3584
Sediments were incubated for 7 , 28 , and 90 days at room temperature to characterize the effect of aging on bioavailability and toxicity .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None