16929
To assess the PBDE concentration trend , and determine the concentrations of the emerging flame retardants Dechlorane Plus ( DP ) and bis ( 2 - ethylhexyl ) - 3 , 4 , 5 , 6 - tetrabromophthalate ( TBPH ) , the authors measured the concentrations of 8 PBDE congeners , 2 DP isomers , and TBPH in 10 composite samples , which were pooled from the serum collected from 305 Laizhou Bay residents in October 2011 .
 Chemical: PBDE; Chemical: Dechlorane Plus; Chemical: bis ( 2 - ethylhexyl ) - 3 , 4 , 5 , 6 - tetrabromophthalate; Chemical: TBPH; Chemical: PBDE; Chemical: TBPH
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: PBDE; Chemical: Dechlorane Plus; Chemical: bis ( 2 - ethylhexyl ) - 3 , 4 , 5 , 6 - tetrabromophthalate; Chemical: TBPH; Chemical: PBDE; Chemical: TBPH