"Prepared in cooperation with the U.S. Environmental Protection Agency and the California Regional Water Quality Control Board."Chiefly tables.Mode of access: Internet
"A description of current programs in the control of pesticides, an identification of shortcomings i...
Prepared for Office of Research and Development, U.S. Environmental Protection Agency under project ...
"National Water-Quality Assessment Program."Shipping list no.: 2001-0149-P.Includes bibliographical ...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 23-24).Mode of a...
Shipping list no.: 99-0072-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 98-0307-P."National Water-Quality Assessment Program."Includes bibliographical re...
Chiefly tables.Shipping list no.: 2001-0178-P."National Water-Quality Assessment Program."Includes b...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 83-88).Mo...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...
Shipping list no.: 99-0297-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 98-0141-P.Includes bibliographical references (p. 63-66).Mode of access: Internet
"6440-36.""National Water-Quality Assessment Program."Includes bibliographical references (p. 30-[33...
Distributed to depository libraries in paper on shipping list no.: 2005-0100-P."National Water-Quali...
Shipping list no.: 97-0255-P."National Water Quality Assessment Program."Includes bibliographical re...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 44-46).Mo...
"A description of current programs in the control of pesticides, an identification of shortcomings i...
Prepared for Office of Research and Development, U.S. Environmental Protection Agency under project ...
"National Water-Quality Assessment Program."Shipping list no.: 2001-0149-P.Includes bibliographical ...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 23-24).Mode of a...
Shipping list no.: 99-0072-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 98-0307-P."National Water-Quality Assessment Program."Includes bibliographical re...
Chiefly tables.Shipping list no.: 2001-0178-P."National Water-Quality Assessment Program."Includes b...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 83-88).Mo...
"National Water-Quality Assessment Program."Includes bibliographical references (p. 67-69).Mode of a...
Shipping list no.: 99-0297-P."National Water-Quality Assessment Program."Includes bibliographical re...
Shipping list no.: 98-0141-P.Includes bibliographical references (p. 63-66).Mode of access: Internet
"6440-36.""National Water-Quality Assessment Program."Includes bibliographical references (p. 30-[33...
Distributed to depository libraries in paper on shipping list no.: 2005-0100-P."National Water-Quali...
Shipping list no.: 97-0255-P."National Water Quality Assessment Program."Includes bibliographical re...
"National Water-Quality Assessment Program"--Cover.Includes bibliographical references (p. 44-46).Mo...
"A description of current programs in the control of pesticides, an identification of shortcomings i...
Prepared for Office of Research and Development, U.S. Environmental Protection Agency under project ...
"National Water-Quality Assessment Program."Shipping list no.: 2001-0149-P.Includes bibliographical ...