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There was confusion about what values for chromium were presented in the ESI report. The ATSDR representative stated that the values displayed in the current report were for “total chromium.”

Yes, EPA’s analysis for inorganic metal only quantified “total chromium” and did not specify a quantity of trivalent chromium or hexavalent chromium. A separate analysis is required to determine the amount of these types of chromium in soil.

There was confusion about what values for chromium were presented in the ESI report. The ATSDR representative stated that the values displayed in the current report were for “total chromium.”

Norwood, Pennsylvania