REACH | Chemical Development Services | Charles River

ecotoxicology 

 


Our Ecotoxicology group is experienced in conducting studies required to assess the environmental risk of a range of test articles, including volatile, unstable or partially soluble. We have the facilities and equipment to deal with these complex test situations. In addition, we
provide a full analytical service for the method validation and routine analysis required in support of many of the aquatic studies.

Toxicity-Based Studies

  • Acute (96 h) and prolonged toxicity to cold and warm water fish (e.g., Rainbow trout, Bluegill sunfish, Carp, Fathead Minnow, Zebrafish)
  • Full range of marine species
  • Acute and prolonged toxicity to Daphnia magna
  • Algal growth inhibition (freshwater and marine)
  • Fish early life stage
  • Radiolabelled bioaccumulation and/or metabolism in fish
  • Lemna spp. growth inhibition
  • Acute toxicity to Chironomus riparius (28 day)
  • Lumbriculus variegatus


Studies undertaken to determine toxicity to terrestrial organisms and beneficial insects include:

  • Acute and reproduction toxicity to earthworms
  • Beneficial arthropods
    • Apidius rhopalosiphi
    • Typhlodromus pyri
    • Apis mellifera
    • Poecilus cupreus
    • Pardosa spp.
    • Chrysoperia carnea
  • Effects on soil microbial activity, carbon mineralization and nitrogen transformation


Biodegredation and associated investigations include:

  • Closed bottle test
  • Modified sturm
  • Modified OECD screening test
  • Zahn-Wellens test
  • Activated sludge respiration inhibition test (ASRIT)
  • Biological Oxygen demand (BOD) and Chemical Oxygen demand (COD)


For more information about our ecotoxicology services, contact us at 1.877.CRIVER.1 or askcharlesriver@crl.com.

 
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For more information, contact us at:

1.877.CRIVER.1 (1.877.274.8371)
askcharlesriver@crl.com

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Scientist I Wilmington, MA
Manager International Tax Wilmington, MA

Charles River Laboratories, Inc.