http://npic.orst.edu/nptnfact.htm

NPTN fact sheets are designed to answer questions that are commonly asked by the general public about pesticides and pesticide relatedsubjects. These documents are intended to be educational in nature and helpful to consumers making decisions about pesticide use. The fact sheets can be viewed in HTML or the Portable Document Format (PDF); to view the PDF format you will need the Adobe Acrobat Reader.