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August 5, 1997 LAB No: STK 733841-5 <br /> Luhdorff & Scaimanin, Consulting Enginee Sampled July 3, 1997 <br /> Sample Site: Quarterly Water Sampling <br /> Description: Hall Sample type: Drinking Water f <br /> i <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 4500-H B --- 7.4 <br /> E.C. 25106 umhos/cm 1 1000 1600 (b) <br /> TDS (Residue at 180°C) 25400 mg/L 40 630 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 733 <br /> MBAS 5540C mg/L 0.05 NO 0.5 <br /> Boron (B) 200.7 mg/L 0.1 0.7 <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 NO 50 ! <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 /> MGL = Maximum Contaminant Level (California Health & Safety Code, Tit Le 22) <br /> ug/L = Micrograms Per Liter (ppb) mg/L = MiLLigrams Per Liter (plan) <br /> (b) Upper limit, Mineralization - Secondary Drinking Water Standards. <br /> FGL ENVIRONMENTAL <br /> Charles Jo nson, B.S. <br /> Laborator Manager <br /> CJ:jgc <br /> 1 <br /> 10) <br /> i <br /> 1 <br /> i� <br /> i <br />