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Title: Health-hazard evaluation report HETA-85-072-1850, Seattle Public Schools, Seattle, Washington

Technical Report ·
OSTI ID:7126565

An investigation was made of possible polychlorinated-biphenyl (PCB) contamination. Ballast burnouts had occurred in three classrooms at a school, resulting in high concentrations of PCBs in the air and on surfaces in these rooms. PCB concentrations ranged from 0.19 to 2.4 micrograms/100 square centimeters (microg/100 cm2) in surface samples. Air samples showed PCB concentrations ranging from 0.8 to 1.2 micrograms/cubic meter (microg/m3). The author concludes that the contamination does not present an immediate health risk to students or faculty. Recommendations are offered for the proper cleanup procedure to follow when a PCB-containing ballast fails.

Research Organization:
National Inst. for Occupational Safety and Health, Cincinnati, OH (USA)
OSTI ID:
7126565
Report Number(s):
PB-88-203724/XAB; HETA-85-072-1850
Country of Publication:
United States
Language:
English