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Department of Toxic Substances Control HML# 931081 to <br /> Hazardous Materials Laboratory COLLECTOR' S # : B1229OMTSPA <br /> Berkeley Way, Berkeley, CA 94704 To: <br /> Tel. No. (510) 540-3003 <br /> Inorganic Quality Assurance <br /> Collector' s Name: Alan Ito DATE SAMPLED: 01/10/94 <br /> Sample Location: Lodi Metals Tech. DATE RECD: 03/04/94 <br /> 213 S.Kelly, Lodi. ACTIVITY: SEB <br /> Analytical Procedure Used: HNO3 digestion and analysis by FAAS . <br /> Concentration units: mg/Kg <br /> 1. Initial Reference Determination Cr Zn <br /> Calibration Standard <br /> Verification Found 9 . 09 2 . 92 <br /> Source: <br /> SPEX True 10. 0 3 . 00 <br /> Lot#1-215 YW <br /> Exp. 5/94 % Recovery 90 . 9 97 . 3 <br /> Method Blank <5. 00 <1. 00 <br /> 2 . Continuing Standard Found 17 . 4 5. 41 <br /> Calibration Solution <br /> Verification Source: True 20 . 0 5. 00 <br /> SPEX <br /> Lot#1-215 YW % Recovery 86. 9 108 <br /> Preparation Blank <5 . 00 <1. 00 <br /> 3 . Spike Sample No. Spike Result A 10815 48350 <br /> Duplicate HML # 931081 <br /> Result Spike Result B 10925 48100 <br /> MATRIX• <br /> Soil Spike Added 5000 25000 <br /> Sample Result 6500 22050 <br /> 4 . Spike Sample No. %Recovery A 86. 3 105 <br /> Recovery HML # 931081 <br /> Result %Recovery B 88 . 5 104 <br /> MATRIX: <br /> Soil RPD 2 . 52 0. 96 <br /> l� <br /> At�z n, Chemist ate Milad Is ander Supe or Date <br />