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October 24, 1996 LAB No: STK 635407-2 <br /> Luhdorff & Scalmanini , Consulting Eng. Sampled October 16, 1996 <br /> Sample Site: Quarterly hater Sampling <br /> Description: South Tracy Prod 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 -0.2 <br /> pH 150.1 --- 7.3 <br /> E.C. 120.1 umhos/cm 1 800 1600 (b) <br /> -TDS (Residue�at 180°C) 160.1 mg/L 40 480 1000 (b) <br /> TDS (by Summation) Calc. mg/L 1 606 <br /> MBAS 425.1 mg/L 0.05 ND 0.5 <br /> Boron (B) 200.7 mg/L -0.1 ND <br /> Copper (Cu) 200.7 ug/L 30 ND 1000 <br /> Iron (Fe) 200.7 ug/L 30 330 300 <br /> Manganese (Mn) 200.7 ug/L 30 ND 50 <br /> Zinc (Zn) 200.7 ug/L 30 ND 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 ENVIRONMENTAL <br /> Charles Johnson, B.S. <br /> Laboratory Manager <br /> CJ:jgc <br />