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CEHTRA - Consultancy for Environmental & Human Toxicology and Risk AssessmentCEHTRA's support with marine regulation for chemicals
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OSPAR - Regulatory Marine Services

CEHTRA's support with marine regulation for chemicals If you manufacture or use chemicals for the Energy Industry or if your activity might impact the marine environment, CEHTRA can offer you top quality scientific services for regulatory compliance.

The Challenge of the marine regulation

  • A restrictive regulation with a high-skill demand is enforced;
  • Nuances exist in requirements by different Competent Authorities for the same regulation (OSPAR);
  • There are apparent inconsistencies between the chemical regulations for the same substance, same product, same use;
  • Regulatory concerns are mounting about the use of chemicals released into the marine environment.

CEHTRA offers adapted solutions to these challenges by:

  • Documenting and compiling HOCNFs for the North Sea market;
  • Bridging OSPAR with REACH, BPD, and other regulations;
  • Developing testing strategies, intelligent study design and high quality monitoring;
  • Performing sound assessments and modelling.

We have the experience

CEHTRA has gathered a team of marine ecotoxicologists and environmental risk assessors with a strong experience of various regulatory domains. Over the last few years we have helped our customers defend their dossiers before the International Maritime Organization expert group. We have worked on minimising supplementary administrative work by bridging the gap between offshore chemicals, REACH and the biocide directive for offshore chemicals.


  • Case 1: Even after all possible regulatory refinements had been carried out the marine risk assessment of an offshore biocide was still not acceptable. CEHTRA, working alongside the biocide producer, designed a monitoring study and successfully improved on the modelled environment fate data of the chemical. 
  • Case 2: For drilling activities, one of our customers invented a surfactant with a structure which provides a unique technical advantage. Unfortunately this same feature  meant that the molecule was earmarked as having a high potential for bioaccumulation. A position paper using sound estimation data from over 9 different QSARs for the partition coefficient and 3 for the bioaccumulation potential, completed with an extensive bibliographic review of experimental data on similar substances, led to the conclusion that there was low likelihood for this chemical to bioaccumulate in organisms. Competent authorities accepted the paper and the chemical passed the evaluation with the highest environmental score.
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®Cehtra • March 2018