Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Acute Toxicities of Selected Heavy Metals to the Softshell Clam, 'Mya arenaria'.
Author Eisler., Ronald ;
CORP Author Environmental Research Lab., Narragansett, RI.
Year Published 1977
Report Number EPA/600/J-77/150;
Stock Number PB-295 383
Additional Subjects Clams ; Toxicology ; Mollusca ; Marine biology ; Shellfish ; Bioassay ; Concentration(Composition) ; Lethal dosage ; Tests ; Copper ; Cadmium ; Zinc ; Lead(Metal) ; Manganese ; Nickel ; Salinity ; Temperature ; Seasonal variations ; Soft shell clams ; Heavy metals ; Reprints ; Toxic substances ; Mya arenaria
Library Call Number Additional Info Location Last
NTIS  PB-295 383 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 11p
Static acute toxicity bioassays with adult softshell clams and salts of copper, cadmium, zinc, lead, manganese, and nickel were conducted at 30 o/oo salinity and 22C. Concentrations fatal to 50% in 168 hours, in mg/l (ppm) metal added at start, were 0.035 for Cu, 0.150 for Cd, 1.55 for Zn, 8.80 for Pb, 300.0 for Mn, and >50.0 for Ni. Additional tests were conducted with Zn2+ and Cu2+ at 30 o/oo during fall (17.5C) and winter (4C); clams displayed increasing survival with decreasing temperature. For Cu, LC-50 (336 hr) values at 17C and 4C were 0.086 and >3.00 mg/l, respectively; for Zn these were 2.65 and >25.0, respectively.