sandy/Silt in sparse egeria bank 6 none in sparse egeria bank slow 6.56 1.00 380 0.003 Cosumnes River 06/11/01 1521 38.258 121.426 Sandy/Silt in sparse egeria bank 4 none in sparse egeria bank still 6.36 0.91 306 0.003 Cosumnes River 06/25/01 1515 38.258 121.426 Sandy/Silt in sparse egeria bank 4 none in sparse egeria bank still 6.10 0.86 205 0.004 Cosumnes River 07/16/01 1200 38.258 121.426 Sandy/Silt in sparse egeria bank 4 none in sparse egeria bank still 6.96 4.54 382 0.012 Cosumnes River 07/30/01 1600 38.258 121.426 Sandy/Silt in sparse egeria bank 4 none in sparse egeria bank still 5.40 274 0.020 Cosumnes River 08/15/01 1030 38.258 121.426 Sandy/Silt in sparse egeria bank 4 none in sparse egeria bank still 6.01 4.37 230 0.019 Cosumnes River 08/27/01 38.258 121.426 Sandy/Silt in sparse egeria bank 4 none in sparse egeria bank still 5.14 4.15 273 0.015 Cosumnes River 10/17/01 38.258 121.426 clay backwater 4 none within abundance of SAV 17 still 8.67 1.80 249 0.007 Little Holland 6/26/00 1515 38.290 121.662 clay side of channel 7 amphipods 15 ft from tule bed slow 0.17 121 0.001 Little Holland 7/25/00 1024 38.290 121.662 silt/clay Side of channel 6 small worms 10 ft from tule bank still/slow 0.90 265 0.003 Little Holland 9/5/00 10:10 38.290 121.662 clay/sand side of tule bank 4 none 5 ft from tule bank still/slow 0.90 114 0.008 Little Holland 9/27/00 10:38 38.290 121.662 clay side of tule bank 3 none 10 ft from tule bank still 0.66 72.9 0.009 Little Holland 10/31/00 38.293 121.661 silt slow 0.13 80.1 0.002 Little Holland 2/27/01 1400 38.286 121.665 silt clay 4 Corbicula 12.7 slow 0.84 203 0.004 Little Holland 4/10/01 1205 38.289 121.662 silt/sand/clay side of bank 4 none 10 ft from tule bank 15 slow 0.45 164 0.003 Little Holland 4/19/01 1430 38.290 121.662 silt/clay side of channel 6 Corbicula 10 ft from tule bank slow 1.92 109 0.018 Little Holland 5/22/01 1440 38.290 121.662 silt side of channel 6 none 5 ' slow 1.02 135 0.008 Little Holland 6/11/01 1713 38.290 121.662 silt/clay side of channel 2 none 4 ft from bank still/slow 1.02 91.7 0.011 Liittle Holland 7/16/01 1300 38.290 121.662 silt/clay side of channel 4 none 4 ft from bank still 1.17 112 0.010 Little Holland 7/31/01 820 38.290 121.662 silt/clay/sand side of channel 4 none 4 ft from bank still 1.00 88.8 0.011 Little Holland 8/15/01 1130 38.290 121.662 silt/clay side of channel 4 none 20 ft from tule still 7.89 1.45 84.4 0.017 Little Holland 8/27/01 38.290 121.662 silt/clay side of channel 4 none 20 ft from tule stil 1.35 269 0.005 Franks Tract 5/28/00 1315 38.053 121.592 silt/clay flooded tract 7 Corbicula 9.31 0.86 172 0.005 Franks Tract 6/26/00 18:25 38.052 121.591 silt open water 6 none middle of tract slow/still 9.12 0.35 117 0.003 Franks Tract 7/25/00 1416 38.053 121.591 silt Open tract 8 none middle of tract still 9.51 0.91 157 0.006 Franks Tract 9/5/00 14:17 38.052 121.592 silt open tract 6 none Open Tract still 9.24 0.79 120 0.007 Franks Tract 9/23/00 17:22 