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February 9, 2023 <br />Love and Confection Lab No. : STK2330395 <br />Customer No. : 3018990 <br />Control - Wet Chem <br />Wet Chem <br />Nitrite as Nitrogen 450ONO2B 01128/2023:200935AMM MS mg/L 0.2284 92.4% 1-173 <br />(CH 2370661-001) MSD mg(L 0.2284 98.2% 1-173 <br />MSRPD mg/L 0.2284 6.2% 520 <br />Nitrate Nitrogen 450ONO3F 02/01/2023:201107LFS Blank mg/L ND <0.4 <br />LCS mg/L 11.22 96.0% 80-120 <br />MS mg/L 5.609 92.9% 66-125 <br />(SP 2301448-001) MSD mg/L 5.609 93.7% 66-125 <br />MSRPD mg/L 5.609 0.8% <_30.4 <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 />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 matrix <br />affects analyte recovery. <br />MSD : Matrix Spike Duplicate of MS/MSD pair - A random sample duplicate is spiked with a known amount of analyted. The recoveries are an <br />indication of how that sample matrix affects analyte recovery. <br />MSRPD : MS/MSD Relative Percent Difference (RPD) - The MS relative percent difference is an indication of precision for the preparation and <br />analysis. <br />ND : Non -detect - Result was below the DQO listed for the analyte. <br />Section: Quality Control <br />Page 4 of 4 <br />Page 4 of 4 <br />Corporate Ofnosa a, Laboratory <br />Office b Laboratory <br />Once 8 Laboratory <br />Office 6 Laboratory <br />Office & Laboratory <br />853 Corporation Street <br />2500 Stagecoach Road <br />563 E. Lingo Avenue <br />3442 Empresa Drive, Suite D <br />9415 W. Goshen Avenue <br />Santa Paula, CA 93060 <br />Stockton. CA 95215 <br />Chico, CA 95926 <br />San Luis Obispo, CA 93401 <br />Visalia, CA 93291 <br />TEL: (805)392-2000 <br />TEL: (209)942-0182 <br />TEL: (530)343-5818 <br />TEL: (805)783-2940 <br />TEL: (559)7349473 <br />Env FAX: (805)5254172 /Ag FAX: (805)392-2083 FAX: (209)942-0423 <br />FAX: (530)343-3807 <br />FAX: (805)783-2912 <br />FAX: (559)734-8435 <br />CA ELAP Cerb8ca9on No. 1573 <br />CA ELAP Certification No. 1563 <br />CA ELAP Certification No. 2670 <br />CA ELAP Certification No. 2775 <br />CA ELAP Certification No. 2810 <br />