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�- Engineers <br /> r <br /> Planners <br /> Economists <br /> Scientists REPORT OF ANALYTICAL RESULTS Date: 09/17/91 <br /> Client: CH2M HILL/SFO r <br /> 6425 CHRISTIE AVE. Project Number: SF031604.FW <br /> SUITE 500 DEL MONTE - DISCO <br /> EMERYVILLE, CA 94608 Laboratory Number: 30710 <br /> Atten: MR. TIM BRAY Date Received: 09/05/91 <br /> .==xxxxs=mssaam===aaa==aaaxaxxx====sa=========aTToxx=x.caass==a====as¢aa=====¢saa=a===ss^ <br /> Sample Description: METHOD BLANK <br /> Laboratory Sample Number: 30710ZW1 Date Collected: 09/05/91 Matrix: WATER BLANK <br /> ------------- ---- ------------------------------------------------------------------� <br /> Analytical Parameter Method Rep Limit Result Units Ana Date <br /> -------------------------------•--- ------------------------------------------------------------------------------------- <br /> Alkalinity as CaCO3 EPA310.1 1 <1 mg/L 09110/91k <br /> Calcium EPA200.7/SW6010 100 <100 ug/L 09/11/9' <br /> Conductivity EPA120.1 10 <10 UMHOS* 09/10/91 <br /> Copper EPA200.7/SW6010 2 <2 ug/L 09/11/91 <br /> Iron EPA200.7/SW6010 10 <10 ug/L 09/11/90 <br /> Bicarbonate EPA310.1(MOD) 1 - 'Cl <br /> mg/L. 09/10/9 ' <br /> Chloride EPA300.0 0.017 <0.017 mg/L 09/05/91 <br /> Sulfate EPA300.0 0.010 <0.010 mg/L 09/05/91! <br /> NBAS EPA425.1 0.02 <0.02 mg/L 09/05/91. <br /> Magnesium EPA200.7/SW6010 25 <25 ug/L 09/11/91 <br /> Manganese EPA200.7/SW6010 1 <1 ug/L 09/11/91• <br /> Sodium EPA200.7/SW60i0 100 <100 ug/L 09/11/91, <br /> Lead EPA239.2/SW7421 0.& <0.8 ug/L 09/10/91 <br /> Zinc EPA200.7/SW6010 2 <2 ug/L 09/11/91 <br /> t <br /> I <br /> i <br /> Results for non-aqueous matrices are based on dry sample weight unless noted otherwise. <br /> *UMHOS = UMHOS/CM <br /> Reviewed by: <br /> i <br /> INRPRPT(v910325) <br /> CH210 HILL Redding Quality Analytical Laboratories 5090 Caterpillar Road,Redding,California 960003 916.244.5227 <br />