Smelters in Tacoma, Washington

EPA. 1977. Heavy metals in gardens near the ASARCO Smelter, Tacoma, Washington. US EPA/OTS Public Files. 40-7748027. 

The two major S02 emission sources in Western Washington are a copper smelter located in Tacoma, WA. 

A network of 38 rainwater sampling sites was established upwind and downwind of the copper smelter in the Seattle-Tacoma area of Washington State. Figure 1 shows the location of the rainwater sampling sites, the copper smelter, and urban areas of Western Washington State. 

A network of 38 rainwater collection sites was established in the Seattle-Tacoma area of Washington State both upwind and downwind of the dominant regional S02 emission source, a copper smelter. Rainwater samples were chemically analyzed for pH, major ions and trace metals (via INAA). Results are presented for a precipitation event sampled by the network on February 14-15,... 

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