Community toxicity testing /
"a symposium sponsored by ASTM Committee D-19 on Water, Colorado Springs, Colo., 6-7 May 1985" "ASTM publication code number (PCN) 04-920000-16"
Includes bibliographies and indexes
080310488X
TOXICITY TESTING--CONGRESSES
BIOTIC COMMUNITIES--TOXICOLOGY--CONGRESSES
POLLUTION--ENVIRONMENTAL ASPECTS--CONGRESSES
RA1199 / C655