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.r <br /> i <br /> F4o�scs Number: D7'7SQ244.72 <br /> Consurlant Pra]acy MMimber rmber: 2�31Y53289 <br /> r FIlry Number: �N�'WCO22 4'4'9-X <br /> I wbrk order Number: C009097 <br /> iiaPoH b81"t7eta: 8epsembor 7,IM <br /> t = <br /> T3U3 4 <br /> "• INITIAL AND CONTINUING CALIBRATION <br /> j $ VERIF;CATION STANDARDS RESULTS <br /> Total Recoverable OR and Grease in Soil by Infrared <br /> MODIFIED EPA Method 413.2 <br /> bate of Analysls: 09 /90 <br /> i-; Initial Calibration Verification Standard <br /> Expe,^t�Result, Observed Resift, Ac l:bilhy <br /> Analyte rrr L mall- Recovery,96 L!m(ts,%I <br /> 00 and Grease 3.3 <br /> 5.9 111 B0-123 <br /> s- Continuing CallLwation Verification Standard <br /> .., Expected Resutt, Observed Result, Aeca�tabllity <br /> 'byte mg/L mg/L Recovery,96 Limits,961 <br /> OR and Grease <br /> 5.3 5.5 104 tiO-120 <br /> Acceptability limits are derived from the 99%confidence Interval of all sam;Xas during <br /> r-, <br /> the previous quarter. <br /> f <br /> Table 4a <br /> p.� INITIAL AND CONTINUING CALIBRATION <br /> VERIFICATfON STANDARDS SOURCE <br /> _ Total Recoverable Oil and Grease In Sol!by Infrared <br /> MODIFIED EPA Method 413.2 <br /> Initial Calibration Verification Standard <br /> Analyte Lot Number <br /> Source <br /> Oil and Grease R07 STK 11 GTEL <br /> Continuing Calibration Veri9callon Standard <br /> Analyte Lot Number <br /> Source <br /> { ; 01 and Grease R06 STK 7 GTEL <br /> i t <br /> GTEL Omwild.0A Page 4 of 5 <br /> OODW07.DOC <br /> ISM <br /> GTEL <br /> H <br /> bo lA CRAWR ISINC.. <br />