same site silt flooded tract 9 none 6 cm from Elodea still 10.16 0.82 196 0.004 Franks Tract 10/23/00 14:07 38.053 121.592 silt Open tract 8 clam shell around sparse egeria still 9.68 1.99 162 0.012 Franks Tract 12/12/00 11:50 38.053 121.592 silt Open tract 8 none around sparse egeria 11.7 still 10.41 2.23 196 0.011 Franks Tract 2/8/01 10:30 38.053 121.592 silt open tract 8 none around sparse egeria 8.0 still 9.93 1.91 152 0.013 Franks Tract 2/28/01 1519 38.052 121.592 silt Open tract 7 none around sparse egeria still/slow 11.13 2.23 146 0.015 Franks Tract 3/26/01 1230 38.053 121.592 silt open tract 8 none around sparse egeria slow 11.32 2.53 199 0.013 Franks Tract 4/19/01 1150 38.053 121.592 silt Open tract 8 Corbicula around sparse egeria slow 9.26 1.39 161 0.009 Franks Tract 5/18/01 38.053 121.592 silt flooded farm 8 Corbicula around sparse egeria medium 10.17 0.96 147 0.007 Franks Tract 6/11/01 1210 38.052 121.592 silt Open tract 8 none around sparse egeria slow 9.13 0.55 157 0.004 Franks Tract 6/25/01 38.052 121.592 silt Open tract 8 none around sparse egeria slow 10.19 0.76 193 0.004 Franks Tract 7/16/01 1100 38.053 121.592 silt Open tract 8 none around sparse egeria still/slow 8.31 0.44 157 0.003 Franks Tract 7/30/01 1315 38.053 121.592 silt Open tract 8 none around sparse egeria slow 2.78 202 0.014 Franks Tract 8/15/01 1230 38.053 121.592 silt Open tract 8 Corbicula around sparse egeria still 9.63 5.81 143 0.041 Franks Tract 8/27/01 38.053 121.592 silt Open tract 8 none around sparse egeria still 9.06 3.76 187 0.020 Franks Tract 10/19/01 38.052 121.592 flooded farm 9.18 0.51 189 0.003 White Slough 6/1/00 38.087 121.478 silt side of egeria bank 3 under egeria still 10.10 0.81 222 0.004 White Slough 6/26/00 17:30 38.087 121.478 silt side of egeria bank 6 amphipods on edge of egeria still/slow 10.35 1.12 197 0.006 White Slough 7/25/00 1300 38.087 121.478 silt side of egeria bank 8 amphipods side of egeria bank still 10.83 1.16 193 0.006 White Slough 9/5/00 13:24 38.087 121.478 silt side of egeria bank 10 none 10 ft from egeria Bank still 10.55 0.66 185 0.004 White Slough 9/23/00 38.087 121.478 silt side of egeria bank 6 none under and within egeria still 11.04 1.60 199 0.008 White Slough 10/23/00 13:02 38.087 121.478 silt side of egeria bank 7 none 2-4 ft from egeria bank still/slow 16.59 1.62 188 0.009 White Slough 12/12/00 11:00 38.087 121.478 silt side of egeria bank 6 none 2 ft from egeria bank 11.9 still/slow 11.16 0.57 155 0.004 White Slough 2/8/01 9:54 38.087 121.478 silt side of egeria bank 6 none 8.2 still 11.66 1.71 161 0.011 White Slough 3/26/01 13:40 38.087 121.478 silt side of egeria bank 6 none edge of egeria bank stiil/slow 9.85 0.80 157 0.005 White Slough 4/19/01 10:20 38.087 121.478 silt side of egeria bank 6 none still slow 10.36 0.91 186 0.005 White Slough 5/24/01 38.087 121.479 silt side of egeria bank 13 corbicula on peat shelf slow 13.72 1.73 185 0.009 White Slough 7/16/01 38.087 121.478 silt side of egeria bank 6 none still 11.50 1.14 166 0.007 White Slough 8/27/01 38.087 121.478 silt side of egeria bank 6 none still 10.77 7.55 167 0.045 White Slough 10/20/01 38.087 121.478 side of egeria bank 12 none 5 ft from egeria 12.84 2.20 181 0.012 Connection Slough 5/29/00 3:36 38.013 121.556 silt bank 6 none edge of Elodea Bank 22.1 slow 10.69 5.66 124 0.046 Connection Slough 6/26/00 18:55 38.013 121.557 silt side of channel 12 none 15 ft from tule bed still/slow 15.84 1.92 167 0.011 Connection Slough 7/25/00 1533 38.012 121.557 silt side of egeria bank 6 none edge of egeria Bank still 13.27 1.26 164 0.008 Connection Slough 9/5/00 14:49 38.012 121.558 silt side of tule bank 6 none 4 ft from tulle bank stil/slow 13.39 0.80 185 0.004 Connection Slough 9/25/00 1334 same site silt backwater 10.5 5 ft still/slow 1.47 84.2 0.017 Connection Slough 10/24/00 14:35 38.012 121.557 silt side of egeria bank 6 none under egeria bank still 13.87 2.74 205 0.013 Connection Slough 12/12/00 12:18 38.012 121.557 silt side of egeria bank 5 none under sparse egeria bank 12 still 13.56 1.82 156 0.012 Connection Slough 2/8/01 11:00 38.012 121.557 silt side of egeria bank 6 none 4 ft from egeria bank 8 still 12.23 2.62 128 0.020 Connection Slough 2/28/01 1640 38.012 121.557 silt side of egeria bank 4 amphipods on edge of egeria bank still 1.95 119 0.016 Connection Slough 3/26/01 13:15 38.012 121.557 silt side of egeria bank 4 none side of egeria bank still 11.57 1.40 81.1 0.017 Connection Slough 4/19/01 1200 38.012 121.537 silt side of egeria bank 6 none side of egeria bank still 11.67 2.95 142 0.021 Connection Slough 5/19/01 1231 38.012 121.537 silt side of egeria bank 4 none 5 ft from egeria bank still 14.72 4.79 159 0.030 Connection Slough 6/25/01 1100 38.012 121.537 silt side of egeria bank 4 none 5 ft from egeria bank still 20.05 6.95 177 0.039 Connection Slough 7/16/01 1145 38.012 121.537 silt side of egeria bank 4 none 6 ft from egeria bank still 11.11 2.74 170 0.016 Connection Slough 7/30/01 same site 16.46 1.10 209 0.005 Connection Slough 8/27/01 38.012 121.537 silt side of tule bank 4 none 20 ft from egeria bank still 17.43 0.76 161 0.005 Sherman Island 6/1/2000 12:00 38.041 121.819 sand/silt Marsh habitat small channels 6.3 corbicula 40 ft 21.4 slow/medium 0.35 48.2 0.007 Sherman Island 6/27/2000 10:05 38.041 121.819 silt side of tule bank 4 none 30 ft from tule still 2.59 217 0.012 Sherman Island 7/26/2000 12:00 38.041 121.819 sand silt side of tule bank 6 amphipods 3 ft from tule bank still 4.92 240 0.021 Sherman Island 9/6/2000 10:34 38.041 121.819 sand/silt side of tule bank 4 none side of tule bank still 0.94 231 0.004 Sherman Island 9/26/2000 11:10 38.041 121.819 silt w/ peat side of tule bank 3 corbicula 6 ft medium 24.37 3.10 170 0.018 Sherman Island 12/12/2000 15:56 38.041 121.819 silt side of tule bank 6 none 15 ft from tule bank 12.4 still 1.46 265 0.006 Sherman Island 1/31/2001 9:30 38.041 121.819 silt side of tule bank 6 corbicula 