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California Dept. of Toxic Substances Control HML # : 960767 <br /> Hazardous Materials Laboratory T0: 960768 <br /> 2151 Berkeley Way, Berkeley Ca. 94704 <br /> (510) 540-3003 <br /> Inorganic Ouality Assurance <br /> Collector's Name: Nancy Lancaster Collector's # : NKL001 <br /> Sample Location:Advanced Metal Plating To: NKL002 <br /> 4421 Giannecchini Activity: SEB <br /> Stockton. <br /> Analytical Procedure Used: <br /> Analysis: EPA Method #7196 for Cr6 <br /> Concentration units: mg/1 . <br /> 1. Initial Reference Determination Cr6 <br /> Calibration Standard <br /> Verification Found 0. 096 <br /> Source: BAUER <br /> Lot# : True 0. 096 <br /> 13765-19-1 <br /> Recovery 100 <br /> Method Blank <0 . 025 <br /> 2 . Continuing Standard Found 0. 750 <br /> Calibration Solution <br /> Verification Source:BAUER True 0. 765 <br /> Lot# <br /> 13765-19-1s Recovery 98 . 0 <br /> Preparation Blank <0. 025 <br /> 3 . Spike Sample No. Spike Result A 1. 09 <br /> Duplicate 960768 <br /> Result Matrix: Spike Result B 0 . 95 <br /> Liguid <br /> Spike Added 1. 02 <br /> Sample Result 0. 03 <br /> 4. Spike Sample No. % Recovery A 104 <br /> Recovery HML 4960768 <br /> Result Matrix: % Recovery B 90. 2 <br /> Liquid <br /> RPD 14 . 2 <br /> Signatures: <br /> gwnlikle-Ki��S/ <br /> Atif R.� Kozman Date Mi a S. Iskan er Date <br /> Analyst Supervisor <br />