TY - BOOK AU - Brock, Robert D. AU - Murtagh, Lucinda K. CN - I 19.76: CY - Denver, Colo. : DA - 1994. ID - 196640 KW - Insecticides KW - Sediments (Geology) N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 95-0614-M. PB - U.S. Geological Survey : PB - Earth Science Information Center, Open-File Reports Section [distributor], PP - Denver, Colo. : PY - 1994. T1 - Determination of chlorinated insecticides in bottom sediment using an electron-capture gas chromatography screening method, Austin, Texas, 1991 and 1992 TI - Determination of chlorinated insecticides in bottom sediment using an electron-capture gas chromatography screening method, Austin, Texas, 1991 and 1992 ER -