USGS logo

Photo from U.S. Geological Circular 1225--The Quality of Our Nation's Waters--Nutrients and Pesticides

Photo of Pennsylvania countryside.
(Photo by Albert E. Becher)
The Pennsylvania Department of Agriculture, in developing its State Pesticides and Ground-Water Strategy, has decided to prioritize ground-water areas for assess-ments of pesticides on the basis of NAWQA vulnerability concepts, pesticide analyses, and quality-assurance protocols.

up arrowBack