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ENVIRONMENTAL <br /> Analytical Chemists <br /> October 8, 2020 Lab ID : STK2053437 <br /> Angel.Keenan Customer : 3-18565 <br /> Quality Control- Inorganic <br /> Constituent Method Date/11) Type Units Cone. QC Data DQO Note <br /> Vet Chem <br /> Alkalinity(as CaCO3) 23208 CC 2082556-002) Dup rat 'L 2.650 IU <br /> 2320B 09/22/20:215222AMM CCV mg/L 235.8 94.8% 90-110 <br /> CCV mg/L 235.8 94.8% 90-110 <br /> Bicarbonate 23208 CC 2082556-002 Dup mg/L 2.7°;, 10 <br /> Carbonate 23208 (CC 2082556-002 Du t mg/L 0.0 10 <br /> Hvdroxide 23208 CC 2082556.002) Du in L 010 10 <br /> Nitrate+NitriteasN 450ONO3F 09122120:211135VVH Blank mg/L ND <0.2 <br /> LCS mg''L 11.22 10256 80.120 <br /> MS mg/L 5.609 86.2% 5-285 <br /> (STK2053437-001) MSD mg/L 5.609 88.5% 5-285 <br /> MSRPD I rat /L 5.609 1 0.61,% <30.4 <br /> 450ONO3F 09/22/20:215194VVH CCB mg/L 0.012 0.2 <br /> CCV mg/L 11.22 10:3°.b 90-110 <br /> CCB mg/L 0.047 0.2 <br /> CCV m 'L 11.22 101% 90-110 <br /> Nitrate Nitrogen 4500NOW 09'22.20:211135VVH Blank ND <0,2 <br /> Definition <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> CCB :Continuing Calibration Blank-Analyzed to verity the instrument baseline is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyte.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> Dup :Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an <br /> indication of precision for the preparation and analysis. <br /> MSRPD :MS/MSD Relative,Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> 1.)QO Data Quality Objective-This is the Criteria a dainst which the 2uality control data is cora ar cd. <br /> Page 7 of 8 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office S Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-41721Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)793-2912 FAX:(559)734-8435 <br /> CA ELAP Certification No.1673 CA ELAP Certlficat'on No.1563 CA ELAP Certification No.2670 CA ELAP Certification No,2775 CA ELAP Certification No.2810 <br />