Table 2. Metals in streambed sediment from sites in the Puget Sound Basin, September 1995 (micrograms per gram unless otherwise specified, in less than 63 micron size fraction dry weight ; MDL, method detection limit; nd, not detected or below MDL; (), detection below MDL) | |||||||||||||||||||||
Site type | agricultural | agricultural | agricultural | agricultural | urban | urban | urban | urban | urban | urban | urban | urban | urban | forest | reference | reference | reference | ||||
MDL | Bertrand Creek near Lynden, WA | Fishtrap Creek at Flynn Road at Lynden, WA | Newaukum Creek near Black Diamond, WA | Nooksack River at Brennan, WA | Big Soos Creek above hatchery near Auburn, WA | Duwamish River at golf course at Tukwila, WA | Juanita Creek at La Juanita, WA | West Branch Kelsey Creek at Bellevue, WA | Leach Creek near Steilcoom, WA | Miller Creek near Des Moines,WA | North Creek below Penny Creek near Bothell,WA | Thornton Creek near Seattle, WA | Green River above Twin Camp Creek near Lester, WA | Nooksack River at North Cedarville,WA | Rock Creek near Maple Valley, WA | Rock Creek at Cedar Falls near Landsburg, WA | North Fork Skokomish River at Staircase Rapids near Hoodsport, WA | ||||
USGS site number | 12212500 | 12212100 | 12108500 | 12213140 | 12112600 | 12113390 | 12120490 | 12119850 | 12091300 | 12103326 | 12125900 | 12128000 | 12103380 | 12210700 | 12118500 | 12117695 | 12056495 | ||||
Aluminum (%) | 0.005 | 4.5 | 5.4 | 6.2 | 8.4 | 6 | 7.1 | 7.3 | 6.9 | 6.3 | 7.2 | 5.8 | 6.7 | 7.5 | 8.7 | 3.9 | 7.2 | 7.9 | |||
Antimony | 0.1 | 1 | 1 | 0.5 | 0.7 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 0.5 | 0.6 | 1 | 0.6 | 0.6 | |||
Arsenic | 0.1 | 15 | 21 | 6.2 | nd | 23 | 12 | 12 | 16 | 10 | 15 | 33 | 19 | 2.5 | 7 | 5.3 | 7.9 | 7.7 | |||
Barium | 1 | 400 | 600 | 370 | 630 | 410 | 430 | 520 | 530 | 420 | 500 | 490 | 510 | 390 | 580 | 230 | 370 | 670 | |||
Beryllium | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | |||
Bismuth | 10 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||
Cadmium | 0.1 | 0.6 | 0.9 | 0.4 | 0.2 | 0.3 | 0.6 | 0.4 | 1.5 | 0.7 | 0.8 | 0.7 | 1.4 | 0.2 | 0.1 | 0.7 | 0.3 | 0.2 | |||
Calcium (%) | 0.005 | 1.6 | 1.9 | 1.8 | 2.8 | 2 | 2.2 | 2.2 | 2.1 | 2.5 | 2.3 | 2.1 | 2.5 | 1.9 | 3.4 | 2.2 | 1.9 | 1.1 | |||
Cerium | 4 | 30 | 32 | 35 | 44 | 34 | 36 | 39 | 32 | 35 | 36 | 27 | 35 | 54 | 40 | 15 | 36 | 88 | |||
Chromium | 1 | 78 | 95 | 50 | 140 | 99 | 57 | 110 | 110 | 93 | 110 | 120 | 120 | 26 | 80 | 54 | 65 | 110 | |||
Cobalt | 1 | 23 | 26 | 20 | 24 | 16 | 17 | 17 | 18 | 15 | 16 | 15 | 18 | 17 | 21 | 8 | 17 | 22 | |||
Copper | 1 | 26 | 38 | 45 | 50 | 40 | 44 | 29 | 82 | 29 | 44 | 28 | 58 | 31 | 40 | 42 | 44 | 48 | |||
Europium | 2 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||
Gallium | 4 | 12 | 10 | 13 | 17 | 12 | 15 | 14 | 14 | 11 | 14 | 12 | 13 | 19 | 18 | 8 | 14 | 19 | |||
Gold | 8 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||
Holmium | 4 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||
Iron (%) | 0.005 | 21 | 8.6 | 4 | 4.8 | 4.1 | 4.9 | 3.8 | 3.9 | 3.2 | 3.6 | 4.1 | 4.2 | 4.4 | 4.4 | 1.7 | 3.7 | 4.4 | |||
Lanthanum | 2 | 14 | 15 | 15 | 21 | 15 | 17 | 17 | 15 | 16 | 17 | 12 | 16 | 23 | 19 | 10 | 18 | 40 | |||
Lead | 4 | 12 | 30 | 21 | 8 | 18 | 33 | 43 | 110 | 71 | 73 | 46 | 190 | 7 | nd | 23 | 13 | 13 | |||
Lithium | 2 | 10 | 20 | 20 | 30 | 20 | 20 | 20 | 30 | 10 | 20 | 20 | 20 | 30 | 20 | 20 | 20 | 50 | |||
