| MERCURY COMPOUNDS | 2002: 0.170, 2003: 0.646, 2004: 0.262 g | Spleen weight | Not Reported | Nestling | Lahontan Reservoir | 2002: 2, 2003: 7, 2004: 5 | NR | TOX-Non-Repro-Sublethal - organ/system effects | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 0.170, 2003: 0.646, 2004: 0.626 g | Spleen weight | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-Non-Repro-Sublethal - organ/system effects | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 2.41, 2003: 2.04, 2004: 1.66 g | Brain weight | Not Reported | Nestling | Lahontan Reservoir | 2002: 2, 2003: 7, 2004: 5 | NR | TOX-Non-Repro-Sublethal - organ/system effects | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 2.34, 2003: 2.36, 2004: 2.32 g | Brain weight | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-Non-Repro-Sublethal - organ/system effects | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 2.70, 2003: 3.06, 2004: 2.40 µg/g ww | Liver concentration | Not Reported | Nestling | Lahontan Reservoir | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 0.82, 2003: 0.86, 2004: 0.76 µg/g ww | Liver concentration | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | METHYLMERCURY | 2002: 2.35, 2003: 2.63, 2004: 2.01 µg/g ww | Liver concentration | Not Reported | Nestling | Lahontan Reservoir | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | METHYLMERCURY | 2002: 0.68, 2003: 0.74, 2004: 0.59 µg/g ww | Liver concentration | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 1.87, 2003: 2.46, 2004: 1.78 µg/g ww | Kidney concentration | Not Reported | Nestling | Lahontan Reservoir | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 0.61, 2003: 0.64, 2004: 0.55 µg/g ww | Kidney concentration | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | METHYLMERCURY | 2002: 1.65, 2003: 1.90, 2004: 1.47 µg/g ww | Kidney concentration | Not Reported | Nestling | Lahontan Reservoir | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | METHYLMERCURY | 2002: 0.52, 2003: 0.57, 2004: 0.50 µg/g ww | Kidney concentration | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 0.93, 2003: 0.93, 2004: 0.70 µg/g ww | Brain concentration | Not Reported | Nestling | Lahontan Reservoir | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 0.23, 2003: 0.23, 2004: 0.19 µg/g ww | Brain concentration | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 20.45, 2003: 36.38 µg/g ww | Feather concentration | Not Reported | Nestling | Lahontan Reservoir | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MERCURY COMPOUNDS | 2002: 6.66, 2003: 8.50 µg/g ww | Feather concentration | Not Reported | Nestling | Humboldt River | 2002: 9, 2003: 7, 2004: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | PCB | 2.49 µg/g ww | Egg concentration | Not Reported | Embryo | Mallard Slough | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | PCB | 1982: 3.32, 1989: 1.23, 1990: 5.38 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island | 1982: 10, 1989: 5, 1990: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | PCB | 1989: 2.19, 1990: 0.792, 1991: 1.55 | Egg concentration | Not Reported | Embryo | W. Marin Island | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | PCB | 0.185 µg/g ww | Egg concentration | Not Reported | Embryo | S. Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DDE (4,4'-) | 0.925 µg/g ww | Egg concentration | Not Reported | Embryo | Mallard Slough | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DDE (4,4'-) | 1982: 2.04, 1989: 1.71, 1990: 1.88  µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island | 1982: 10, 1989: 5, 1990: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DDE (4,4'-) | 1989: 1.86, 1990: 0.824, 1991: 1.17 µg/g ww | Egg concentration | Not Reported | Embryo | W. Marin Island | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DDE (4,4'-) | 3.01 µg/g ww | Egg concentration | Not Reported | Embryo | S. Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | ?-BENZENEHEXACHLORIDE | MS-90: 0.0092, BI-89: 0.0168, BI-09: 0.0342, WM-89: not detected, WM-90: not detected, WM-91: 0.0264, SW-91: 0.0120 µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | OXYCHLORDANE | MS-90: 0.0355, BI-82: 0.109, BI-89: 0.0153, BI-90: 0.0549, WM-89: 0.0241, WM-90: 0.0306, WM-91: 0.0204, SW-91: 0.0167  µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | HEPTACHLOR EPOXIDE | MS-90: 0.0160, BI-82: not detected, BI-89: 0.0170, BI-90: 0.0242, WM-89: 0.0151, WM-90: 0.0132, WM-91: 0.0146, SW-91: 0.0110  µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | TRANS-NONACHLOR | MS-90: 0.0744, BI-82: 0.151, BI-89: 0.0290, BI-90: 0.166, WM-89: 0.0657, WM-90: 0.0677, WM-91: 0.0352, SW-91: 0.366  µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | CIS-NONACHLOR | MS-90: 0.0233, BI-82: 0.103, BI-89: not detected, BI-90: 0.114, WM-91: not detected, SW-91: not detected µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DIELDRIN | MS-90: 0.0258, BI-82: 0.0926, BI-89: 0.0270, BI-90: 0.0661, WM-89: 0.0308 WM-90: 0.0204, WM-91: 0.00887, SW-91: 0.0275 µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DDD (4,4'-) | MS-90:0.0222, BI-82: 0.246, BI-89: 0.0180, BI-90: 0.0473, WM-89: 0.0168, WM-90: 0.0098, SW-91: 0.0683 µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | DDT (4,4'-) | MS-90: 0.0122, BI-89: 0.0282, BI-90: 0.0506, WM-89: 0.0185, WM-90: 0.0236, SW-91: 0.0572 µg/g ww | Egg concentration | Not Reported | Embryo | MS: Mallard Slough, Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | BI-82: 10, others: 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | BORON COMPOUNDS | BI-89: 0.408, WM-89: 0.395, WM-91: 0.859, SW-91: 1.29 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | BARIUM (elemental) | BI-89: 0.259, WM-89: 0.351, SW-91: 0.823 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | CHROMIUM (elemental) | BI-89: 0.849, WM-89: 0.813 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | COPPER (elemental) | BI-89: 7.16, WM-89: 7.10, WM-91: 7.12, SW-91: 6.21 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | IRON (elemental) | BI-89: 119.0, WM-89: 121.0, WM-91: 135.0, SW-91: 141.0 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MAGNESIUM COMPOUNDS | BI-89: 549, WM-89: 623, WM-91: 597, SW-91: 643 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MANGANESE COMPOUNDS | BI-89: 2.43, WM-89: 3.07, WM-91: 4.54, SW-91: 2.43 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets | 
          
                                                                                      | MOLYBDENUM | BI-89:0.778, WM-89: 0.884, WM-91: 0.617, SW-91: 0.616 µg/g ww | Egg concentration | Not Reported | Embryo | Bair Island, WM: West Marin Island, SW: South Wilbur Flood Area | 5 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets |