U.S. Dept. of Commerce, NOAA, WASC, Acquisition Management Division, Contracts Branch A WC31, 7600 Sand Point Way NE, Bin 15700, Seattle, WA 98115-0070

A -- SEDIMENT TOXICITY TESTING OF SAMPLES COLLECTED IN CHESAPEAKE BAY AND NEW JERSEY HARBOR. SOL 52ABNC800054 DUE 041698 POC To request a copy of the solicitation, contact B.J. Huyck at "voice" (206)526-4499 or "fax" (206)526-6025, or for further information, contact Contract Specialist, Don Wadhams at (206)526-6036. Perform sediment toxicity tests (10-day solid phase survival tests with marine amphipod Ampelisca abdita on 100 sediment samples collected in Chesapeake Bay and New Jersey Harbor. Solid-phase amphipod bioassay shall follow the basic procedures of the American Society for Testing Materials (ASTM, 1993) for testing of marine and estuarine sediments with amphipods. Tests shall be performed with Ampelisca abdita in quintuplicates with 10-day static exposures to solid phase sediments. Select and test sediment from outside the study area for use as a negative performance control. Each batch os samples tested shall be accompanies by a test of a positive control slected by the Contractor. The performance period for this contract shall begin July 1, 1998 and run through February 1999 (samples will be collected in July & August). Options for testing of samples collected in 1999 and 2000 are included. All interested concerns may submit offers which will be considered by the Government. (0061)

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