The International Mussel Watch 



Do you use a specific quality control program for 



these analyses? Yes No 



Have you participated in inter-laboratory 

 intercomparison exercises? 

 Do you need Standard Reference Materials? 

 Will you participate in the analysis of Project 



samples? 



Please include copies of organochlorine analytical methods currently being 

 used in your lab, including quality control practices and intercomparison reports with 

 this questionnaire. 



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