Quality-assurance design applied to an assessment of agricultural pesticides in ground water from carbonate bedrock aquifers in the Great Valley of eastern Pennsylvania - Breen, Kevin J.; Geological Survey (U.S.); Pennsylvania. Dept. of Agriculture (Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Branch of Information Services [distributor], 2000)
Shipping list no.: 2001-0004-P.
Includes bibliographical references (p. 19).
Mode of access: Internet.
Keywords: Groundwater -- Pollution -- Pennsylvania -- Measurement; Pesticides -- Environmental aspects -- Pennsylvania