- Outdoor Recreation
- Animals, Plants, Aquatic Life
- Chemical & Pollution Control
- Air
- Ambient Air Quality Monitoring
- Volatile Organic Compounds Monitoring
- 1,1,1-Trichloroethane Annual Averages (1990-2006)
- Volatile Organic Compounds Monitoring
- Ambient Air Quality Monitoring
- Air
- Energy and Climate
- Lands and Waters
- Education
- Permits and Licenses
- Public Involvement and News
- Regulations and Enforcement
- Publications, Forms, Maps
- About DEC
Home » Chemical & Pollution Control » Air » Ambient Air Quality Monitoring » Volatile Organic Compounds Monitoring » 1,1,1-Trichloroethane Annual Averages (1990-2006)