Table 3. (Continued) 



Ecosystem, taxonomic group. Concentration Reference 

 collection locale, year of (ppt) 



collection, species, tissue, 

 and other variables 



NONBIOLOGICAL MATERIALS 



Soi 1 s 



Seveso Italy 



1978 3,500(10-12,000) Fanelli et al . 1980c 



1976 



Precontamination ND Fanelli et al. 1980b 



Postcontami nation 2, 300 (<0. 75-51 ,000) 

 Southwest Missouri 



1974 (220,000-440,000) Kimbrough 1984 



1971 (31,800,000-33,000,000) 



Pond sediments 



Massachusetts, 1983 



Lake Winthrop 5.9 Anon. 1984 



Other ponds (5) ND 



Municipal sewage sludge 



Milwaukee, Wisconsin 



1933 2 Lamparski et al . 1984 



1981 11 



1982 16 



Industrial chemical and sludge samples 



Trichlorophenol process 



Still, bottom 111,000,000 Van Ness et al. 1980 



Sump fluid 



Upper layer 63 



Lower layer 676,000 



Sludge 



Liquid 445,000 



14 



