Environmental Protection

Features


SAGR Testing Ports

Submerged Attached Growth Reactors

For simple, low-cost solutions for wastewater treatment, Submerged Attached Growth Reactors downstream of primary lagoons provide a practical means to comply with nutrient rules, even in cold climates.

Brazil site layout

Case Study: Via Light Gas Station Bioremediation

Brazilian-based Grön Environmental uses S-200 to successfully complete a Rio de Janeiro gas station cleanup to the applicable BTEX standards.

Vallejo Plant

Case Study: Retractable Covers Contain Aeration Basin Off-Gas Odors

A retractable, structurally supported geomembrane cover system provides odor control and easy maintenance access to wastewater treatment aeration basins at the Vallejo Sanitation & Flood Control District.

food scraps

Serving Up Energy and Compost from Organic Waste

Waste separation, community buy-in, and high solids anaerobic digestion are key ingredients in turning table scraps and yard debris into a renewable resource recipe.

EP Salary Survey

A Time of Job Cuts and Moves

The good news from Environmental Protection's annual Salary Survey is that reported gross salaries appear to have increased over those reported in the 2008 survey. The bad news is that getting or keeping an industry job proved more difficult for many who responded.

A Bulb Crushing Victory

Going fluorescent is a no-brainer, much like using lamp crushers to recycle and safely dispose of the small amount of mercury in each bulb.

AND1000 Fluorimeter

The DNA Difference in Drinking Water

ANDalyze Inc. is using DNA sensors that react with heavy metal ions to help water professionals detect contaminants and safeguard drinking water.

Chevrolet Silverado B20

Automaker, RFS2 and Bus Fleet Commit to Biodiesel

Attendees at the 2010 National Biodiesel Conference got an earful of good news for the industry.



flow meter in manhole

Closed Pipe System Replaces Open Ditch Irrigation

Montezuma Valley Irrigation Co. saved substantial amounts of water lost through evaporation and seepage by installing a closed poly pipe distribution system with more precise flow meters, solar power, and automation.

environmental software

Green Screen

Emissions tracking software keeps companies one step ahead of impending greenhouse gas regulation.

EPA Financial Assurance

Latest Financial Assurance Proposal May be Costly

EPA has added chemical, petroleum and coal, and electric power facilities to its list of industries that are responsible for assuring their financial ability to take care of cleanups.

Nose Testing

The Nose Knows

Professionally trained odor panelists can mitigate nuisance odors better because they are not hampered by detection limits.

USGS employee performs maintenance on monitoring unit

A Call for Uniform Groundwater Classification

Inconsistent federal, state and local laws are undercutting groundwater protection efforts in the United States.

Technician testing a central air conditioning unit

How Will EPA's HCFC Phaseout Affect the AC-Refrigeration Industry?

EPA rule co-author answers some questions AC and refrigeration companies may have before the impending effective date ─ Jan. 1.

clogged drain cleanup

The Benefits of Supplemental Environmental Projects

Two case studies illustrate how companies found in violation of environmental law can offset some of the costs associated with financial penalties.

Recycling Facility

The Proper Package for Fluorescent Lamps

Energy-saving fluorescent lamps pose mercury vapor risks when broken and require special packaging for their transport to recycling facilities.

Sustainable Water Treatment Is a Three Part Effort

Sulphide-precipitation and ion-exchange technologies can help companies meet the environmental, economic and social drivers of sustainability.

Brendan Soustal

Case Study: MidCoast Water Manages GIS

With the help of Autodesk Topobase software, an Australian water organization integrates its geographic information system and improves workflow.

HOBAS pipe in Rome

Case Study: Rome Microtunnels Bypass in Ancient System

Rome, Italy, puts a 1,000-foot sewer bypass in a busy quarter using trenchless technology and centrifugally cast, fiberglass-reinforced, polymer mortar pipe.

Grass-lined channel

Structural vs. Natural Runoff Solutions

The absence of a nationwide stormwater management standard, coupled with the different rainfall patterns, pollutants of concern, environmental resources and economic drivers from state to state, has resulted in a wide disparity among stormwater management programs.

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