15671
Polychlorinated dibenzo - p - dioxins and dibenzofurans ( PCDD / Fs ) , dioxin - like polychlorinated biphenyls ( DL - PCBs ) , polybrominated diphenyl ethers ( PBDEs ) , and hexachlorobenzene ( HCB ) concentrations were determined in abdominal fat samples from 30 cattle .
 Chemical: Polychlorinated dibenzo - p - dioxins and dibenzofurans; Chemical: PCDD / Fs; Chemical: dioxin - like polychlorinated biphenyls; Chemical: DL - PCBs; Chemical: polybrominated diphenyl ethers; Chemical: PBDEs; Chemical: hexachlorobenzene; Chemical: HCB
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: Polychlorinated dibenzo - p - dioxins and dibenzofurans; Chemical: PCDD / Fs; Chemical: dioxin - like polychlorinated biphenyls; Chemical: DL - PCBs; Chemical: polybrominated diphenyl ethers; Chemical: PBDEs; Chemical: hexachlorobenzene; Chemical: HCB