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.O "AGRICULTURAL <br /> Analytical Chemists <br /> November 7, 2023 <br /> Lab No. : STK2354793-001 <br /> San Joaquin Co. Environmental Health Dep Customer No.: 3017919 <br /> Description :Well Head Matrix : Drinking Water <br /> Project :27770 S MacArthur Dr Tracy Ca Sampled On : October 24, 2023 at 08:35 <br /> 95337 WP0042449 <br /> Drinking Water Interpretations <br /> Summary: Your water was acceptable for all items tested on this sample report. Details are presented below: <br /> Constituent --7—Resuli--' Units—k —MC-L---7—Result Compared to MCL <br /> Inorganic -Primary I Less Than or Equal Exceeded <br /> Fluoride ND mg/L I 2 PASS <br /> Nitrate + Nitrite as N 7.5 I mg/L 10 PASS <br /> Nitrate as NO3 33.0 mg/L 45 PASS I <br /> Nitrate Nitrogen 7.5 mg/L 10 PASS <br /> Nitrite as N ND I mg/L 1 PASS <br /> Zinc 70 ug/L 5000 PASS <br /> Inorganic - Secondary Less Than or Equal Exceeded <br /> Chloride 220 I mg/L 500 PASS <br /> Copper ND ug/L 1000 PASS <br /> Iron 120 ug/L 300 PASS <br /> Manganese ND ug/L 50 PASS <br /> MBAS, Calc. as LAS, MW 320 Negative mg/L 0.5 PASS <br /> Specific Conductance 1380 umhos/cm 1600 PASS <br /> Sulfate 150 mg/L 500 PASS <br /> Total Dissolved Solids 880 1 mg/L 1 1000 PASS <br /> Other Less Than or Equal Exceeded <br /> Copper ND ug/L 1300** PASS <br /> ND=Non-Detect;**California Title 22, Section 64672.3 <br /> Definitions <br /> MCL The maximum level at which a constituent may be present and be considered acceptable for potability or aesthetics. <br /> Primary Items listed as primary are regulated because of health concerns. If there is a failure for a primary constituent <br /> treatment is normally required. <br /> Secondary Items listed as secondary are regulated because they may adversely affect the taste, odor or appearance of drinking <br /> water.They are not directly health related. If there is a failure for a secondary constituent on a small public water <br /> system it is best to consult your regulator to determine if treatment is required.A secondary constituent failure for a <br /> private water system does not require treatment. However,the owner may wish to treat the water in order to <br /> improve the quality. <br /> Treatment If your water requires treatment we suggest that you contact a qualified water treatment company.They are <br /> normally listed under the following searches: <br /> Water Purification&Filtration Equipment <br /> Water Softening&Conditioning Equipment <br /> Water Treatment Equipment <br /> Section:Drinking Water Interpretations Page 4 of 7 Page 4 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo 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 />