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i <br /> April 23, 1997 LAB No: STK 732038-4 <br /> Luhdorff & Scalmanini , Consulting Eng. Sampled April 9, 1997 <br /> Sample Site: Quarterly Water Sampling <br /> Description: Faulkner Sample type: Drinking Water <br /> I <br /> General Mineral Analytical Results <br /> CONSTITUENT METHOD UNITS DLR RESULTS MCL <br /> Aggressiveness Index Calc. ---- 0. 1 10.5 <br /> Langlier Index (Corrosivity) 0. 1 -1.4 <br /> pH 4500-H B --- 5.8 <br /> E.C. 25108 umhos/cm 1 980 1600 (b) <br /> TDS (Residue at 180°C) 2540C mg/L 40 590 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 731 <br /> MBAS 5540C mg/L 0.05 ND 0.5 <br /> Boron (B) 200.7 mg/L 0.1 4 <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 /> I <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 /> 4 <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 /> Charles Joh on, B.S. <br /> Laboratory anager <br /> CJ:jgc <br /> I <br /> I <br /> i <br /> � s <br />