TY - BOOK T1 - Using analytical services at the National Water Quality Laboratory DA - 1994. CY - Denver, Colo. : AU - Pratt, Linda K. CN - I 19.76: PB - U.S. Dept. of the Interior, U.S. Geological Survey : PB - Books and Open-File Reports Section [distributor], PP - Denver, Colo. : PY - 1994. N1 - Distributed to depository libraries in microfiche. N1 - Shipping list no.: 95-0601-M. ID - 196929 KW - Water quality TI - Using analytical services at the National Water Quality Laboratory ER -