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Bill Signed on Water Test for omiulves�aLiFam:, ::; :. _ Page3 of4. <br /> concentrations in local water supplies are safe,.and <br /> that a 2<5-ppb standard for total chromium would <br /> sconwrcc;require them to close many wells and raise _ - - <br /> "_ customers' water rates. = <br /> --.-.1VI¢Sj.litilitiPc do nnt,tpc fnr rhrnmium..{g�,l��j,_YhP �-��� <br /> state has presumed that it accounts for about 7.2% <br /> of the total chromium in water. <br /> Over the past year, the state health department <br /> surveyed 30 water systems around California to <br /> determine how much chromium, which is not toxic, <br /> was made up of chromium 6. <br /> In samples taken from the San Gabriel Valley <br /> Water Co., chromium 6 made up as much as 85% of <br /> the total chromium--much higher than the <br /> presumption. <br /> The state did not report actual levels of <br /> chromium 6 in water in the San Gabriel Valley, but <br /> amounts range from 3.6 ppb to 11 ppb, according to <br /> Carol Williams, executive officer for the San Gabriel <br /> Valley watermaster's office. <br /> In tests of Los Angeles Department of Water and <br /> Power wells, chromium 6 was as high as 4.65 ppb, <br /> said Pankaj Parekh, the DWP's manager of <br /> regulatory compliance. <br /> Last month, Parekh said the DWP closed two <br /> wells in which total chromium levels registered <br /> about 20 ppb. He said officials did not test for <br /> chromium 6 levels in those wells. <br /> "We felt, better to be safe than sorry," he said. <br /> Also in response to The Times' story, Los <br /> Angeles County officials began tests of tap water at <br /> 100 facilities countywide, including fire stations, <br /> health centers and courthouses. According to <br /> preliminary results, chromium 6 was found in several <br /> places in amounts ranging from trace levels to as <br /> much as 7.5 ppb, said Wasfy Shindy, director of the <br /> county's environmental toxicology lab. He said <br /> complete results are expected next week. <br /> 4 <br /> 6 Search the archives of the Los Angeles Times for <br /> similar stories about: Chromium, Lesislation - <br /> California, Water Pollution, Public Health, <br /> Hazardous Materials. <br /> You will not be charged to look for stories, only to <br /> retrieve one. <br /> News Business Sports <br /> Politics Travel Commentary w Copyright 2000 Los Angeles Times <br /> Entertainment Classifieds Shoppine <br /> music,mwles,�, obs,homes,cars, <br />