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GEO Report No. 83
Report No. : GEO Report No. 83

Report Title : Testing of Dredged Material for Marine Disposal (1999), 74 p.

Author : EVS Environment Consultants

Abstract

This report provides guidance on environmental laboratory procedures consistent with the chemical and biological analyses being recommended as part of the TTS, focusing on the subset of priority contaminants of concern (COCs) for which interim sediment quality values (ISQVs) have been developed. Specific objectives were to:

  • Review current capabilities of environmental laboratories in Hong Kong
  • Identify and reference recognized and acceptable chemistry methodologies and bioassay protocols for marine sediments
  • Provide guidance for assessing quality and acceptability of environmental laboratory data.

Methods for performing chemical analyses for priority COCs identified for Hong Kong and biological screening tests were described. Suggested techniques for further biological assessment were also outlined. Although government and commercial laboratories in Hong Kong generally met requirements of the TTS for metal analysis, their current capabilities may not support the TTS requirements for organic analysis. There are currently no commercial laboratories in Hong Kong that perform sediment bioassay tests, so these tests will have to be performed elsewhere until capabilities can be developed.


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