Thermal Transfer Corp. in Duquesne, which supplies industrial heat exchangers, is the fifth-most-toxic air polluter in Allegheny County. There are approximately 78,600 people who live within three miles of this facility.

Three schools are within two miles of this facility, including Duquesne Elementary School and Homeville Elementary School. The facility emits two metals, chromium and nickel, that affect the respiratory system and which can be particularly damaging for children. These substances are also cancer-causing, and chromium VI can have developmental, and reproductive effects as well.

Health Effects	Chemicals
Cancer	Chromium, Nickel
Respiratory System	Chromium, Nickel
Developmental	Chromium
Reproductive	Chromium