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Ceres,CA 95307 (209)581-9280 Fax(209)581-9282 <br /> ldbOPdt�ie5 2905 Railroad Ave. <br /> G <br /> RMC Geoscience Project Number: 4th Qtr.2010 <br /> 405 E.D St.,Ste 109 Project Name: Shadow Lake Park Work Order No.: <br /> Petaluma,CA 94952 Project Manager:Rick Mitchell K012042 <br /> ANALYSIS REPORT-Quality Control <br /> Argon Laboratories <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch K001922-General Prep <br /> Blank(KO_01922-BLKI) __ Prepared&_Analyzed: 12/20/10 <br /> Ammonia as ND 0.20 mg/L <br /> LCS(KO01922-BSI) - -_ - Prepared&Analyzed: 12/20/10 _ <br /> Ammonia as N 4.15 mg/L 4.0 104 80-120 <br /> LCS Dup(KO01922-BSD7) _ _ _ _Prepared_&Analyzed: 12/20/10 <br /> Ammonia asN 3.90 mg/L 4.0 98 80-120 6 20 <br /> Matrix Spike(K001922-MSI) _ Source: K0120_42-01 Prepared&Analyzed: 12/20/10 <br /> Ammonia as 435 mg/L4.0 ND 109 70.130 <br /> Matrix Spike Dup(KO01922-MSDI) Source:K012042-01 Prepared&Analyzed: 12/20/10 _ <br /> Ammonia as 4.15 11197L 4.0 ND 104 70-130 5 20 <br /> Batch K001928-General Prep <br /> Blank(KO01928-BLKI) _ Prepared&Analyzed: 12/16/10 <br /> Total Dissolved Solids ND 10 mg/L <br /> LCS(K001928-BSI) Prepared&Analyzed: 12/16/10 <br /> Total Dissolved Solids 1040 mg/L 1000 104 80-120 <br /> LCS Dup(KO01928-BSDI) Prepared&Analyzed: 12/16/10 <br /> Total Dissolved Solids 1030 mg/L 1000 103 80-120 1 20 <br /> Matrix Spike(KO019.2_8-MSI) _ Source:K_012037-01 Prepared&Analyzed: 12/16/10 <br /> Total Dissolved Solids 1040 mgh 1000 ND 104 70-130 <br /> _Matrix Spike Dup(KO0_1928_-MSDI) __ Soa_rce:K012037-01 _Prep_ared&Analyzed: 12/16/10_ <br /> Total Dissolved Solids 1050 mg/L 1000 ND 105 70-130 I 20 <br /> Batch K001929-General Prep <br /> Blank(KO01929-BLKI)_ _ Prepar_e_d&Analyzed: 1_2/16/10 <br /> Nitrate ND 0.50 mg/L <br /> LCS(K001929-BSI) Prepared&Analyzed: 12/16/10 _ <br /> Nitrate 10.3 mg/L 10 103 80120 <br /> LCS Dup(KO01929-B_SDI) _ _ __ _ Prepared&Analyzed: 12/16/10 <br /> Nitrate 10.3 mg/L IO 103 80120 0 20 <br /> Approved By <br /> Argon Laboratories,Inc. Califomia D.O.H.S.Cert.#2359 <br /> Page 4 of 7 <br />