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ENVIRONr.EN'I'AL n NACCOp <br /> ANALYTICAL CHEMISTS <br /> May 29, 2007 Lab ID STK734024-01 <br /> Customer ID: 3-15419 <br /> Chesney Consulting <br /> Post Office Box 3794 Sampled On : May 3, 2007-15:00 <br /> Turlock, CA 95381 Sampled By Don Chesney <br /> Received On : May 3, 2007-15:55 <br /> Description ': 3703 West Grant Line Rd Matrix Drinking Water <br /> Project Drinking Water Monitoring <br /> Sample Results _ .Inorganic <br /> k Sample Preparation Sample Analysis <br /> Constituent Results PQL Units MCL Method Date/11) Method DateAD <br /> General Mineral P:1,5,4 <br /> 'T'otal Hardness 941. 2.5 mg/L Calculation Calculation <br /> Calcium 204 1 mg/L. 200.7 05/08/07:A203 200.7 05l0812007:A00 <br /> Magnesium 105 1 mg/L 200.7 05/08/07:A203 200.7 05/08/2007:AOO <br /> Potassium 3 1 rng/L 200.7 (15/08/07:A203 200.7 05108120U7:A00 <br /> Sodium 623 1 mg/L 2007 05;08/07:A203 200.7 05J0812007:A00 <br /> Total Cations 46.0 meq/L Calculation Calculation <br /> Boron 4.6 0.1 mg/L 200.7 05/08/0TA203 200.7 05/0812007:A00 <br /> Copper ND 10 ug/L 10002 200.7 05/08/07:A203 2(1(1.7 05/08/201.17:.x00 <br /> Iron ND 50 ug/L 3002 200.7 05/08/07 A203 200.7 o5/U8/2007:A00 <br /> Manganese 60 10 ug/L 502 200.7 05108/07 A203 200.7 05/08/2007:AO0 <br /> Zinc ND 20 ug/L 50002 200.7 05108107:A203 200.7 05/1)13/2007 A00 <br /> SAR 8.8 0.1 mg/L Calculation Calculation <br /> Total Alkalinity (as CaCO3) 440 10 mg/L 2320B 05/08107:A202 23209 05/0812007:A00 <br /> Hydroxide ND 10 mg/L 2320B 05/08107:A202 23209 05/0812007:AOO <br /> Carbonate ND 10 mg/L 2320B 05/08/07:A202 23208 05/08/2007:A00 <br /> Bicarbonate 540 10 mg/L 2320E 05/08/07:A202 2320B 05/08/2007 AOO <br /> Sulfate 630 404 mg/L 5002 300.0 05/04107:A215 300.0 05/05/2007:AOO <br /> Chloride 790 20• mg/L 5002 3(10.) 05/04107:A215 300.0 05/05/2007:A00 <br /> Nitrate 57.9 0.4 nig/L 45 3130.0 45J04/07:A215 300.0 05/05/2007:At10 <br /> 18:00 02:20 <br /> Nitrite as N ND 0.1 mg/L 1 3WO 05/04/07:A215 300.0 05/115/2007:A00 <br /> 18:00 02:20 <br /> Fluoride ND 0.1 mg/L 2 300.0 05/04107:A215 300.0 05/05/2007:A(1(1 <br /> ".total Anions 45.2 -- meq/L Calculafian Calculation <br /> pH 7.2 -- units 4500-H B 05/03107:5340 4500-H B 05103/2007:$00 <br /> 16:25 <br /> Specific Conductance 4210 1 ulnhos/Cur 16002 2510B 05107/07:A212 2510E 05/07/2007:A00 <br /> Total Dissolved Solids 2780 820 mg/L 10002 25400 0510WOTA235 2540 C,E 05/08i2007:A00 <br /> MBAS (foaming agents) ND 0. 1 mg/L 0.12 554017 05104107:A218 554oC (15/04/2007:A00 <br /> 18:30 18:48 <br /> Aggressiveness Index 12.6 1.0 ing/L Calculation Calculation <br /> Langlier Index 0.6 1.0 mg/L Calculation Calculation <br /> Table continued next. page... <br /> STK734024: Chemical Results Page l <br /> Corporate Offices&Laboratory Office&Laboratory Field Off Ice <br /> P.O.Box 272 1853 Corporation Street 2500 Stagecoach Road Visalia,California <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 TEL: (559)734-9473 <br /> TEL: (905)392-2000 TEL: (209)942-0181 FAX: (559)734-8435 <br /> FAX: (805)525-4172 FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CA NELAPCortilicatson No.0111 OCA CA ELAP Certification No.1563 <br /> r.A Fl AP r:artif pr Linn Nn 1F71 _ <br />