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Standards for Environmental Analysis

Reference Materials (Proficiency Testing)

New Cod Liver Oil Interlab Study Results

Recently, Cambridge Isotope Laboratories, Inc. organized an international interlaboratory study on two cod liver oil reference materials, one spiked with known amounts of chlorinated dioxins, furans and PCBs and one clean standard. Results from participating laboratories have been received and processed, and consensus values for several classes of environmental pollutants have been assigned. Click here for full article.  


  • New Cod Liver Oil Interlab Study Results

Cambridge Isotope Laboratories, Inc. has organized international Interlaboratory studies to develop consensus values for a wide variety of matrices. Laboratories can use these certified reference materials to assess proficiency in detecting a wide variety of contaminants. Leading academic, commercial and governmental laboratories have contributed to the certified values of compounds in each reference material. Dioxins, furans, PCBs, flame retardants and POPs are some of the contaminants for which there are certified values.

Ben Priest

Ben Priest

Business Development Manager – Environmental Products

Ben Priest currently holds the position of Business Development Manager – Environmental Standards, where he is responsible for development of stable isotope labeled standards and standard mixtures to meet requirements of researchers, regulatory agencies and commercial testing laboratories worldwide. He is also responsible for development of key partnerships to develop standards for analysis of environmental, food, water, and human exposure samples.


Related Products

  • Soil
  • Sediment
  • Fish tissue
  • Incinerator fly ash
  • Cod liver oil
  • Egg (in process)