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i <br /> � I <br /> October 24, 1996 LAB No: STK 635407-5 <br /> Luhdorff & Scalmanini , Consulting Eng. Sampled October 16, 1996 <br /> Sample Site: Quarterly Water Sampling j <br /> Description: Hall Sample type: Drinking Water <br /> General Mineral Analytical Results <br /> CONSTITUENT METHOD UNITS DLR RESULTS MCL <br /> Aggressiveness Index Calc. --- 0. 1 12.1 <br /> Langlier Index (Corrosivity) 0. 1 0.2 <br /> pH 150.1 --- 7.4 <br /> E.C. 120.1 umhos/cm 1 1000 1600 . (b) <br /> TDS (Residue- at 180%) 160.1 mg/L 40 610 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 741 <br /> MBAS 425.1 mg/L 0.05 ND 0.5 <br /> Boron (2) 200.7 mg/L 0.1 ND <br /> Copper (Cu) 200.7 ug/L 30 ND 1000 <br /> Iron (Fe) 200.7 ug/L 30 ND 300 <br /> Manganese (Mn) 200.7 ug/L 30 ND 50 <br /> Zinc (Zn) 200.7 ug/L 30 ND 5000 <br /> HD = 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. f� <br /> FGL ENVIRONMENTAL <br /> Charles Johnson, B.S. <br /> Laboratory Manager <br /> CJ:jgc <br /> t3 <br />