lab15 - NOTES 89 ISacxx1. J . J ., A ND A . W . L...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
NOTES 89 ISacxx1. J. J., AND A. W. LAWRENCE. 1975. Kinetics of mercury methyfatiom in aerobic and anaerobic envirc~rnments. J. \RFater Poliut. Contmi Fed. 47: 835- 152. D'ITRI, F. M. 1972. The cnvirc~mniental mercuq problem. Chemicai Rubber Co. Press, Clevelandad. OH. 124 p. ~N\'IRONMENT CANADA. 1977. Mercury: methods for sanlp!ing, pres- ervation and analysis: A Report to the Environmental Con- taminants Program Steering Committee of Fisheries and Envi- ronment Canada, Ottawa. FOOT, C . . , ~ND C. B . TAYLOR. f 949. The influence of the compo- sition of the medium on the growth of bacteria from water. Prsc. Soc. Appl. Bacteriol. 1: 11 - 13. HEM. J. D. 1970. Chemical behavior of mercury in aqueous t-kieeliif. Hvz Mercury in the envirsnnlcnt, GeoI. Suw. Pap. 7 13, U.S. Government Printing Office, Washington, DC. KOHRTYOHANN, S. R.. ,INTI M. KHALIL. 8976. Variables in the deter- mination of mercury by cold vapor atomic absorption. Anal. Chem. 18: 136- 139. KWENKEL,, P. A. 1974. Mercury: environmental considerations, Part II. CRC Crit. Rev. Environ. Control 4:. 251-339. MOSER, H. @. , F. VOIC~HT. 1957. Dismutation of mercurous dimer in dilute scdiutions. J. Am. Chem. Sos. 79: 1837- 1839. NELSON, D., W. HI AIR, Ei. BRINCKMAN, R. R. COLWLL, P. IVERSON. 1973. Bio-degradation of phenylmrcuric acetate by mercury-resistant bacteria. Appl. Microbi~i. 26: 321 -326. OTTAWA RIVER ~CIJECT, FINAI. REPORT. 1977. Distribution and transport of pollutants in $lowing water ecosystems. Naal. Wes. Counc. Can. Ottawa, Canada. 1165 p. RAMA~IOORTHY, S., D. $. KUSHNER. 1975. Binding of mercuric and other heavy metal ions by microbial growth media. Microb. Ecol. 2: 162-376. SUMMERS, 0.. E. LEWIS. 1973. Volatilization of mercuric chloride by mercury-resistant plasmid-bearing strains of E. cdi, St~~phyioe~occrrs aweus and Pseudomon~~.~ caeruginssa. Bacteriol. 1 13: 1070- 1092. Use of NaCl as a Reference Toxicant far Goldfish, Cam~st'us aarafus w. THREADER A. H. HOUSTON Deparbineret sf Biological Sciences, Brock Ut/rza'versity, St. Cabharinss, Bna. L2S 3AB THREADER, R. W., AND A. HOUSTON. 1983. Use of Nacl as a reference toxicant for goldfish, C~zms%.ius CIUPCI~MS. Can. Fish. Aquat. Sci. 40: 89-92. The 240-h NaCl LC50 for goldfish, Curassius aurutus, was estimated as 201.1 (SE 6.7) mmol * L-', a concentration well in excess of one recently published value, but consistent with earlier observations on the tolerance of this species for hypersaline conditions. Evidence for operation af several lethal effects that vary in intensity with time, the absence of a well-defined relationship between dose and mortality within an intermediate range of lethal NaCl concentrations, and the strong likelihood of size-related variation in individual sensitivity to NaCl suggest that NaCl is am inappropriate reference toxicant for use in static biasassays involving this species. Key worcks: NaCI, goldfish, toxicity W., HOUSTON. 1983. sf NaCl as a reference toxicant for goldfish, Carussiils OUFU.(IPUS. Can. 5. Fish. Aquat. Sci. 40: 89-92. Aprks 240 h d'exposition, la CL 50 de NaCl du pcsisson dok, Carasstus akaratus, s'C1Eve B 201,1 (SE 6,7) mmol L -', concentration netternent supdrieure a une autre r6cemment publike, mais conforme aux observations antCrieures sur la tolCrance de cette espkce ewers des conditions hypersalines. Les faits suivants portent
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

lab15 - NOTES 89 ISacxx1. J . J ., A ND A . W . L...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online