5866
Avoidance assays showed that test species avoided contaminated sediment as early as 6 , 6 , and 24 h following exposure for N . spinipes , P . solida , and M . plumulosa , respectively .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None