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Chloroacetones in pulp mill chlorination‐stage effluents
Author(s) -
McKague A. B.,
Bradley D.,
Meier H. P.,
Monteith D.,
Betts J. L.
Publication year - 1990
Publication title -
environmental toxicology and chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.1
H-Index - 171
eISSN - 1552-8618
pISSN - 0730-7268
DOI - 10.1002/etc.5620091010
Subject(s) - rainbow trout , effluent , salmo , paper mill , pulp (tooth) , chemistry , juvenile , zoology , pulp mill , environmental chemistry , fishery , environmental science , biology , fish <actinopterygii> , ecology , environmental engineering , medicine , pathology
Ninety‐six h LC50 values for 1,1,3‐trichloro‐, 1,1,3,3‐tetrachloro‐, pentachloro‐ and hexachloroacetone for juvenile rainbow trout ( Salmo gairdneri ) were 2.3, 11.0, 25.0 and >25 mg/L, respectively. Levels in chlorination‐stage effluents from eight pulp mills sampled across Canada were as follows: trichloro‐, <0.1 to 2.4; tetrachloro‐, 0.4 to 6.9; pentachloro‐, 0.1 to 7.5 and hexachloro‐, <0.1 to 0.6 mg/L. Combined levels ranged from 0.9 to 17.0 mg/L.