U.S. Environmental Protection Agency, Contracts Mgmt. Div., Cincinnati, OH 45268-7001

66 -- LEASE OF INDUCTIVELY COUPLED PLASMA MASS SPECTROMETER SOL RFQ 96-107 POC William J. Wise, Contracting Officer, 513/366-2025 The Chemical Exposure Research Branch of USEPA's Human Exposure Research Division in Cincinnati, Ohio, has a requirement for lease of a new inductively coupled plasma mass spectrometer (ICP-MS) for use in an ongoing metal speciation project. This project is producing novel analytical approaches to arsenic speciation in order to provide valence state based toxicity data. These approaches are targeting separation-based technologies which will produce low PPT arsenic quantification capability. This work is currently being conducted under the National Research Council Postdoctoral Fellowship Program. A one-year lease period for the required ICP-MS is contemplated, with an option for an additional year. The ICP-MS must have excellent detection limits (in the fractional ppt concentration range), excellent abundance sensitivity ) 1.0 X 10-6 (high side), good absolute sensitivity, the ability to monitor transient signal and provide chromatographic peak integration capability, good short/long term precision at 5ppb, and excellent isotope ratio accuracy at 25ppb. All necessary hardware and software for the ICP-MS are also required under the lease. Delivery to the USEPA at 26 W. Martin Luther King Drive in Cincinnati is anticipated within 30 calendar days after the effective date of the lease, with completion of acceptance testing within 45 calendar days after the effective date of the lease. Requests for RFQ 96-107 must be in writing to the above address or faxed to Bill Wise at 513/366-2004. Telephone requests will not be honored. This is an unrestricted acquisition. All responsible sources may submit a quote which will be considered by the Agency. (0225)

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