15427
The authors compiled data for eight physicochemical descriptors ( partition coefficients , degradation half - lives , polarity , and so forth ) for a set of 713 organic chemicals for which experimental values of the bioconcentration factor ( BCF ) are available .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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