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I <br /> October 5, 2000 LAB No: STK 34175-1 <br /> Luhdorff & Scalmanini , Consulting Eng. Sampled September 7, 2000 <br /> Sample Site: Quarterly Water Sampling <br /> Description: Browns New Sample type: Drinking Water <br /> General Mineral Analytical Results <br /> CONSTITUENT METHOD UNITS DLR RESULTS MCL <br /> Aggressiveness Index Calc. --- 0.1 11.7 <br /> Langlier Index (Corrosivity) 0.1 -0.1 <br /> pH 4500-H B --- 7.2 <br /> E.C. 2510E umhos/cm 1 865 1600 (b) <br /> TDS (Residue at 180°C) 2540C mg/L 40 570 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 648 <br /> i` MBAS 5540C mg/L 0. 1 ND 0.5 <br /> Boron (B) 200.7 mg/L 0.1 1 .1 <br /> Copper (Cu) 200.7 ug/L 10 ND 1000 <br /> Iron (Fe) 200.7 ug/L 50 ND 300 <br /> Manganese (Mn) 200.7 ug/L 10 ND 50 <br /> Zinc (Zn) 200.7 ug/L 20 ND 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, Title 22) <br /> ug/L = Micrograms Per Liter (ppb) ng/L = Milligrams Per Liter (ppm) <br /> (b) upper limit, Mineralization - Secondary Drinking water Standards. <br /> FGL ENVIRONMENTAL. <br /> Kurt Wilkinson, B.S. <br /> QA Director <br /> KW:cea <br /> -- 1 <br /> I <br /> e� <br />