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Example text

The confidentiality issues are still of concern, especially regarding the publishing of the calculated Hazard Quotient (HQ) values. The dataset requirements for assessments using substances/preparations has been harder to resolve. Historically, toxicity testing has been done on preparations, whereas biodegradation and bioaccumulation data on components is scientifically more relevant. The majority of oil field chemicals discharged are preparations comprising of two or more substances. To use component data in combination to represent or indicate a result for a preparation assumes component data is readily available, and that component toxicity effects are additive, which is not necessarily the case6.

CEFAS and the Fisheries Research Services in Aberdeen will evaluate the risk assessments. Fees for data registration would be rolled into those for permit applications and be charged back to Operators applying for permits. For this reason, checks will be made to ensure that products registered under the new scheme are in use in the UK sector as it has been reported that products may be registered in the UK for use elsewhere in the world. 5 Other OSPAR Countries Countries like France, Germany, Ireland and Spain who have limited exploration or production activity at present must still implement the HMCS and this may be problematic.

The duration of the temporary permission will range between 6 months and 3 years depending upon the level of concern about the potential environmental effects of the substance. Those substances which pass through the scheme to the “Ranking” box of the flowchart and those given temporary permission go to the second stage of the assessment. This involves evaluation by CHARM (Chemical Hazard Assessment and Risk Management) model. In considering the impact of the pre-screening scheme on the Chemical Supply Industry, we can look to the evaluation that CEFAS (Centre for Environment, Fisheries and Aquaculture Science) performed about a year ago.

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