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ENVIRONMENTAL Analytical Chemists July 23,2015 Lab ID : STK1536779 Republic Services,Inc. Customer : 3-8692 Quality Control-Inorganic Constituent Method Date/1D Type Units Cone. QC Data DQO Note Wet Chem Solids,Total Dissolved 2540 C 06/29/15:207506CTL Blank mg/kg 60 200 LCS mg/kg 10190 97.2% N/A STK1536779-001 Dup, mgikg 1.4% N/A Nitrogen,Total Kjeldahl 351.2 07/08/15:207827jmg Blank mg/kg ND <50 LCS mg/kg 600.0 91.9% 31-149 MS mg/kg 500.0 568% <'/4 (SP 1507432-003) MSD mg/kg 517.2 635% <%4 MSRPD m 517.2 4.9% <80 Nitrate+Nitrite as N 450ONO3F 07/20/15:208348CJJ Blank mg/kg ND <20 LCS mg/kg 446.3 102% N/A MS mg/kg 442.0 95.1% 10-150 (STK1536779-002) MSD mg/kg 446.3 95.8% 10-150 MSRPD m 446.3 1.7% <N/A 450ONO3F 07/20/15:210558CJJ ICB mg/L -0.012 0.1 ICV mg/L 11.27 99.4% 90-110 CCB mg/L -0.020 0.1 CCV m L 11.27 98.1% 90-110 OD 5210B 07/07/15:207773NMRP RgBlk mg/kg 0.19 2 LCS mg/kg 198.0 89.4% 84.6-115 (STKI536779-001) Dup mg/kg 15.9% 15.9 STK1536779-001 Dup m 5.0% 15.9 5210B 07/12/15:210218AMM CCV mg/L 1.000 100% 80-120 CCV mg/L 1.000 101% 80-120 Nitrogen,Total Kjeldahl EPA351.2 07/09/15:209913AMB CCB mg/L 0.238 0.5 CCV mg/L 5.000 102% 90-110 CCB mg/L 0.124 0.5 CCV mg/L 5.000 107% 90-110 EPA351.2 07/13/15:210117AMB CCB mg/L -0.223 0.5 CCV mg/L 5.000 93.9% 90-110 CCB mg/L 0.000 0.5 CCV m L 5.000 105% 90-110 Definition ICV :Initial Calibration Verification-Analyzed to verify the instrument calibration is within criteria. ICB :Initial Calibration Blank-Analyzed to verify the instrument baseline is within criteria. CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. RgBlk :Method Reagent Blank-Prepared to correct for any reagent contributions to sample result. LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. MS Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample matrix affects analyte recovery. MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries are an indication of how that sample matrix affects analyte recovery. Dup :Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an indication of precision for the preparation and analysis. MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation and analysis. ND :Non-detect-Result was below the DQO listed for the analyte. <%4 :High Sample Background-Spike concentration was less than one forth of the sample concentration. D22 Data Quality Objective-This is the criteria against which the uali control data is compared. Page 5 of 5 Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 TEL.(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX (530)343-3807 FAX:(805)783-2912 FAX:(559)7348435 CA ELAP Certification No.1573 CA ELAP Certification No 1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810