National Institute of Standards & Technology, Acquisition & Assistance Div., Bldg. 301, Rm B117, Gaithersburg, MD 20899

S -- RADIOACTIVE WASTE DISPOSAL SOL 53SBNB867066 DUE 051598 POC Marsha Rodgers (301) 975-6398 WEB: NIST Contracts Homepage, http://www.nist.gov/admin/od/contract/contract.htm. E-MAIL: NIST Contracts Office, Contract@nist.gov. This is a modification to a combined CBD/Snyopsis originally published on April 24, 1998 for Radioactive Waste Disposal. The following are questions and answers regarding this action: 1. What are the isotopes of concern associated with the material? Answer: Co-60, Cs-137, Ag-110m, Zn-65, Sb-124. 2. Would disposal at Envirocare of Utah become an option if the wastes were treated to their WAC? Answer: No. 3. Does NIST's waste transport permit with South Carolina include burial at both the Chem Nuclear facility at Barnwell, and the on-site disposal facility at DOE Savannah River Site? Answer: The LLRW to be disposed of under this solicitation is not authorized to be disposed of at any DOE facility. 4. Are any of the waste streams considered RCRA Hazardous or Mixed Wastes? If so, please provide profiles of the contaminants. Answer: No. 5. Provide a rough curie content of each lot. Answer: This information is in chart form. If you require this information, please request by fax to (301)963-7732 and the information will be sent. All other information publicized in the original synopsis is correct. (0127)

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