2542
In chemical regulation , e . g . the EU Water Framework Directive , REACH , or the Pesticide Directive , standardized ecotoxicological tests are applied to evaluate and rank the hazard of compounds and for deriving environmental quality standards ( EQS ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None