> the pollutants disappeared within two to three weeks after the accident. that's not what the paper says, anon... > our observations allowed us to determine, initially, the regional atmospheric impact from the accident and subsequent response activities. the nadp networks do not currently quantify specific organic compounds that might be more specific tracers of the train cargo, but given the widespread impacts to precipitation documented with currently measured nadp analytes, it is possible that there was a significant toxic organic flux to the earth's surface.
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