| Maine
PFR Board of Boiler Rules |
| Maine
PFR Oil and Solid Fuel Board |
| Maine
PFR Propane and National Gas Board |
| Office
of the State Fire Marshall |
| Rule
Chapters for the Department of Professional and Financial
Regulation |
| Clean
Rooms Magazine |
| Energy
User News Magazine |
| Fire
Chief Magazine |
| Fire
Engineering magazine |
| Environmental
Building News |
| EPRI
Science & Technology - solutions for the global energy
industry |
| Compressed
Air Challenge |
| The
Fire Sprinkler Network |
| NIEH
Teacher Support |
| Sprinkler
Systems |
| Energy
Source.com - Fuel Oil |
| LP
- Gas Magazine |
| Building
Air Quality Action Plan |
| Indoor
Air Quality Publications |
| IAQ
Publications |
| OSHA
- Indoor Air Quality |
| OSHA
- Laboratories |
| OSHA
- Legionnaires' Disease |
| Industrial
Safety and Hygiene News Online |
| Industrial
Ventilation Research Foundation, Inc. |
| American
Gas Cooling Center |
| American
Gas Association Publications |
mechanical
| 