Cape Hatteras National Seashore, Rt. 1 Box 675, Manteo, NC 27954

46 -- REDUCTION OF TRIHALOMETHANE (THM) FORMATION IN THE DRINKING WATER PRODUCED BY THE CAPE HATTERAS NATIONAL SEASHORE WATER PLANT BY RETROFITTING THE EXISTING SYSTEM Sol 1443PX519096006. Due 070396. Contact, Judith M. Ryan, 919-473-2111 x 129, fax 919/473-2595, Contracting Officer. Cape Hatteras National Seashore water treatment plant is located in Buxton, Dare County, NC. The raw water source is taken from four shallow wells, each well feeds the water treatment plant at 20 maximum gallons per minute. Annual average trihalomethane (THM) concentration of samples collected in 1992 and 1993 is 0.19 mg/liter, exceeding allowable limit of 0.10 mg/liter. Water useage is highly seasonal and varies from 3,100 gallons daily in winter to 66,700 gallons daily in the summer season. Any requests for Reduction Proposal information should be by mail or facsimile. All responsible sources may submit information. (158)

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