State health regulators on Thursday issued orders formalizing cleanup work already in progress to stanch the the flow of hazardous liquid seeping into Sand Creek spreading underground from Suncor Energy’s refinery to an adjacent Metro Wastewater plant.
By Bruce Finley/Denver Post
U.S. Environmental Protection Agency cleanup coordinators determined that the black goo oozing from the bank of Sand Creek north of downtown Denver is “a gasoline-like material” that contains cancer-causing benzene. Highly toxic
benzene has been linked to leukemia, and federal authorities have determined that even minute amounts are harmful.
EPA lab test results released Thursday evening indicate benzene concentrations ranging from 2,000 parts per billion, where the liquid enters Sand Creek, to 480 ppb, where the creek enters the South Platte River — well above the 5 ppb
national drinking-water standard. Read more …