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- <br /> - y <br /> `; Poject Number: SF13175.0204.72 <br /> Consultant 1 tolsct Number: 203175-3285 <br /> Cone=el Number: WSCWCO244.1;�X <br /> Facility Number: 9-0.342 <br /> Work Order Number: 0008558 <br /> k Report haue Dale: August 2.3.19M <br /> t� <br /> Table 4 <br /> INITIAL AND CONTINUING CALIBRATION <br /> VERIFICATION STANDARDS RESULTS <br /> Total Recoverable Oil and Grease In Water by Infrared <br /> EPA Method 413.2 <br /> �A <br /> Date of Analysis: 08/21/90 <br /> a <br /> Initial Calibration Verification Standard <br /> Expected Result, Observed Result, Acca [ability <br /> Analyte mg/L mg/L Recovery,% Ltmfs,%1 <br /> Oil and Grease 5.0 4.3 86 60-120 <br /> Continuing Calibration Verification Standard <br /> f.s Expected Result, Observed Result, Acceptability <br /> Analyte mg/L mg/L Recovery,% Limits,963 <br /> Oil and Grease 5.0 4.1 82 80-120 <br /> ;9 1 =Acceptability limits are derived from the 99%confidence Interval of all samples during the <br /> previous quarter. <br /> Table 4a <br /> INITIAL AND CONTINUING CALIBRATION <br /> Gs VERIFICATION STANDARDS SOURCE <br /> Total Recoverable Oil and Grease in Water by Infrared <br /> EPA Method 413.2 <br /> Initial Calibration Verification Standard <br /> Analyte Lot Number Source <br /> Oil and Grease R07 STK 7 GTEL _ <br /> I t Continuing Calibration Verification Standard <br /> Analyte Lot Number Source <br /> Oil and Grease R06/STK 6 GTEL <br /> I . <br /> GTEL Concord,CA Page 4 of 5 <br /> .� STEL <br /> - IINVIRDNMENIA <br />