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I <br /> n <br /> Department of Toxic Substances Control HML# 9310'83 to 931084 <br /> Hazardous Materials Laboratory COLLECTOR'S #:111893DD2A <br /> Berkeley Way, Berkeley, CA 94704 To: 111893DPlA <br /> Tel. No. (510) 540-3003 <br /> Inorganic Quality Assurance <br /> Collector's Name: Alan Ito DATE SAMPLED: 01/10/94 <br /> Sample Location: Delta Plating Co. DATE RECD: 02/28/94 <br /> Stockton. ACTIVITY: SEB <br /> Analytical Procedure Used: HNO33 digestion and analysis by FAAS. <br /> Concentration units: ma/Kg <br /> 1. Initial Reference Determination Cu Ni <br /> Calibration Standard <br /> Verification Found 10. 1 10.5 <br /> Source: <br /> SPEX True 10. 0 10.0 <br /> Lot#1-215 YW <br /> Exp. 5/94 % Recovery 101 105 <br /> Method Blank <5. 00 <2.00 <br /> 2 . Continuing Standard Found 19.9 21.4 <br /> Calibration Solution <br /> Verification Source: True 20. 0 20.0 <br /> SPEX <br /> Lot#1-215 YW % Recovery 99.5 107 <br /> Preparation Blank <5. 00 <2.00 <br /> 3 . Spike Sample No. Spike Result A 14485 11045 <br /> Duplicate HML # 931062 <br /> Result Matrix: Soil Spike Result B 14445 11125 <br /> HML # 931083 <br /> Matrix:Solid Spike Added 5000 5000 <br /> Sample Result 9600 5570 <br /> 4. Spike Sample No. %Recovery A 97.7 109 <br /> Recovery HML # 931062 <br /> Result 931083 %Recovery B 96.9 111 <br /> Matrices: <br /> Soil / Solid RPD 0.82 1.82 <br /> Ati� an, Chemist Dat Milad Iskander, Susor Date <br />