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7) Sand blast analytical results from California Ag& Environmental Services (8/3/2017)showed a <br /> result of 2600 mg/kg for barium, 140 mg/kg for chromium, 340 mg/kg for copper, 64, mg/kg for <br /> lead, and 1100 mg/kg for nickel. No STLC results were found for barium, chromium, copper, <br /> lead, and nickel and no TCLP results were not found for barium and chromium. <br /> A new Analytical will be performed on the spent sand blast media before disposal, using a <br /> different laboratory that is ELAP certified and provides sufficient chain of custody records. <br /> i <br /> i <br /> I <br /> I <br /> E <br /> E <br /> p� <br />[t[' <br /> E <br />'r <br /> t> <br />