Some references I've managed to dig out: Anderson, J.F. and M.A. Wojtas. 1986. Honey bees contaminated with pesticides and polychlorinated biphenyls. J. Econ. Entomol. 79: 1200-1205. Bromenshenk, J.J. et al. 1985. Pollution monitoring of Puget Sound with honey bees. Science 227: 632-634. De Jong, D. et al. 1977. Selenium in pollen gathered by bees foraging on fly ash-grown plants. Bull. Environ. Contam. Toxicol. 18: 442-444. Gilbert, M.D. and D.J. Lisk. 1978. Honey as an environmental indicator of radionuclide contamination. Bull. Environ. Contam. Toxicol. 19: 32-34. Morse, R.A. et al. 1987. Polychlorinated biphenyls in honey bees. Bull. Environ. Contam. Toxicol. 38: 271-276. Morse, R.A. et al. 1980. Analysis of radioactivity in honeys produced near Three-Mile Island nuclear power plant. Nutr. Rpts. Int. 22: 319-322. Morse, R.A. and D.J. Lisk. 1980. Elemental analysis of honeys from several nations. Am. Bee J. 120: 522-523. Tong, S.S.C. et al. 1975. Elemental analysis of honey as an indicator of pollution. Arch. Environ. Health 30: 329-332. =============================================================== Thomas W. Culliney * Phone: (808) 973-9529 Hawaii Dept. of Agriculture * Facsimile: (808) 973-9533 Division of Plant Industry * E-mail: [log in to unmask] 1428 South King Street * Honolulu, Hawaii 96814 * U.S.A. * *************************************************************** "...but in the minds of most men, the learned as well as the vulgar, the idea of the trifling nature of his pursuit is so strongly associated with that of the diminutive size of its objects, that an _Entomologist_ is synonymous with every thing futile and childish."--Kirby & Spence (1816) ===============================================================