"Niagara-on-the-Lake" on cover. "September 20th-24th, 1992" on cover. Sponsored by International Association of Hydrogeological Sciences (IAHS). Sponsored by Environment Canada Sponsored by Waterloo Centre for Groundwater Research. Sponsored by Groundwater and soil Remediation Program (GASReP). Sponsored by Wastewater Technology Centre. National Centre for Groundwater Research (USA).

Some hydrological throughts on in situ bioremediation of groundwater/John A. Cherry--Engineering and hydrogeological problems associated with in situ treatment/Perry L. McCarty and Lewis Semprini--An overview of the proposed regulations for biotechnology products by environment Canada under the Canadian Environmental Protection Act/Terry McIntyre--Performance and cost evaluation of bioremediation techniques for fuel spills/C.H. Ward..{et al.}--DOE/SRS integrated demonstration: in situ bioremediation of soil and groundwater at a chlorinated solvent contaminated site using horizontal wells to inject air and methane/Terry C. Hazen..{et al.}--optimizing bioventing in shallow vadose zones and cold climates/Andrea Leeson..{et al.}--Bioventing for in situ remediation/Michael D. Lee..{et al.}--Field and laborator evidence of in situ biotransformation of chlorinated ethenes at two distinct sites: implications for bioremediation/David W. Major..{et al.}--Use of pseudomonas Aeruginosa UG2 biosurfactant in soil bioremediation/J.T. Trevors..{et al.}--In situ microbial filters/R.T. Taylor..{et al.}--Nitrate as an alternate electron acceptor for in situ bioremediation of gasoline- contaminated groundwater/J.F.Barker..{et al.}--An in situ device for examining biotransformation processes/Robert W. Gilham..{et al.}--The occurrence and roles of porphyrins in the environment possible implications for bioremediation/Suzanne Lesage..{et al.}-Creosote bioremediation: optimizing the biodegradation of PAHs/P.H. Pritchard-- Natural degradation rates of BTEX Compounds and napthalene in a sulphate reducing groundwater environment/Joseph Thierrin..{et al.}--Role of hydrogen in the biotransformation of chlorinated ethenes by an anaerobic mixed culture: implications for bioremediation/James M. Gossett..{et al.}-- Biodegradation modelling with application to sandy versus silty aquifers/Philip B. Bedient..{et al.}--Application of genetic engineering to microorganisms for in situ bioremediation/Alan R. Harker--Information requirements and a step-wise process for the feasibility evaluation and validation of bioremediation/Evan E. Cox..{et al.}--Soil amendments for bioremediation: fundamental interactions/Alan G. Seech..{et al.}--Influence of redox conditions on organic contaminant biotransformation/Edwar J. bouwer..{et al.}--In situ bioventing of a diesel fuel spill/T.L. Bulman..{et al.}--A solid phase bio-reactor for remediating hydrocarbon and salt contaminated soils and sludges/R.M. Danielson..{et al.}.