Mason D. Gilbert

Toxicity to fish of flame retardant fabrics immersed in their water. Part I

SummaryA number of commercial and candidate flame retardants were studied with regard to their toxicity to fish when released from fabrics immersed in their water. Immersion of laundered or unlaundered flame retardant 100% polyester or polyester blend fabrics used in childrens sleepwear in water containing goldfish resulted in release of the anticholin-esterase flame retardant TDBPP (tris(2,3-dibromopropyl) phosphate) and death of all fish within 24 hours. TDBPP undergoes loss of HBr in water and production of a metabolite.

Residues of Dacthal herbicide in carrots.

SummaryResidues of Dacthal and its monoacid and diacid hydrolytic ester cleavage metabolites were determined in carrots to which the herbicide was applied on seven plot locations throughout the United States. Residue levels of Dacthal appeared more closely related to the rate of application than to other field parameters. Traces of the monoacid metabolite were found in a few samples. The diacid metabolite was not detected in any of the samples.