Magnesium (%) | 0.005 | 0.75 | 0.98 | 0.87 | 2.4 | 1.2 | 1.1 | 1.2 | 1.1 | 0.9 | 1.1 | 1 | 1.3 | 0.78 | 1.9 | 0.57 | 0.87 | 1.4 | |||
Manganese | 4 | 1300 | 9200 | 3200 | 800 | 1500 | 1700 | 1500 | 2300 | 3800 | 930 | 2200 | 2100 | 850 | 750 | 570 | 1000 | 940 | |||
Molybdenum | 2 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | 0.07 | |||
Mercury | 0.02 | 0.06 | 0.09 | 0.1 | 0.06 | 0.08 | 0.1 | 0.08 | 0.34 | 0.08 | 0.15 | 0.18 | 0.53 | 0.34 | 0.06 | 0.11 | 0.1 | nd | |||
Neodymium | 4 | 15 | 15 | 17 | 20 | 16 | 18 | 18 | 15 | 15 | 16 | 12 | 17 | 26 | 20 | 9 | 17 | 40 | |||
Nickel | 2 | 58 | 70 | 30 | 120 | 60 | 31 | 63 | 57 | 37 | 57 | 52 | 65 | 19 | 61 | 23 | 36 | 54 | |||
Niobium | 4 | nd | 4 | 8 | 11 | 9 | 9 | 9 | 9 | 8 | 9 | 9 | 10 | 14 | 10 | 4 | 10 | 15 | |||
Phosphorus (%) | 0.005 | 0.21 | 0.26 | 0.21 | 0.13 | 0.18 | 0.19 | 0.12 | 0.16 | 0.09 | 0.09 | 0.28 | 0.18 | 0.12 | 0.12 | 0.16 | 0.13 | 0.14 | |||
Potassium (%) | 0.05 | 0.5 | 0.67 | 0.61 | 1.3 | 0.7 | 0.89 | 0.81 | 0.82 | 0.71 | 0.82 | 0.62 | 0.79 | 1 | 1.2 | 0.41 | 0.59 | 1.6 | |||
Scandium | 2 | 11 | 13 | 14 | 19 | 13 | 15 | 16 | 15 | 13 | 15 | 12 | 15 | 20 | 17 | 7 | 13 | 17 | |||
Selenium | 0.1 | 0.9 | 1.4 | 1.2 | 0.7 | 1 | 0.4 | 0.4 | 0.6 | 0.3 | 0.4 | 1.6 | 0.6 | 0.9 | 0.7 | 4.6 | 1.1 | 1.4 | |||
Silver | 0.1 | 0.3 | 0.3 | 0.3 | 0.1 | 0.3 | 0.3 | 0.2 | 0.5 | 0.2 | 0.3 | 0.4 | 2.2 | 0.2 | 0.1 | 0.4 | 0.3 | 0.2 | |||
Sodium (%) | 0.005 | 1.1 | 1.3 | 1 | 2.1 | 1.5 | 1.6 | 2 | 1.6 | 2 | 2 | 1.5 | 1.9 | 1.3 | 2.2 | 0.85 | 1.3 | 1.6 | |||
Strontium | 2 | 230 | 240 | 210 | 480 | 240 | 300 | 310 | 260 | 310 | 330 | 250 | 310 | 180 | 630 | 190 | 220 | 190 | |||
Sulfur (%) | 0.05 | 0.14 | 0.17 | 0.16 | 0.2 | 0.13 | 0.1 | 0.07 | 0.13 | 0.05 | 0.05 | 0.17 | 0.14 | 0.07 | 0.32 | 0.28 | 0.08 | 0.1 | |||
Tantalum | 40 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||
Thorium | 4 | 4.1 | nd(3.1) | 7.3 | 3.9 | nd(4.5) | 8.8 | 4.2 | 4.8 | 5.2 | 3.5 | 3.8 | 4.9 | 4.1 | 4.6 | 11 | |||||
Tin | 10 | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | nd | |||
Titanium (%) | 0.005 | 0.32 | 0.37 | 0.38 | 0.53 | 0.37 | 0.45 | 0.44 | 0.42 | 0.42 | 0.44 | 0.33 | 0.44 | 0.56 | 0.5 | 0.18 | 0.44 | 0.49 | |||
Uranium | 0.05 | 1.47 | 1.99 | 1.35 | 2.4 | 1.85 | 1.68 | 1.85 | 1.91 | 1.78 | 1.79 | 1.94 | 1.86 | 1.81 | 1.61 | 3.14 | |||||
Vanadium | 2 | 65 | 120 | 100 | 160 | 110 | 110 | 120 | 120 | 110 | 120 | 120 | 120 | 100 | 140 | 54 | 110 | 130 | |||
Yttrium | 2 | 18 | 17 | 20 | 20 | 18 | 19 | 18 | 16 | 17 | 17 | 15 | 17 | 35 | 19 | 14 | 15 | 26 | |||
Ytterbium | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 3 | 2 | 1 | 1 | 2 | |||
Zinc | 4 | 130 | 250 | 150 | 99 | 93 | 140 | 140 | 470 | 180 | 190 | 180 | 330 | 94 | 85 | 95 | 88 | 110 | |||
Organic + inorganic carbon (grams per kilogram) | 0.01 | 5.68 | 6.62 | 8.21 | 1.19 | 6.66 | 3.68 | 2.9 | 6.37 | 2.44 | 3.07 | 10.7 | 5.11 | 5.43 | 0.84 | 22.71 | 8.89 | 3.91 | |||
Inorganic carbon (grams per kilogram) | 0.01 | 0.17 | 0.17 | 0.04 | 0.01 | 0.03 | 0.02 | 0.02 | 0.03 | 0.03 | 0.01 | 0.06 | 0.03 | 0.03 | 0.02 | 0.05 | 0.05 | 0.01 | |||
Organic carbon (grams per kilogram) | 0.01 | 5.51 | 6.45 | 8.17 | 1.18 | 6.63 | 3.66 | 2.88 | 6.34 | 2.41 | 3.06 | 10.1 | 5.08 | 5.4 | 0.82 | 22.2 | 8.84 | 3.9 | |||
1The value for organic carbon is very high for this sample. The value has been verified by the U.S. Geological Survey National Laboratory, but may not represent typical conditions in this stream. |
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