2.1.1 Narrative
The removal has demolished the smelter buildings (including the bag house). Prior to demolition, asbestos abatement removed all asbestos containing materials from one of the furnaces identified as containing asbestos insulation. While on-scene the asbestos abatement subcontractor removed other asbestos containing materials including wall mastic, and flooring. Both buildings will be deconstructed in a controlled manner. Dust control was a big concern and the buildings were be vacuumed and wetted prior to deconstruction. The removal generated several waste streams, including concrete debris, metal debris, miscellaneous non-hazardous municipal waste, and a limited amount of possibly hazardous waste. The concrete debris has been broken up into small pieces and used as fill in on-site vaults. Metal debris has been salvaged and sold as scrap. Miscellaneous non-hazardous construction waste was disposed of in an appropriate landfill. Presently, two waste streams are being analyzed to determine if material is classified as hazardous under RCRA or California Title 22.
2.1.2 Response Actions to Date
Results of the STLC and TCLP analyses conducted on the smelter residue and drill cuttings left on-site by the Remedial Program's contractor determined the residue is not considered a California Hazardous Waste. Further, there were no radioactive isotopes found in the wastestreams. On September 13, 2010, OSC Weden returned with three (3) ERRS Contractor personnel. Approximately fifty (50) drums of drill cuttings were emptied and consolidated with the smelter residue. This material was transported for disposal at a local landfill and the site was secured. 2.1.3 Enforcement Activities, Identity of Potentially Responsible Parties (PRPs)
2.1.4 Progress Metrics
Waste Stream | Medium | Quantity | Manifest # | Treatment | Disposal | ACM | | | | | | Waste Oil | | | | | | | | | | | |
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