Features


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.

clean coal

Clean Coal: What Works Now and Tomorrow

Circulating fluidized bed reactor technology has a place in meeting the goals of Obama's energy plan.

At Work and Home Exposures

Mold, lead-based paint and other exclusions in general liability have tipped the balance for commercial and habitational property owners. What's a property owner to do?

Dollars & Sense

The Water Environment Federation anticipated the possible fallout from the national recession at this year's WEFTEC.09, which will be held Oct. 10-14 at the Orange County Convention Center in Orlando, Fla., and took action. The association retained its 2008 registration rates and has offered utilities discount pricing packages.

bernie

From the Top: Q & A with Bernie Rosenthal

Bernie Rosenthal explains Reaction Design's connection to the Department of Energy and how chemical kinetics modeling can help companies improve efficiency and lower emissions.

Compliance Issues Arise with Pandemic Fever

The second wave of the H1N1 is spreading across the nation. Projections say that the H1N1 virus could cause 30-40% absenteeism among the workforce. This may make it necessary for co-workers or management to assume unfamiliar or less familiar tasks.

UNH Stands for Sustainability

The University of New Hampshire plans to cut its greenhouse gas emissions in half by 2020, and it has begun by investing in co-generation and landfill-gas-to-energy projects.

pima

Case Study: Seawall System Used to Retain Earthen Walls

Pima County adapts a seawall system for use in containing a protection wall in Canada del Oro Wash at a more reasonable cost.

Cathodic Protection

Operations managers in the water and wastewater industry are looking for ways to be more efficient. Wireless remote monitoring can provide one option for corrosion control using existing supervisory control and data acquisition (SCADA) networks and automation.

Infrastructure

Bridges for Human and Aquatic Species

MACTEC Engineering and Consulting assembled a design team for the U.S. Forest Service to evaluate the risks and determine mitigating measures to enable safe passage for human traffic and aquatic species in nine National Forests.

Case Study: Reliable Corrosion Control

Having worked extensively overseas and in 22 states, I have seen a fair amount of corrosion, but a wastewater treatment facility in my own backyard has the distinction of being the most corrosive job site that I have ever dealt with.

Case study: FOG Solution Provides Biogas to Power Ken's Foods Plant

Submerged membrane technology tackles biomass retention and solids-liquid separation with the collateral advantage of providing energy.