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-ro <br />D <br />ZALCO LABORATORIES, <br />Analytioal .. (:;onsulting Services <br />•' = r <br />■ _ - •: FAX �� <br />i <br />July 122 1995 <br />HRM Plumbing Company <br />3650 Wilcox Road, Suite A <br />Stockton, CA 95215 <br />Attention: Herb Quenzer <br />RE: DDRW Sharp Building 611, Tanks 100S and 1015 <br />Contents Analysis per SP3200-95-Q-0020, Amendment 002 <br />It <br />Liquid water samples contained in tanks were sampled on 6-22-95 by Tim Mason of <br />Zalco Laboratories. The samples were transported to the laboratory, and the five <br />requested analyses were performed for each sample. <br />The test results show that the water in . be , <br />according to the State of California Title 22 assessment guidelines. <br />Tank IDIS has a slight trace of hydrocarbons, but no Benzene, Toluene or Xylenes <br />that might otherwise indicate gasoline contamination. <br />No trace metals were found above hazardous levels. A trace amount of lead and <br />zinc was detected, but the zinc level was below the State MCL for drinking water. <br />There is no State MCL for Lead. Copper is well below the EPA Copper Rule limits <br />of 1300 micrograms per liter. <br />ThTs water is non -hazardous and potable with the exception of secondary standards <br />for consumer acceptance, i.e. taste, pdor, and turbidity. It could be labelled <br />"non -potable water, not for drinking purposes". <br />� v ri�' a' V <br />JE/dm <br />L 1995 <br />LMVIRONMENTAL <br />i <br />Respectfully Submitted, <br />%Jim Etherton <br />..Lab Operations Manager <br />