20 ft from tule bank 8.2 still 0.95 161 0.006 Sherman Island 2/27/2001 12:00 38.041 121.819 silt side of tule bank 5 corbicula 20 ft from tule bank 11.5 slow 1.52 175 0.009 Sherman Island 3/27/2001 13:40 38.041 121.819 silt side of tule bank 4 corbicula 20 ft from tule bank still 0.92 146 0.006 Sherman Island 5/18/2001 11:08 38.041 121.819 sand silt side of tule bank 6 none 30 ft from tule still/slow 0.52 87.2 0.006 Sherman Island 6/11/2001 18:00 38.041 121.820 silt side of tule bank 4 none 20 ft from tule bank still 1.63 239 0.007 Sherman Island 6/26/2001 38.041 121.820 silt side of tule bank 4 none 20 ft from tule bank still 0.44 76.9 0.006 Sherman Island 7/31/2001 38.041 121.820 silt/sand side of tule bank 6 corbicula 20 ft from tule bank still 0.59 76.4 0.008 Sherman Island 8/27/01 38.041 121.820 silt/sand side of tule bank 6 none 20 ft from tule bank still 0.36 83.5 0.004 Sherman Island 10/16/01 38.041 121.819 tule bank peat channels 4 20ft 19.14 fast 8.25 0.38 122 0.003 Suison Bay/ Joyce Island 06/13/00 14:30 38.129 122.061 Silt side of tule bank 4.2 none 30 ft from tule bank 21.6 still/slow 0.433 Suison Bay/ Joyce Island 06/27/00 12:15 38.129 122.061 silt side of bank 6 none 10 ft from edge of elodea still 0.231 325 0.001 Suison Bay/ Joyce Island 07/26/00 1358 38.130 121.062 silt side of tule bank 6 amphipods 10 ft from tule bank still 0.583 285 0.002 Suison Bay/ Joyce Island 09/06/00 9:08 38.129 122.062 silt side of tule bank 4 none 20 ft from tule bank still/slow 0.458 264 0.002 Suison Bay 09/25/00 1410 38.086 122.310 silt side of tule bank 7 none 10 ft from tule bank still 0.433 293 0.001 Suison Bay/ Joyce Island 12/13/00 10:00 38.129 122.061 silt side of tule bank 6 none 15 ft from tule bank 12.4 still/slow 5.740 339 0.017 Suison Bay 2/8/01 13:30 38.129 122.061 silt side of tule bank 6 none 10 ft from tule bank still 0.510 301 0.002 Suison Bay 2/27/01 1518 38.129 122.062 still side of tule bank 5 none 6 ft from tule bank still/slow 1.010 309 0.003 Suison Bay 3/27/01 1500 38.129 122.062 silt side of tule bank 4 none 10 ft from tule bank still 0.630 269 0.002 Suison Bay 4/20/01 0.640 246 0.003 Suison Bay 5/18/01 1414 38.129 122.061 silt side of tule bank 3 none still 0.603 275 0.002 San Pablo Bay / Mare Isl. 6/13/00 10:00 38.085 122.301 silt open bay 6 none 20.7 still 0.161 San Pablo 9/6/00 12:34 38.088 122.309 silt open bay 6 none 0.235 288 0.001 San Pablo 9/25/00 12:00 38.129 122.062 silt open bay 6 none still 0.237 305 0.001 San Pablo 2/27/01 1035 38.085 122.301 silt open bay 6 none 11.2 still 0.384 290 0.001 Honker Bay 5/30/00 1400 38.058 121.933 silt/sand bay near shore 8 none 20.5 fast 0.555 202 0.003 Honker Bay 9/6/00 8:21 38.060 121.929 silt open bay 8 none still 0.258 273 0.001 Honker Bay 9/26/00 38.059 121.933 silt/clay open Bay 10 none fast 0.240 527 0.000 Honker Bay 10/31/00 38.058 121.933 silt mudflat 30 yrds from tule slow 0.376 267 0.001

CALFED Mercury Project - MLML Final Report Appendix B Page B4 of B4