US States Around Chesapeake Bay Set Pollution Limits
From The Wall Street Journal

Chlorine Disinfection Control
Several methods exist for controlling the addition of chlorine to a process including flow proportional injection, ORP (oxidation reduction potential), or a residual chlorine analyzer.

Attention Wastewater Treatment personnel
Halar (ECTFE) is the ONLY material resistant to 98+% Sulfuric Acid (H2SO4).

Use of Sight Glasses for Electric Utilities
Provides a direct view of flow to vacuum side of compressor.

Use of Vacuum Breakers in Pressure Vessels
To prevent tank lining separation from fiberglass shell.

Variable Area Flowmeters
Offer economy and value compared to "high-tech" instruments.

Plastic Valves and Strainers
How to successfully use them in metal piping systems.

Treatment Technologies

Water and Liquid Waste Treatment Plant and System Operators

SUR/FIN

Waste Expo

SWANA - Solid Waste Association of North America

Landfill Gas Symposium

Waste Equipment Technology

Environmental Protection Agency

Hazardous Waste Resource Center

Wastecon

Hazardous Waste Clean-up Information

American Academy of Environmental Engineers

Air & Waste Management Association

Hazmat Safety Information

Certified Hazardous Materials Handlers

Waste Industry's Job Source

Waste Career Opportunities

Environmental Engineering Careers

Environmental Atlas
Provides summary environmental information on places within the United States

What is Hazardous Waste?

Global Timeline of Water Treatment

What is Wastewater?

What are Biosolids?

What is Industrial Waste?

What is Watershed Management?