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Main Title Effects of soluble fractions of used light-weight lignosulfate type mud and hexavalent chromium on the complete larval development of crabs, Rhithropanopeus harrisii and Callinectes sapidus
Author Bookhout, Cazlyn G. ; Monroe, Robert ; Forward, Richard ; Costlow, Jr, John D. ;
Other Authors
Author Title of a Work
Bookhout, Cazlyn Greer
CORP Author Duke Univ., Beaufort, NC. Marine Lab.;Environmental Research Lab., Gulf Breeze, FL.
Publisher U.S. Environmental Protection Agency, Environmental Research Laboratory ;
Year Published 1982
Report Number EPA-600/3-82-018;
Stock Number PB82-197203
OCLC Number 14563378
Subjects Drilling muds--Environmental aspects ; Crabs--Environmental aspects
Additional Subjects Chromium ; Drilling fluids ; Toxicology ; Bioassay ; Shellfish ; Crustacea ; Survival ; Larvae ; Development ; Water pollution ; Crabs ; Mortality ; Behavior ; Lethal dosage ; Concentration(Composition) ; Water pollution effects(Animals) ; Rhithropanopeus harrisii ; Callinectes sapidus ; Particulates
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EKCD  EPA-600/3-82-018 CEMM/GEMMD Library/Gulf Breeze,FL 02/01/2008
NTIS  PB82-197203 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 64 p. : ill. ; 28 cm.
Abstract The mud aqueous fractions (MAF) and suspended particulate phase (SPP) of lignosulfonate type mud were nontoxic to the complete larval development of Rhithropanopeus harrisii. Five percent MAF and SPP were not toxic to Callinectes sapidus. Differential survival of C. sapidus larvae occurred from 5 to 50% MAF and SPP. No larvae reached the lst crab stage in 100% MAF and SPP. Statistical analayses of the data on survival, mortality and behavior are presented. Survival of R. harrisii from hatching to lst crab stage occurred in 1.1 to 29.1 ppm Na2CrO4. Estimated LC50 for complete zoeal development was 17.8 ppm Na2CrO4 and was 13.7 for development to lst crab stage. A concentration of 1.1 ppm was nontoxic, 7.2 and 14.5 Na2CrO4 were sublethal and concentrations of 29.1 to 58.1 ppm were acutely toxic. Low concentrations of Na2CrO4 caused in increase in seimming speed and high concentrations caused a decline. Survival of Callinectes sapidus occurred in 1.1 to 4.7 Na2CrO4. The LC50 for complete zoeal development was estimatd to be 2.9 ppm and the LC50 for development to lst crab stage was estimated to be 1.0 ppm. Statistical analyses of the data on survival, duration and mortality of larvae are presented.
Notes "April 1982." "EPA-600/3-82-018." Grant no. CR807374. "PB82-197203" Bibliography: p. 58-61. Photocopy.
Place Published Gulf Breeze, FL :
Corporate Au Added Ent Environmental Research Laboratory (Gulf Breeze, Fla.)
PUB Date Free Form 1982.
BIB Level m
Cataloging Source OCLC/T
OCLC Time Stamp 20080201150858
Language eng
Origin OCLC
OCLC Rec Leader 01235cam 2200289Ia 45020