| OCR Text |
Show EPA Docket No. CERCLA-VIU-93-10 4 13. Several exposure routes are associated with lead and arsenic contamination conditions at the Bingham Creek Channel Site'. Direct contact" ingestion, inhalation, and inhalation in of the lead and/or arsenic contaminated resulting. ingestion soils and dust pose the primary exposure pathways. RELEASE OR THREAT OF RELEASE 14. 1992) activities, EPA During site, assessment (1990 identified lead and arsenic' in the soil of residential properties - in the vicinity of Bingham Creek Channel as a potential threa to human health and' welfare. EPA perfonned a removal action to the threat mitigate potential posed by the contaminated soil in 50 residential properties. The presence of the large volume of tailings at the Site containing high' concentrations of lead and arsenic poses a continuing threat of release down-channel and recontamination of previously remediated residential property. The health based action level for lead at the above mentioned This level was designed to residential removal was 2,500 mg/Kg. address only the most critical levels of contamination. 15. Population growth adjacent to and near the Bingham The 1980 census report Creek Channel continues to accelerate. indicated that, approximately 1,360 people lived within a 4 mile The 1990 census report indicated that the radius Qf the Site. is population approximately 2,450 for the corresponding area. New residential development long the channel continues' and more is pl.anned.. RESPONDENTS ARCO is the owner_and/or operator of, the AReo Tailings, 16. facility along Bingham Creek Channel, from which hazardous substances were disposed of" and/or released into Bingham Creek. ARea, through its pre,decessor' in interest, owned or operated, at: the time of disposal, facilities along J;3ingham Creek Channel from which hazardous substances were disposed of' and/or released into Bingham Creek. ARCO, a corporation incorporated under the laws of the State of Delaware, 'is qualified to perform the actions set a forth in this Order. Kennecott is the owner and/or 'operator of. facilities along Bingham Creek Channel from which hazardous substances were Kennecott and/or disposed of and/or released into Bingham Creek. its predecessor in interest owned or operated, at the time of ,17. disposal, facilities along Bingham Creek Channel from which hazardous substances were disposed of and/or.released into Kennecott,' two corporations incorporated under Bingham Creek. the laws of the ,State of Delaware, is qualified to perform the actions set forth in this Order. i' |
