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II * ! ii A <br />Starting with a Substance, read across. MCL shows the highest level of substance (contaminant) <br />allowed. MCLG is the goal level for that substance (this may be lower than what is allowed). Range <br />tells the highest and lowest amounts measured. Average represents the measured amount (less is <br />better). Typical Source of Contaminant tells where the substance usually originates. Unregulated <br />substances are measured, but maximum allowed contaminant levels have not been established by <br />the government. <br />Primary Stondvrds continued on next page. <br />IFIM SANTA ANA WATER QUALITY REPORT <br />EXHIBIT 5 <br />75C -51 <br />PRIMARY STANDARDS: <br />MANDATORY <br />HEALTH-RELATED <br />STANDARDS <br />PHG <br />IMPORTED WATER <br />GROUNDWATER <br />TYPICAL SOURCE <br />PARAMETER <br />MCL <br />MCLG <br />( ) <br />Range <br />Average <br />Range <br />Average <br />OF CONTAMINANT <br />CLARITY <br />Combined Filter Effluent <br />0.3 <br />NA <br />Highest <br />0.05 <br />NR <br />NR <br />Soil runoff <br />Turbidity (NTU) ' <br />Combined Filter Effluent <br />95' <br />NA <br />%a0.3 <br />100 <br />NR <br />NR <br />Soil runoff <br />Turbidity W <br />MICROBIOLOGICAL <br />Total Conform Bacteria <br />NA <br />NA <br />NO -1.5 <br />ND <br />ND <br />ND <br />Naturally present in the <br />environment <br />RADIOLOGICALS <br />Natural Uranium FCVL) <br />20 <br />0.43 <br />2 -3 <br />-3 <br />ND -4,98 <br />2.93 <br />Erosion of natural deposits <br />INORGANIC CHEMICALS <br />Erosion of natural deposits; <br />Arsenic (ppb) <br />10 <br />0.004 <br />ND -2.2 <br />2.2 <br />ND -3.40 <br />0.3 <br />runoff from orchards, glass and <br />electronics production wastes <br />Oil and metal refineries <br />Barium (ppb) <br />1000 <br />2000 <br />ND <br />ND <br />139.00 <br />18.53 <br />discharges; natural deposits <br />erosion <br />Fluoride (ppm) <br />Erosion of natural deposits; <br />(naturally occurring) <br />2 <br />1 <br />0.2 -0.4 <br />03 <br />0.16 - 0,47 <br />0.34 <br />discharge from fertilizer and <br />aluminum factories <br />Primary Stondvrds continued on next page. <br />IFIM SANTA ANA WATER QUALITY REPORT <br />EXHIBIT 5 <br />75C -51 <br />