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la 2 9 - - <br /> Alpha Analytical Laboratories, Inc. email: clientservices@alpha-labs.com <br /> Corporate: 208 Mason Street I Ukiah, CA 95482 1 T. 707-468-0401 1 F: 707-468-5267 1 ELAP# 1551 <br /> EDC(Environmental.com,LLC) Project Manager: David Pingatore <br /> 262 Rickenbacker Circle Project: Water Quality(10 Day) Reported: <br /> Livermore,CA 94551 Project Number: [none] 02/03/25 12:16 <br /> Anions by EPA Method 300.0-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte(s) Result Limit Units Level Result %REC Limits RPD Limit Flag <br /> Batch AA54531-EPA 300.0 <br /> Blank(AA54531-BLKI) Prepared&Analyzed:01/21/25 <br /> Nitrate as N ND 0.40 mg/L <br /> LCS(AA54531-BSI) Prepared&Analyzed:01/21/25 <br /> Nitrate as N 5.87 0.40 mg/L 5.56 106 90-110 <br /> Duplicate(AA54531-DUPI) Source:25A2631-01 Prepared&Analyzed:01/21/25 <br /> Nitrate as N ND 0.40 mg/L ND 20 <br /> Matrix Spike(AA54531-MS1) Source:25A2631-01 Prepared&Analyzed:0 1/21125 <br /> Nitrate as N 5.64 4.0 mg/L 5.56 ND 102 80-120 <br /> Matrix Spike(AA54531-MS2) Source:25A3197-01 Prepared&Analyzed:01/21/25 <br /> Nitrate as N 5.72 4.0 mg/L 5.56 ND 103 80-120 <br /> Matrix Spike Dup(AA54531-MSDI) Source:25A2631-01 Prepared&Analyzed:0 1/21/25 <br /> Nitrate as N 5.63 4.0 mg/L 5.56 ND 101 80-120 0.133 20 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report must be reproduced in its entirety. <br /> Page 3 of 5 <br />