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I <br /> I <br /> I <br /> August 5, 1997 <br /> LAB No: STK 733841-6 <br /> Luhdorff & Scaimanin, Consulting Enginee Sampled July 3, 1997 <br /> Sample Site: Quarterly Water Sampling <br /> Description: Browns #1 Sample type: Drinking Water <br /> General Mineral Analytical Results <br /> n CONSTITUENT METHOD UNITS DLR RESULTS MCL <br /> w <br /> Aggressiveness Index Calc. - 0.1 12. 1 <br /> Langlier Index (Corrosivity) 0.1 0.2 <br /> pH 4500-H B --- 7.5 <br /> E.C. 2510B umhos/cm 1 870 1600 (b) <br /> TDS (Residue at 180°C) 2540C mg/L 40 680 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 686 <br /> MBAS 5540C mg/L 0.05 ND 0.5 <br /> Boron (B) 200.7 mg/L 0. 1 1.2 <br /> Copper (Cu) 200.7 ug/L 50 ND 1000 <br /> Iron (Fe) 200.7 ug/L 50 ND 300 <br /> Manganese (Mn) 200.7 ug/L 30 ND 50 <br /> Zinc (Zn) 200.7 ug/L 50 ND 5000 <br /> ND = Not Detected greater than or equal to the DLR. DLR = Detection Limit for Reporting purposes <br /> MCL = Maximum Contaminant Leve[ (California Health & safety Code, Title 22) <br /> ug/L = Microgram Per Liter (ppb) mg/L = Milligrams Per Liter (ppm) <br /> (b) Upper limit, Mineralization - Secondary Drinking Water Standards. <br /> FGL ENVIRONMENTAL <br /> Charles0hnson, B.S. <br /> Laborat ry Manager <br /> i <br /> CJ:jgc <br /> i <br /> l <br /> i <br />