P L. Smedley, D.G. Kinniburgh/ Applied Geochemistry 17(2002 )517-568 Table I Typical As concentrations in natural waters Water body and location As concentration average Reference Terrestrial (w USA) 0.013-0.032 Coastal (Mid-Atlantic, USA) 0.1(<0.005-1.1) Scudlark and Church(1988) 0.14(0.02-0.42) restrial rain Andreae et al. (1983): Froelich et al. (1985) Seyler and Martin(1991) 25(<0.02-1.1) Lenvik et al. ( 1978) outh-east USA 5-0.45 Waslenchuk(1979 (1988) Po river tal Pettine et al. (1992) Polluted European river River Danube. Bavaria 0.75-3.8(upto30) Andreae and Andreae(1989) High-As groundwater influenced Northern chile 90-21800 Northern chile 400-450 Sancha etal.(1992) Cordoba, Argentina Lerda and Prosperi (1996) Geothermal influenced Sierra Nevada USA 0.20-264 enson and Spencer(1983) Waikato. New Zealand 32(28-36) McLaren and Kim(1995) Madison and missouri Rivers. USA 44(1967 Robinson et al. (1995) 10-370 Nimick et al. (1998 Mining influenced Ron phibun. thailand 218(48-583) Williams et al. (1996) Ashanti. Ghana 284(<2-7900) Smedley et al. (1996) British Columbia. Canada 17.5(<0.2-556 Azcue et al. (1994) Baselin British Columbia 0.28(<0.2-0.42) Azcue et al.(1994. 1995 Ontario 0.73-9.2 high Fe) apan 0.38-19 Sweden 0.06-1.2 Reuther(1992) Geothermal infuenced Western usa 0.38-1000 Benson and Spencer(1983 orthwest Territories. Canada 270(64-530) Bright (1996) Ontario Canada Baseline Oslofjord, Norway 0.7-2.0 Abdullah et al. (1995) Saanich Inlet. British Columbia 12-2.5 Peterson and Carpenter (1983)Table 1 Typical As concentrations in natural waters Water body and location As concentration average or range (mg l
1 ) Reference Rain water Baseline Maritime 0.02 Andreae (1980) Terrestrial (w USA) 0.013–0.032 Andreae (1980) Coastal (Mid-Atlantic, USA) 0.1(<0.005–1.1) Scudlark and Church (1988) Snow (Arizona) 0.14 (0.02–0.42) Barbaris and Betterton (1996) Non-baseline: Terrestrial rain 0.46 Andreae (1980) Seattle rain, impacted by copper smelter 16 Crecelius (1975) River water Baseline Various 0.83 (0.13–2.1) Andreae et al. (1983); Froelich et al. (1985); Seyler and Martin (1991) Norway 0.25 (<0.02–1.1) Lenvik et al. (1978) South-east USA 0.15–0.45 Waslenchuk (1979) USA 2.1Sonderegger and Ohguchi (1988) Dordogne, France 0.7 Seyler and Martin (1990) Po River, Italy 1.3 Pettine et al. (1992) Polluted European rivers 4.5–45 Seyler and Martin (1990) River Danube, Bavaria 3 (1–8) Quentin and Winkler (1974) Schelde catchment, Belgium 0.75–3.8 (up to 30) Andreae and Andreae (1989) High-As groundwater influenced: Northern Chile Northern Chile 190–21800 400–450 Ca´ceres et al. (1992) Sancha (1999) Co´rdoba, Argentina 7–114 Lerda and Prosperi (1996) Geothermal influenced Sierra Nevada, USA Waikato, New Zealand Madison and Missouri Rivers, USA 0.20–264 32 (28–36) 44 (19–67) 10–370 Benson and Spencer (1983) McLaren and Kim (1995) Robinson et al. (1995) Nimick et al. (1998) Mining influenced Ron Phibun, Thailand Ashanti, Ghana 218 (4.8–583) 284 (<2–7900) Williams et al. (1996) Smedley et al. (1996) British Columbia, Canada 17.5 (<0.2–556) Azcue et al. (1994) Lake water Baseline British Columbia 0.28 (<0.2–0.42) Azcue et al. (1994, 1995) Ontario 0.7 Azcue and Nriagu (1995) France 0.73–9.2 (high Fe) Seyler and Martin (1989) Japan 0.38–1.9 Baur and Onishi (1969) Sweden 0.06–1.2 Reuther (1992) Geothermal influenced Western USA 0.38–1000 Benson and Spencer (1983) Mining influenced Northwest Territories, Canada Ontario, Canada 270 (64–530) 35–100 Bright et al. (1996) Azcue and Nriagu (1995) Estuarine water Baseline Oslofjord, Norway 0.7–2.0 Abdullah et al. (1995) Saanich Inlet, British Columbia 1.2–2.5 Peterson and Carpenter (1983) (continued on next page) 522 P.L. Smedley, D.G. Kinniburgh / Applied Geochemistry 17 (2002) 517–568