ab krchl 7 newsor >> closed captioning brought to you by mancini sleepworld. >>> environmental groups filed a lawsuit over a cancer causing chemical made famous in the film ""erin brokovich"". the suit claims the department is eight years behind in establishing a drinking water standard for chromium six. tests show it's contaminated thousands of drinking water sources and officials say a compute over whether it was a carcinogen. >> and the twitter account of the daughter of michael dell has been deactivated. the teenager apparently caught oversharing and posting detail as kts of her family whereabouts. security came into question after a picture of zachary dell was posted by his sister taken on a private plane during a trip to fij i. we want to thank people who helped raise thousands of dollars. for every new like we get, $1 is donated to the sleep train dream campaign. >> and there is some special ski deals for you this winter including two of northern california's favorite resorts. this is two free days at each of four destinations including qau valley and there is a health on unlim