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Primary Standards -Mandatory Health-Related Standards <br /> r___~__..____.__ ~.V.d.__ <br /> CLARITY PHG Imported Water Groundwater Typical Source Of <br /> MCL <br /> Parameter w~ (MCLG) Range Average Range Average Contaminant <br /> Combined Filter Effluent i <br /> 0.3 NA Highest I 0.06 NR NR Soil runoff <br /> Turbidity (NTU) <br /> _ t . { <br /> t <br /> Combined F£Iter Effluent i ~ ) ! ~ ~ <br /> Turbidity 95(a) £ NA ~ % <0.3 100 NR NR Soil runoff <br /> _._.__..__1. ....~,_,.__.._...._.__.._~___.._._....._.__L. _._..___.____L__._._ -_--._.~~W__~__._._ i <br /> Turbidity: Is a measure of the cloudiness of the water It is monitored in our imported water source because it is a good indicator of the effectiveness of the filtration <br /> system <br /> MICROBIOLOGICAL PHG Imported Water Groundwater Typical Source of <br /> MCL <br /> Parameter (MCLG) Range Average Range Average Contaminant <br /> Naturally present in the <br /> Total Coliform Bacteria (b) NA NA ND - 0.2 0 ND ND <br /> environment <br /> RADIOLOGICALS <br /> Gross Alpha activity (pCi/L) 15 0 ND - 9.3 5.4 ND - 9.49 3.02 <br /> Erosion of natural deposits <br /> Natural Uranium (pCi/L) Zp 0.43 2.4 - 3.7 3.1 ND - 8.79 3.68 <br /> r...__~.._.~,..__...v <br /> i INORGANIC CHEMICALS <br /> t <br /> ~ Erosion of natural deposits; <br /> Arsenic (ppb) 10 0.004 ~ ND - 2.6 ! 2.2 - 2.3 i ND 2 9 £ 0.38 runoff from orchards, glass <br /> ~ Highest RAA ~ p ~ and electronics production <br /> - ~ I 's wastes ~ <br /> _ _....1 _ , <br /> {___.__~__.~__._.e <br /> £ Od and metal refineries <br /> i <br /> Barium (ppb) 1000 2000 ! 110 - 140 ~ 125 ~ ND - 153 t 19.4 discharges; natural deposits$ <br /> ' t £ erosion <br /> Fluoride (ppm) i ~ i ~ Erosion of natural deposits <br /> (naturally occurring) 2 1 0.2 0 4 0.3 , 0.17 - 0 48 0 33 discharge from fertilizer and ~ <br /> i aluminum factories <br /> ~TreatmenPPmelated~ ,_-_.~,.c) 0 7 1 3 8....... ~ NA ^_..._NA.._. ealth additive for dental„ y <br /> ! <br /> Nitrate (as NO3 ppm) 45 i 45 NC ~ NC ~ ND 38.00 3 10.59 ; Runoff and leaching from <br /> r _ _ £ fer lizeruse eac ' { <br /> .~...._-______--°4...,-..,_.._........._...- ._y ti , I hing from <br /> Nitrate and Nitrite (as N I - septic tanks and sewa e; <br /> ppm) 10 I 10 I NC j NC ND 8 59 2 39 g <br /> t _ erosion of natural deposits ' <br /> I <br /> ~.5._`. <br /> ~ ~ Refineries, mines, and <br /> Selenium (ppb) 50 (50) ND ND NR NR chemical waste discharges; <br /> { <br /> runoff ~ <br /> . _ . ~ _ _ . w__,-.._ <br /> SPECIAL EDUCATIONAL STATEMENT REGARDING NITRATE: Nitrate levels may rise quickly for short periods of time because of rainfall or agricultural activity. <br /> Nitrate in drinking water at levels above 45 mg/L is a health risk for infants of less than six months of age. Such nitrate levels in drinking water can interfere with the <br /> <br /> : capacity of the infant's blood to carry oxygen, resulting in a serious illness; symptoms include shortness of breath and blueness of the skin. Nitrate levels above 45 mg/L <br /> may also affect the ability of the blood to carry oxygen in other individuals, such as pregnant women and those with certain specific enzyme deficiencies. If you are <br /> caring for an infant, you should ask advice from your health care provider. <br /> 75C-26 <br /> <br />