Document wKK5kjNBrekXqBY6jz60w76Z4

i Thursday, January 17,1989, page 41 DURHAM -- Cleanup of a PCB spill near Duke< University was suspended Wednesday when tests , showed high levels of the suspected^ancer caus ing chemical in a drainage pipe. ' i 'j ' . . !i Durham County officials said the high levels of; the chemical may mean that the county will have to dig up the drainage pipe rather than clean it out. ` ' :-v ' - M " ! v' ` ' ' ' ,:! Workmen are trying to flush out the pipe, which. leads to Sandy Creek from the, Duke campus, where the PCB leaked from an electrical, transformer last month. ; . : Tests taken Friday showed that water from the, pipe had 18 parts per billion of PCB, while one : part per billion is the maximum allowable level i under, environmental guidelines. < : ' jS-\ The work was suspended while county officials % await word from the state on what further ; cleanup steps must be taken. Workers said they. ij suspected that the high levels found in Friday's test were the result of pockets of PCB being j trapped in the drainage pipe. . /,...>