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<DIV STYLE="text-align:Left;"><P><SPAN>Data collected between 2019 and 2022 by HydroGeologic Inc. under Air Force (DOD) Contract No. W91238-20-C-0014, Hill AFB Optimized Remediation Contract (ORC). Data collected before 2019 derived from various sources, including AFCEC, AEEC/EA, Tetra Tech, and APTIM (1994-2019). Chemical concentrations generally measured in micrograms per liter (µg/L). Types of chemical concentrations include: 1,2-DCA; Arsenic; Benzene; cis-1,2-DCE; Chromium (VI); MTBE; PCE; TCE; TMB; Vinyl Chloride.</SPAN></P></DIV> |