| OCR Text |
Show EPA Docket No. CERCLA-VlII-93-10 4 3. Several exposure routes are associated with lead and arsenic contamination conditions at the Bingham Creek Channel Site. Direct contact, ingestion, inhalation, and inhalation resulting in ingestion of the lead and/or arsenic contaminated soils and dust pose the primary exposure pathways. RELEASE QR THREAT OF RELEASE I 1992) activities, EPA identified lead and arsenic in the soil of residential properties 4. During site assessment (1990 - in the/vicinity of Bingham Creek Channel as a potential threat to human health and welfare. EPA performed a removal action to mitigate the potential threat 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 pos'es a continuing threat of release dowp-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 Creek Channel continues to accelerate. The 1980 census report indicated that approximately 1,360 people1lived within a 4 mile The 1990 census report indicated that the radius of the Site. is approximately 2,450 for the; corresponding area. population New residential development along the channel continues and more is planned. RESPONDENTS is the and/or operator of the ARca Tailings, Creek Channel, from which hazardous f,acili.ty along Bingham subseances were disposed of- and/or released into Bingham Creek'-. ARCa, through its predecessor in interest, owned or' operated, ar the time o'f' disposal, facilities along Bingham Creek Channel from which hazardous substances were disposed of and/or released into Bingham Creek. ARCa, a corporation incorporated under the laws of the State of Delaware, is qualified to perfor.m the actions set forth in this Order. 6. AReo owner a . Kennecott is the owner and/or operator of facilities L7. 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 disposal, facilities along'Bingham Creek Channel from which .zardous 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. |
