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GeoAnalytical Laboratories, Inc. <br />2300 Maryann Dr. Turlock, CA 95380 Phone (209) 669-0100 Fax(209)593-2212 <br />email: infolq.�geoanalyticallab.com <br />►_ ,.art # 12F3009 Project: AM/PM Fueling Station - 7500 West 11th St. Tracy Date: 07/13/22 <br />Blackwater Management Group LLC Date Recd: 06/30/22 <br />2605 Camino Tassajara Rd # 1582 <br />Danville, CA 94526 <br />Inorganic Chemistry - Quality Control <br />GeoAnalytical Laboratories, Inc. <br />Reporting Spike Source %REC RPD <br />lAnalvte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />Batch 1001734 - 200.8 -NONE Prepared: 07/06/22 Analyzed: 07/07/22 <br />Matrix Spike Dup (1001734-MSD1) <br />Iron <br />Matrix Spike Dup (1001734-MSD2) <br />Iron <br />Batch 1001761 - 200.7 - NONE <br />Source: 12F2001-08 <br />180 100 ug/L 125.0 19.3 129 <br />Source: 12F2105-01 <br />220 100 ug/L 125.0 32.2 151 <br />Prepared & Analyzed: 07/07/22 <br />70-130 <br />70-130 <br />7 <br />15 <br />20 <br />20 QM -(h <br />Blank (1001761-BLK1) <br />Calcium <br />ND <br />1.0 mg/L <br />I lardness (as C'aCO3) <br />ND <br />6.6 " <br />P' -cesium <br />ND <br />1.0 <br />mese <br />ND <br />20.0 ug/1. <br />Soaium <br />ND <br />1.0 mg/L <br />LCS (1001761 -BS 1) <br />Calcium <br />4.90 <br />1.0 mg/L <br />5.000 <br />98 <br />80-120 <br />Hardness (as C'aC'03) <br />31 <br />6.6 " <br />Magnesium <br />4.66 <br />1.0 1.5.000 <br />93 <br />85-115 <br />Manganese <br />458 <br />20.0 ug/l, <br />500.0 <br />92 <br />85-115 <br />Sodium <br />5.16 <br />L0 mg/L <br />5.000 <br />103 <br />85-115 <br />LCS Dup (1001761-BSD1) <br />Calcium <br />4.95 <br />1.0 mg/L <br />5.000 <br />99 <br />80-120 <br />1 <br />20 <br />Hardness (as CaC'03) <br />32 <br />6.6 " <br />Magnesium <br />4.79 <br />1.0 " <br />5.000 <br />96 <br />85-115 <br />3 <br />20 <br />Manganese <br />463 <br />20.0 ug/L <br />500.0 <br />93 <br />85-115 <br />1 <br />20 <br />Sodium <br />4.98 <br />1.0 mg/L <br />5.000 <br />100 <br />85-115 <br />4 <br />20 <br />Duplicate (1001761-DUPI) <br />Source: 12GO507-01 <br />Calcium <br />0.30 <br />1.0 mg/L <br />0.30 <br />0.3 <br />20 <br />Hardness (as C'aC'03) <br />ND <br />6.6 " <br />Magnesium <br />0.448 <br />LO <br />0.452 <br />0.9 <br />20 <br />Manganese <br />ND <br />20.0 ug/L <br />ND <br />20 <br />Sodium <br />0.46 <br />1.0 mg/L <br />ND <br />20 <br />Certification # 2585 <br />