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ENVIRONMENTALMW <br /> Analytical Chemists <br /> February 2, 2023 <br /> Lab No. : STK2258053 <br /> Canary Renewables Corp <br /> Customer No. : 3016416 <br /> Quality Control - Wet Chem <br /> Wet Chem <br /> E. C. 2510B 12/29/2022:214566STA Blank umhos/cm ND <1 <br /> (SP 2220058-001) Dup umhos/cm 0.5% 5 <br /> 2510B 01/03/2023:214643STA Blank umhos/cm ND <1 <br /> (STK2257956-001) Dup umhos/cm 0.7% 5 <br /> Solids,Total Dissolved 2540CE 12/27/2022:214449CTL Blank mg/L ND <20 <br /> LCS mg/L 990.8 99.7% 90-110 <br /> (VI 2249991-002) Dup mg/L 1.4% 5 <br /> (VI 2249991-002) Dup mg/L 1.2% 5 <br /> Blank mg/L ND <20 <br /> LCS mg/L 990.8 101 % 90-110 <br /> (SP 2220353-001) Dup mg/L 0.9% 5 <br /> BOD 5210B 12/22/2022:313337KQP RgBlk mg/L 0.3 2 <br /> LCS mg/L 198.0 96.3% 84.6-115 <br /> (STK2258001-001) Dup mg/L 17.6% 15.9 440 <br /> (STK2258001-001) Dup mg/L 23.9% 15.9 440 <br /> (STK2258001-001) Dup mg/L 9.85% 15.9 <br /> Definition <br /> Blank : Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> DQO : Data Quality Objective-This is the criteria against which the quality control data is compared. <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 /> LCS : Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> ND : Non-detect-Result was below the DQO listed for the analyte. <br /> RgBlk : Method Reagent Blank-Prepared to correct for any reagent contributions to sample result. <br /> Explanation <br /> 440 : Sample nonhomogeneity may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> Section:Quality Control Page 4 of 4 Page 4 of 4 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&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)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 <br /> 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 <br />