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i <br /> E 3 <br /> August 5, 1997 LAB No: STK 733841-1 <br /> Luhdorff & Scaimanin, Consulting Enginee Sampled July 3, 1997 <br /> Sample Site: Quarterly Water Sampling <br /> Description: Browns New Sample type: Drinking Water <br /> I <br /> i <br /> General Mineral Analytical Results <br /> CONSTITUENT METHOD UNITS DLR RESULTS MCL <br /> Aggressiveness Index Calc. ---- 0. 1 11 .8 <br /> Langlier Index (Corrosivity) 0. 1 -0. 1 <br /> pH 4500-H B ---- 7.2 <br /> E.C. 25106 umhos/cm 1 820 1600 (b) <br /> TDS (Residue at 180°C) 2540C mg/L 40 580 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 669 <br /> MBAS 5540C mg/L 0.05 ND 0.5 <br /> Boron (B) 200.7 mg/L- 0. 1 1 .3 <br /> Copper (Cu) 200.7 ug/L 50 NO 1000 <br /> Iron (Fe) 200.7 ug/L 50 7400 300 <br /> Manganese (Mn) 200.7 ug/L 30 290 50 j <br /> Zinc (Zn) 200.7 ug/L 50 NO 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 Water Standards. <br /> FGL ENVIRON ENTAL <br /> Charles ohnson, B.S. <br /> Labora ry Manager <br /> i ' <br /> CJ:jgc <br /> i <br /> Note: Cation/anion balance is not of regulatory limits. All analyses have been <br /> confirmed. Constituents not analyzed may be affecting the balance. <br /> I � <br /> i <br /> 3 <br /> I <br /> t <br />