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CERTIFICATE OFANALYSIS <br />Analytical Laboratory <br />3935 N. Caromdo Ave, Sa akem CA. 9S204 Ina ee: (109) /77-8105 <br />Cherie Segler Pmject Number. Well Water Test <br />17971 N . Tretherway, Rd Project Name: Well Water Test Work Order No.: <br />Lockeford, CA 95237 <br />Project Manager: Cherie Solder <br />Conventional Chemistry Parameters by APHA/EPA Methods - Quality Control <br />Reporting Spike Source <br />malyte Result Limit Units Level Result %REC RPD Notes <br />Blank (AE21134-BLK1) <br />3.32 <br />0.400 <br />mgfL <br />3.81 <br />ND <br />Nitrite as N <br />ND <br />0.400 <br />mg/L <br />2.82 <br />Nitrate as N <br />ND <br />0.400 <br />LCS (AE21134-BS1) <br />Nitrite set <br />3.30 <br />0.400 <br />Nitrite as N <br />3.09 <br />0.400 <br />mF/L <br />3.05 <br />101 <br />Nitrate as N <br />2.13 <br />0.400 <br />2.32 <br />2.26 <br />94 <br />LCS Dup (AE21134-BSDI) <br />Nitrite es N <br />2.89 <br />0.400 <br />mg/L <br />3.05 <br />95 7 <br />Nitrate as N <br />1.99 <br />0.400 <br />" <br />2.26 <br />88 7 <br />Nitrite as N <br />3.32 <br />0.400 <br />mgfL <br />3.81 <br />ND <br />87 <br />Nitmte as N <br />4.83 <br />0.400 <br />2.82 <br />2.32 <br />89 <br />Matrix Spike Dup (AE21134-MSDI) <br />Nitrite set <br />3.30 <br />0.400 <br />mg(L <br />3.81 <br />ND <br />87 0.8 <br />Nitrate as N <br />4.86 <br />0.400 <br />2.82 <br />2.32 <br />90 0.5 <br />Reference (AE21/34-SRM1) <br />Nitrite as N <br />3.07 <br />0,400 <br />mg/L <br />3.04 <br />101 <br />Nitrate as N <br />9.12 <br />0.400 <br />" <br />403 <br />90 <br />Dry Sample results reported no a dry weight basis. <br />ND Analyte NOT DETECTED at or below the reporting limit. <br />mg/L= milligrams per Later=ppm G-GrabSample <br />ug/L= micrograms per Liter=ppb C-Compasirc Sample <br />DLR = Detection Limofor Pee eue ofReponing. <br />Exroptional smnple monicee or lelef romve may <br />..it in higher deremioe (mire. <br />MCL- Maximum contaminant levet (MCL) is the high at <br />concentration ofchemicals permitted in drinking water systems <br />RPD Relative Percent Difference <br />%REC Percent Recovery <br />Source Sample that was matrix spiked or duplicated. <br />Notes and Definitions <br />Comp -Grab- Composite of4 Grab Sample during 24hrs Grab <br />period and composite into I sample prior analysis <br />MMO-MUG-P/A- Total Coliform and E.Coli Test in Drinking Water by MM&MUG, using Standard Method 22nd Edition. <br />The State Hoard of Health requires that bacteriological results most be ABSENCE' or less than I.1 (for MTF method) to meet drinking water requirements. <br />Precision Enviro-Tech, o California ELAP Cert. #2387 <br />Stockton Laboratory: 3535 N. Coronado Ave -Stockton CA 95204 Phone: 209477-8105 email: jhvle@peWlab.net <br />Twain Harte Field Office: 18843 Fir Drive - Twain Harte CA 95383 Phone: 209-586-3400 email: aquallab@petallab.com <br />