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i <br /> Ia � <br /> k <br /> (ITEMlaboratories <br /> � 2905 Railroad Ave. Ceres,CA 95307 (209)581-9280 Fax(209)581-9282 <br /> RMC Geoscience Project Number: Stockton,CA " <br /> 405 E.D St.,Ste 109 <br /> Project Name: Shadow Lake Park Work Order No.: <br /> Petaluma,CA 94952 Project Manager:Rick Mitchell K006021 <br /> } ANALYSIS REPORT-Quality Control <br /> Argon Laboratories <br /> 4 <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit units Level Result %REC Limits RPD Limit Notes <br /> Batch K000862-General Prep --_ <br /> Blank(K000862-BLKI) Prepared&Analyzed:06/I4/10 <br /> Ammonia as N ND 0.20 mg/L <br /> I' LCS(K000862-BSI) _ Prepared&Analyzed:06/14/10 <br /> Ammonia as N 4.04 mg/L 4.0 101 80-120 <br /> LCS Dup(K000862-ESDI) - Prepared&Analyzed:06/14/10 <br /> Ammonia as N 3.92 mg/L 4.0 98 80-120 3 20 <br /> Matrix Spike(K000862-MSI) Source:K006021-01 Prepared&Analyzed:06/14/10 <br /> Ammonia as N 4.36 mg/L 4.0 ND 109 70-130 <br /> Matrix Spike Dup(K000862-MSD1) Source:K006021-01 Prepared&Analyzed:06/14/10 <br /> Ammonia as N 4.48 mg/L 4.0 ND 112 70-130 3 20 <br /> s <br /> i <br /> r <br /> i <br /> i <br /> t <br /> i <br /> } <br /> Approved By # <br /> Argon Laboratories,Inc. California D.O.H.S.Cert.#2359 <br /> Page 4 of 5 <br /> i <br />