PITTSBURGH — Two areas in Allegheny County are among nearly 600 nationwide where people are breathing concentrations of toxic air pollutants that put them at a much greater risk of contracting cancer.

New figures from the Environmental Protection Agency show that census tract 492700, which is in Clairton, has a cancer risk of 762 in one million. And tract 499300, in Glassport, has a risk of 700 in one million.

The average cancer risk across the country is 36 in one million. The figures are from the National-Scale Air Toxics Assessment, which the EPA will release today.

PITTSBURGH — The University of Pittsburgh is rushing to replace about 3,000 diplomas that were destroyed when heavy rains caused flooding in a building where the documents were stored last week.The diplomas for April graduates were stored in a ground floor office when the rains hit Wednesday night. Students do not receive official diplomas at graduation, instead they are mailed out a few weeks later.A Pitt spokesman says the diplomas will arrive about 10 days later. Officials are double-checking the spellings of student names so new diplomas can be rush ordered and in the mail by July 2.