17435
With this method , the cut - off value for the two test lines were achieved at 25 ng / g , which was lower than the maximum residue levels ( MRLs ) established for CA and MA .
 None
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