See:
_Proc. Natl. Acad. Sci. U.S.A._, 87, 7772-7786 (1990)
_Science_, 249:970-971 (13 Aug. 1990)
_Science_, 236:271-280 (17 Apr. 1987)
_Chem. Eng. News_, Jan. 7, 1991, pp. 28-32
_Proc. West Soc. Weed Hrt._, V.45 pp. 15-20 (1992)
<Donald Gislason said:>
<I would appreciate reliable statistics concerning the amount of pesticides>
<consumed per year in the average North American diet.>