19053
However , the REPs for PBDDs , PBDFs , and non - ortho dl - PBBs in mammals closely follow those of the chlorinated analogues , at least within one order of magnitude .
 Chemical: PBDDs; Chemical: PBDFs; Chemical: PBBs
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: PBDDs; Chemical: PBDFs; Chemical: PBBs