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a�µ aLCpRo <br /> 4 1.: <br /> ANALYTICAL CHEMISTS , <br /> September 8, 2006 Lab ID STK637202-05 <br /> Customer ID: 3-12023 <br /> Luhdorff & Scalmanini, Consulting Eng. <br /> Attn: Till AngermAnh- Sampled On : August 21, 2006-13:25 <br /> 500 First Street Sampled By Gary Wuest <br /> Woodland, CA 95695 Received August 21, 2006-17:00 Stockton <br /> Received August 22, 2006-12:00 <br /> Description : Hall Matrix System <br /> Project Quarterly Water Sampling <br /> Sample Results - Inorganic <br /> Sample Preparation 1 Sample Analysis <br /> Constituent Results PQL UnitsMCL Method Date/ID Method Date/ID <br /> General Mineral P:I,5,4 <br /> pH 7.5 -- units 4500-H B 08/21/06:S346 08!2112006:500 <br /> # 15:05 <br /> General Mineral P:1.5,4 i <br /> i <br /> Total Hardness 274 2.5 mg/L Calculation Calculation <br /> Calcium 75 1 mg/L 200.7 08/23/06:B203 200.7 08124/2006:A(1O <br /> Magnesium 21 1 mg/L 200.7 08/23/06:B203 200.7 08124/2006:AOO <br /> Potassium 2 1 mg/L 200.7 08123/06:9203 200.7 08124/2006:A00 <br /> Sodium 86 1 mg/L 200.7 08/23/06:B203 200.7 08/2412006:A00 <br /> Total Cations 9,3 -- meq/L Calculation Calculation <br /> Boron 0.4 0.1 mg/L 200.7 08123/06:8203 200.7 08/24/2006:A00 <br /> } Copper ND 10 ug/L 10002 200.7 08/23106:8203 200.7 08124/2006:A00 <br /> Iron ND 50 ug/L 3002 200.7 08/23106:8203 200.7 08124/2006:AOO <br /> Manganese ND 10 ug/L 502 200.7 08123106:B203 200.7 08/24/2006:A00 <br /> C Zinc ND 20 ug/L 50002 200.7 08/23/06:B203 200.7 0824/200&A00 <br /> ` Total Alkalinity (as CaCO3) 220 10 mg/L 23208 08/24106:A202 2320E 08/2412006:A00 <br /> Hydroxide ND 10 mg/L 2320B 08/24106:A202 2320E 08124/2006:AOO <br /> Carbonate ND IO mg/L 23208 08/24/06:A202 23208 08/24/2006:A00 <br /> Bicarbonate 260 10 mg/L 2320B 08124106:A202 2320B 08/24/2006:A00 <br /> Sulfate 67 1 mg/L 5002 300.0 08/22106:A215 300.0 08122/2006:A00 <br /> Chloride 137 2* mg/L 5002 300.0 08/22106:A215 300.0 0812212006:A00 <br /> Nitrate 19.0 0.4 mg/L 45 300.0 08122106:A215 300.0 0812212006:A00 i <br /> 16:00 19:26 <br /> Nitrite as K ND 0.1 mg/L 1 300.0 08122106:A215 300.0 08/22/2006:AO0 <br /> 16:00 19:26 <br /> Fluoride 0.2 0.1 mg/L 2 300.0 08122/06:A215 300.0 08r22/2006:A00 <br /> Total Anions 9.8 -- meq/L Calculation Calculation <br /> Specific Conductance 992 1 umhos/cm 16002 2510E 08/23/06:8212 08/23/2006:AOO <br /> Total Dissolved Solids 630 40 mg/L 10002 2540C 08124/06:A235 2540 CX08125120o6:A00 <br /> Total Dissolved Solids (sum) 667 -- mg/L Calculation Calculation <br /> MBAS (foaming agents) ND 0.1 mg/L 0.52 55400 08122106:A218 5540C 08/22/2006:COO <br /> I8:24 18:34 <br /> �+ Aggressiveness Index 12.1 1.0 mg/L Calculation Calculation <br /> Table continued next page... STK637202. Chemical Results Page 9 <br /> Corporate'Offices&Laboratory Oft ice&Laboratory Field Office ; <br /> P.0,Box 2721853 Corporation Street 2500 Stagecoach Road Visalia,California <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 TEL: (559)734-9473 <br /> TEL: (605)392-2000 TEL: (209)942-0184 FAX: (559)734-6435 <br /> FAX: (805)525-4172 FAX- (209)942-0423 Mobile: (559)737-2399 <br /> CA NELAPCertificatiort No 0114 OCA CA ELAP Certification No. 1563 <br /> /ter r•I aM h..r:r�-:-��1� aC�ry <br />