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ROY F. WESTON INC. <br /> INORGANICS LABORATORY CONTROL STANDARDS REPORT 09/20/90 <br /> SPIKED SPIKED. <br /> SAMPLE SITE ID ANALYTE SAMPLE AMOUNT UNITS %RECOU <br /> .. cR=c=== aC scacaa¢s=ca.�zza z= aesz Caa.c:.....itlacc==a zssar= ...... <br /> LCS1 90S271-LCI LEAD, LCS 5.9 6.0 MG/KG 98.7 <br /> LCS2 9OS2Y1�-LC2 LEAD, LCS b.l .6.0 MG/KG 102 <br /> tz LCSI 905280-LCI LEAD, LCS 30.4 30.0 UG/L . 101 <br /> LCS2 9OS280-LC2 LEAD, LCS 30.0- 30.0 UG/L 100 <br /> .O <br /> RJ ' <br /> yi <br />