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1 <br /> o Superior Precision Anaiyticai, 177c. <br /> 825 Arnold Drive, Suite 114 Martinez, California 94553 (510) 229- 15 12 / fax ( 510) 229- 1526 <br /> TOUCHSTONE DEVELOPMENTS Project 8632 - 1 <br /> Attn : JEFF MONROE Reported 27 - May - 1994 <br /> ANALYSIS FOR CADMIUM , CHROMIUM , LEAD , NICKEL , & ZINC <br /> Laboratory Number Sample Identification Matrix <br /> 15540 - 11 WO - E Soil <br /> 15540 - 12 WO - W Soil <br /> 15540 - 13 SUMP Soil <br /> RESULTS OF ANALYSIS <br /> Laboratory Number : 15540 - 11 15540 - 12 15540 - 13 <br /> Cadmium ( Cd ) : ND < 0 . 5 ND < 0 . 5 ND< 0 . 5 <br /> Chromium ( Cr ) : 18 18 16 <br /> Lead ( Pb ) : 9 10 8 <br /> Nickel ( Ni ) : 24 22 23 <br /> Zinc ( Zn ) : 35 35 35 <br /> Concentration : mg / Kg mg / Kg mg/ Kg <br /> i <br /> i <br /> i <br /> Page 2 of 3 <br /> I <br />`I <br /> Certified Laboratories <br />