16485
The two formulated sediments containing alpha - cellulose or Manitoba peat showed significantly ( p < 0 . 0001 ) smaller KOC and KDOC values than natural sediments based on statistical analyses , while the difference was not significant for the formulated sediment containing New Brunswick peat .
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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:
 None