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PRT(G OH THA o o 4M <br />Analytical Laboratory <br />3935 N. Coronado Ave, Stockton CA. 95204 Phone: (209) 477-8105 <br />CERTIFICATE OFANALYSIS <br />Dillon & Murphy Project Number: Wright Tract <br />847 N. Cluff Ave, Suite A2 Project Name: Wright Tract Work Order No.: <br />Lodi, CA 95241 <br />Project Manager: Jol Murday <br />DBCP by EPA Method 504.1 - Quality Control <br />Reporting Spike Source <br />tnalyte Result Limit Units Level Result %REC RPD Notes <br />Blank (AH21712-BLK1) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />ND <br />0.0200 <br />ug/l <br />LCS (AH21712-BSI) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.150 <br />0.0200 <br />ug/l <br />0.147 <br />102 <br />LCS Dup (AH21712-BSDI) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.160 <br />0.0200 <br />ug/l <br />0.147 <br />109 6 <br />Matrix Spike (AH21712-MS1) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.146 <br />0.0200 <br />ug/l <br />0.147 ND <br />100 <br />Matrix Spike Dup (AH21712-MSD1) <br />1,2-Dibromo-3-chloropropane (DBCP) <br />0.151 <br />0.0200 <br />ug/l <br />0.147 ND <br />103 3 <br />Notes and Definitions <br />Item Definition <br />Dry Sample results reported on a dry weight basis. <br />ND Analyte NOT DETECTED at or below the reporting limit. <br />mg1L = milligrams per Liter = ppm G- Grab Sample Comp -Grab- Composite of 4 Grab Sample during 24hrs Grab <br />ug/L = micrograms per Liter = ppb C -Composite Sample period and composite into 1 sample prior analysis <br />DLR = Detection Limit for Purpose of Reporting. <br />Exceptional sample matrices or interferences may <br />result in higher detection limits. <br />MCL- Maximum contaminant level (MCL) is the highest <br />concentration of chemicals permitted in drinking water systems <br />RPD Relative Percent Difference <br />a/6REC Percent Recovery <br />Source Sample that was matrix spiked or duplicated. <br />MMO-MUG-P/A - Total Coliform and E.Coli Test in Drinking Water by MMO-MUG, using Standard Method 22nd Edition. <br />The State Board of Health requires that bacteriological results must be'ABSENCE' or less than 1.1 (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: 209-477-8105 email: jhvle@petallab.net <br />Twain Harte Field Office: 18843 Fir Drive - Twain Harte CA 95383 Phone: 209-586-3400 email: aquallab@petallab.com <br />