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ENVIRONMENTAL <br /> _ ti <br /> _. . nd rx <br /> �I <br /> ANALYTICAL CHEMISTS <br /> November 21, 2002 Lab ID STK235725-01 <br /> Fall Creek Engineering Customer ID: 3-14832 <br /> Attn: Peter Haase Sampled On : November 7, 2002-09:25 <br /> P.O. Box 7894 Sampled By Stephen G. Muir <br /> _ Santa Cruz, CA 95061 Received November 7, 2002-15:53 Stockton <br /> Received November 8, 2002-14:30 Santa Paula <br /> Description : Groundwater Grab a 22' Matrix Ground Water <br /> Project Jesse's Grove RWD <br /> Sample Results - Inorganic <br /> i <br /> Sample Preparation Sample Analysis <br /> Constituent Results PQL =UnitsMCL Method Date/ID Method Date/ID <br /> General Mineral P:4,5 <br /> Total Hardness 2000 2.5 mg/L Calculation Calculation <br /> Calcium 478 1 mg/L 200.7 11/09/02:A203 200.7 11/14/2002:A01 <br /> Magnesium 197 1 mg/L 200.7 11/09/02:A203 200.7 11/14/2002:AOI <br /> Potassium 22 1 mg/L 200.7 11/09/02:A203 200.7 11/13/2002:803 <br /> Sodium 19 1 mg/L 200.7 11/09/02:A203 200.7 11/09/2002:N04 <br /> Total Cations 41.5 -- nleq/L Calculation Calculation <br /> Boron ND 0.05 mg/L 200.7 11/09/02:A203 200.7 11/13/2002:BO3 <br /> Copper 280 10 ug/L 10002 200.7 11/09/02:A203 200.7 11/13/2002:1303 <br /> Iron 21600 50 ug/L 3002 200.7 11/09/02:A203 200.7 11/13/2002:BO3 <br /> Manganese 14400 10 ug/L 502 200.7 11/09/02:A203 200.7 11/13/2002:1303 <br /> Zinc 980 20 ug/L 50002 200.7 11/09/02:A203 200.7 11/14/2002:A01 <br /> Total Alkalinity (as CaCO3) 140 10 mg/L 2320B 11/12/02:A202 2320E 11/12/2002:AO1 <br /> Hydroxide ND 10 mg/L 2320E 11/12/02:A202 2320B 11/12/2002:A01 <br /> Carbonate ND 10 mg/L 2320E 11/12/02:A202 2320E 11/12/2002:A01 <br /> ` Bicarbonate 170 10 mg/L 2320B 11/12/02:A202 2320B 11/12/2002:A01 <br /> Sulfate 9 1 mg/L 5002 300.0 11/08/02:13215 300.0 11/09/2002:A08 <br /> Chloride 6 1 mg/L 5002 300.0 11/08/02:B215 300.0 11/09/2002:AO8 <br /> Nitrate 7.6 0.4 mg/L 45 300.0 I1/08/02:B215 300.0 11/09/2002:AO8 <br /> 18:30 06:29 <br /> Nitrite as N 1.09 0.1 mg/L 1 300.0 11/08/02:B215 300.0 11/09/2002:AO8 <br /> 18:30 06:29 <br /> Fluoride ND 0.1 mg/L 2 300.0 11/08/02:B215 300.0 11/09/2002:A08 <br /> Total Anions 3.3 -- meq/L Calculation Calculation <br /> pH 6.6 -- units 4500-H B 11/07/02:S246 4500-H B 11/07/2002:SO1 <br /> 08:16 <br /> Specific Conductance 191 1 ulnhos/cm 16002 2510B II/11/02:B212 2510B 11/1!!2002:BOI <br /> Total Dissolved Solids 160 40 mg/L 10002 2540C 11/1 1/02:A235 2540 C,E 11/12/2002:AOO <br /> MBAS (foaming agents) ND 0.1 mg/L 0.52 5540C 11/08/02:A218 55400 11/08/2002:B01 <br /> 16:50 17:01 <br /> Aggressiveness Index 11.8 1.0 mg/L Calculation Calculation <br /> Langlier Index 0.0 1.0 mg/L Calculation Calculation <br /> ND=Non-Detect. PQL=Practical Quantitation Limit. ♦ PQL adjusted for dilutions, concentrations, dry weight reporting, or limited sample. <br /> MCL = Maximium Contaminat Level z - Secondary Standard. <br /> .. Containers: (P) Plastic Preservatives: (4) H2SO4 pH < 2, (5) HNO3 pH < 2 <br /> STK235725: Chemical Results Page 1 <br /> 'Corporate Offices&Laboratory Office&Laboratory <br /> '.O.Box 272/853 Corporation Street Field Office <br /> 2500 SStagecoach Road <br /> `Santa Paula,CA 93061-0272 Visalia,California <br /> Stockton,CA 95215 TEL (559)734-9473 <br /> TEL: (805)659-0910 TEL (209)942-0181 <br /> ...,:AX (805)525-4172 FAX: (559)734-8435 <br /> FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No. 1563 <br /> -;A ELAP Certification No.1573 <br />