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f., <br /> October 5, 2000 LAB No: STK 34175-6 <br /> Luhdorff & Scalmanini , Consulting Eng. Sampled September 7, 2000 <br /> Sample Site: Quarterly Water Sampling <br /> Description: Browns nl Sample type: Drinking Water <br /> General Mineral Analytical Results <br /> CONSTITUENT METHOD UNITS DLR RESULTS MCL <br /> Aggressiveness Index Calc. --- 0.1 11 .9 <br /> Langlier Index (Corrosivity) 0.1 0.0 <br /> pH 4500-H B ----- 7.3 <br /> E.C. 25106 umbos/cm 1 916 1600 (b) <br /> TDS (Residue at 180°C) 25400 mg/L 40 600 1000 (b) <br /> n TDS (by Summation) Calc. mg/L 1 684 <br /> MBAS 55400 mg/L 0.1 ND 0.5 <br /> Boron (B) 200.7 mg/L 0.1 1.0 <br /> Copper (Cu) 200.7 ug/L 10 ND 1000 <br /> Iron (Fe) 200.7 ug/L 50 ND 300 <br /> Manganese (Mn) 200.7 ug/L 10 ND 50 <br /> Zinc (Zn) 200.7 ug/L 20 ND 5000 <br /> ND = Not Detected greater than or equal to the DLR. DLR = Detection Limit for Reporting purposes <br /> MCL = Maximum Contaminant Level (California Health & Safety Code, Title 22) <br /> ug/L = Micrograms Per Liter (ppb) mg/L = Milligrams Per Liter (ppm) <br /> (b) Upper limit, Mineralization - secondary Drinking Nater Standards. <br /> FGL ENVIRONMENTAL <br /> Kurt Wilkinson, B.S. <br /> QA Director <br /> KW:cea <br />