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c. Water quality of the raw water was typical of the A-Groove aquifer on <br />the WRNM site with moderate conductivity (1,180 umhos/cm-, pH <br />(8.6), SAR (30.81, sodium (277 mg/I), TDS (706 mg/I) and high <br />fluoride (17.5 mg/II. <br />d. In 1992, raw water was pumped from A-Groove well 90-1 and <br />utilized for process feed and domestic uses. The following is <br />pumpage information for 1992: <br /> January February March April <br />Pumpage (gal.) 1,021,000 1,471,400 1,474,500 1,276,750 <br />Average (g.p.m.l 22.9 35.2 33.0 29.6 <br /> Mav ne July August <br />Pumpage (gal.) 1,037,800 1,701,350 1,212,200 145,250 <br />Average (g.p.m.) 23.2 39.4 49.6 3.3 <br />• <br /> September Oc er November December <br />Pumpage (gal.) 330,400 2,495,350 1,517,800 2,761,900 <br />Average (g.p.m.) 7.6 55.9 35.1 61.9 <br />Pumpage quantities (total of 17.45 million gallons or 33.2 gpm) were <br />much less than allowed (110 gpm1, and similar to what was <br />anticipated 1'or mine water makeup and processing. <br />e. Process modifications included change of flow to and from <br />crystallizers, increase flow quanities and reduce barren fluid <br />temperature. <br />f. Bird filter spray nozzles continued to successfully wash the wet bicarb <br />on the filter and have maintained low sodium chloride content of <br />. product. <br />23 <br />