PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11300537-4 2001 By dismantling the test pole transformers into the "iron core and coil portion" and cleaning the components, we achieved a residual PCB amount that was below the limit of detection (0.05 mg-PCB/kg-material). Iron 52-56 pyruvate carboxylase Homo sapiens 132-135 11300537-3 2001 The results are summarized as follows: (1) Based on the cleaning test results, we made an estimate of the residual PCB amount on iron and copper components. Iron 129-133 pyruvate carboxylase Homo sapiens 115-118