Reliable Emission Monitoring

Advanced Technology Gas Analyzers

24-Hour Expert Emergency Service


Information is available on a variety of environmental and emission monitoring topics on the web. Below are some sources you may find useful including a comprehensive list of U.S. and State regulatory agencies by region and state.



Environmental Links
and Information

A comprehensive listing of U.S. state and territory regulatory agency, industry and gas analysis links.
Updated: 15 Feb 2007


U.S. Environmental Protection Agency (USEPA) Sites:

USEPA: Contents: Browse all areas

Office of Air and Radiation - Information on programs, Acid Rain and Global Warming.

Office of Enforcement & Compliance Assurance - responsible for ensuring compliance with U.S. environmental laws.

Office of Research and Development - responsible for the research and development needs of the EPA's operating programs.

Office of Transportation and Air Quality - motor vehicles, fuels, non-road equipment and alternative transportation. Formerly, the Office of Mobile Sources.

USEPA Regions (Map of all regions): By Region

Region 1 - responsible within the states of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont.

Region 2 - responsible within the states of New Jersey, New York and the territories of Puerto Rico and the U.S. Virgin Islands.

Region 3 - responsible within the states of Delaware, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia.

Region 4 - responsible within the states of Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee .

Region 5 - responsible within the states of Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin .

Region 6 - responsible within the states of Arkansas, Louisiana, New Mexico, Oklahoma, and Texas.

Region 7 - responsible within the states of Iowa, Kansas, Missouri, and Nebraska.

Region 8 - responsible within the states of Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming.

Region 9 - responsible within the states of Arizona, California, Hawaii, Nevada, and Pacific Island territories.

Region 10 - responsible within the states of Alaska, Idaho, Oregon, and Washington.

State Environmental Regulatory Agencies : By State

Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisianna Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montanna Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennassee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming


Professional Associations and News Sites:

Air and Waste Management Association (A&WMA)

American Institute of Chemical Engineers (AIChE)

American Chemical Society

University of Florida WWW Chemical Resource Library

National Institute of Standards and Technology (NIST)

Industry Associations and Resources:

American Iron and Steel Institute

American Petroleum Institute

Other Government Links:

Energy Information Administration (DOE)

Search the Federal Register, Environmental Documents Subset

U.S State and Local Government Gateway Pages

Community Resources:

Grass Roots Recycling Network

Chemistry Links - Commodity.com

Analytical Techniques

Here are links to some basic information about various common techniques employed in a CEMS to monitor the components of a gaseous effluent stream.

Chemiluminescence :
for NO and NOx monitors
Flame ionization:
for total hydrocarbon monitors and non-methane THC
Non-dispersive infrared (NDIR):
CO,CO2, NOx, SO2 monitors
Non-dispersive ultraviolet (NDUV):
SO2 & NO/NO2 analyzers

Interested sales representatives in all regions of the U.S. should contact us.




Signal USA
355 North York Rd.
Willow Grove, PA 19090
Tel: 215.830.8882
Fax: 215.830.8922
Toll free: 1-866-SIGNAL-U

Hours of operation:
M-F 8AM to 6PM
weekends and 24-hour emergercy service by agreement
email: sales@k2bw.com

© Signal USA Rights Reserved



links to emission monitoring resources