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What are the highest concentrations detected of total chromium and was Toxic Characteristic Leaching Procedure (TCLP) conducted on any samples that exhibited elevated concentrations?

The highest total chromium concentrations detected were as follows:

Old Norwood Dump: 389 ppm (surface soil); 37.4 ppm (sub-surface soil)
Norwood Landfill: 234 ppm (surface soil)

Winona Homes: 366 ppm (surface soil)

TCLP was not performed on any of the samples EPA collected. This is a procedure for determining a characteristic of hazardous waste and is not used in EPA analysis for quantifying the amount of a substance in a given sample.

What are the highest concentrations detected of total chromium and was Toxic Characteristic Leaching Procedure (TCLP) conducted on any samples that exhibited elevated concentrations?

Norwood, Pennsylvania