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April 4, 2012 Lab ID : STK1232392-004 <br /> Customer ID : 3-2956 <br /> San Joaquin County PWD-Solid Waste Div. <br /> Attn: Michael Carroll Sampled On : March 19, 2012-13:12 <br /> 1810 E. Hazelton St. Sampled By : Kong/Carroll <br /> Stockton, CA 95205 Received On : March 19, 2012-16:02 <br /> Matrix : Surface Water <br /> Description : NC-SW4- <br /> .Project : NC-WDR-Storm Water <br /> Sample Result-Inorganic <br /> Sample Preparation Sample Analysis <br /> Constituent Result PQL Units Note Method Date/ID Method Date/ID <br /> Metals,Total <br /> Total Hardness as CaCO3 74.6 2.5 mg/L 3010 03/21/12:203074 200.7 03/21/12:204246 <br /> Calcium 14.4 1 mg/L 3010 03/21/12:203074 200.7 03/21/12:204246 <br /> Magnesium 9.40 1 mg/L 3010 03/21/12:203074 200.7 03/21/12:204246 <br /> Wet Chemic <br /> Alkalinity(as CaCO3) 33.7 10 mg/L 2320E 03/21/12:203076 2320E 03/21/12:204162 <br /> Bicarbonate 41.2 10 mg/L 2320E 03/21/12:203076 2320B 03/21/12:204162 <br /> Carbonate ND 10 mg/L 2320B 03/21/12:203076 2320E 03/21/12:204162 <br /> Hydroxide ND 10 mg/L 2320B 03/21/12:203076 2320B 03/21/12:204162 <br /> Chloride 19.0 1 mg/L 300.0 03/23/12:203231 300.0 03/23/12:204288 <br /> COD 38.3 20 mg/L 5220B 03/30/12:203479 5220D 03/30/12:204607 <br /> Conductivity 166 1 umhos/Cm 2510B 03/21/12:203122 2510B 03/22/12:204156 <br /> Oxygen,Dissolved 7.55 0.5 mg/L 4500-0 G 03/19/12:300167 521.013 03/19/12:300167 <br /> Solids,Total Dissolved 137 40 mg/L 2540 C 03/22/12:203156 25400 03/23/12:204227 <br /> ��dl 524 0.2 NTIJ 2130B 03/20/12:203103 2130B 03/20/12:204111 <br /> ND--Non-Detected.PQL—Practical Quantitation Limit.Containers:0,(DOB)DO Bottle,(N/A)Not Applicable COC Only,(P)Plastic,(VOA)VOA <br /> Preservatives:H2SO4 pH<2,HNO3 pH<2,HCl pH<2*Surrogate. PQL adjusted for dilution. <br /> Page 3 of 14 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue 3442 Empresa Drive,Suite D Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 Sen Luis Obispo,CA 93401 TEL:(559)734-9473 <br /> TEL:(805)392-2000 TEL(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 Mobile:(559)737-2399 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)525.4172 FAX:(559)734-8435 <br /> CA NELAP Certification No.0111DCA CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certificatlon No.2775 <br />