PDAs Making Presence Known at Wastewater Plants   Water & Wastes Digest September 2005   By James Anthony

Becoming a Good Neighbor   Water & Wastes Digest September 2005   By Joe Woodward

Blown Out of the Wastewater   Water & Wastes Digest September 2005   By Jon Zabrocki, P.E. and Paul Larson, P.E.
By precisely controlling pressure in the air header and modulating airflow to each aeration zone to maintain set point DO levels, the energy usage is minimized through efficient operation.

Time Saved Testing Pays Off   Water & Wastes Digest May 2005   By Adam Potter
Many wastewater plants are switching from fecal coliforms to monitoring for E. coli and Enterococcus, because the EPA has identified these bacteria as the best indicators of fecal contamination in water.

Mishawaka Utilities Serves Up High-Quality Water   Water & Wastes Digest September 2004   By Wayne King
Two-phase water system expansion in Indiana depends on technological advancements

Providing a One-Two Punch   Water & Wastes Digest September 2004   Lianna Mah
The Oakville plant treats 109 million liters per day of water from Lake Ontario.

The Simple Life   Water & Wastes Digest September 2004   By Ben Beaudoin
A PDA is able to download data from the datalogging equipment, therefore maintenance personnel can analyze the information and correct problems on site.

In the Wake of the Flood   Water & Wastes Digest August 2004   By Ralph J. Davila
Cuyahoga Falls, a city of 50,000 and one of the most severely impacted areas in northeast Ohio, was declared a federal disaster zone…

NYC-DEP Wastewater Treatment Plants Eliminate Excess Waste   Water & Wastes Digest April 2004   By Jeremy Smith
NYC’s plants treat about 1.4 billion gallons of wastewater from homes, businesses, schools and streets in the five boroughs every day, with water running through hundreds of pump stations and miles of sewers.

An Alarming Situation   Water & Wastes Digest March 2004
The PTMA realized that they needed to put the appropriate tools into place to assess the filter plant and prevent problems or possible violations before they occur, as well as help bring the facility up to date.

Bacterial Control with Ozone   Water Quality Products July 2003   W. Craig Meyer and Partev B. Sarkissian, Pierce College
In the April 2001 issue of Water Quality Products,associates of TCET presented a new method using ozone to treat cooling tower water. Cooling Treatment Systems, Inc. (CTS) of Englewood, Colo., has adapted this method to produce a water treatment system it now is marketing for cooling towers. CTS submitted this new technology to TCET for testing. The results of these tests are presented here.
PDF Version

Intermittent Seal Leak in LPG Pump   Pump Source April 2003   Sourav Kumar Chatterjee
The following case study describes a reliability problem with a Liquified Petroleum Gas (LPG) handling pump in a field and the way it was troubleshooted and fixed.

ETV Testing Verifies Membrane Filtration Plant Treats Surface Water, Meets D/DBP Rule   Water Quality Products December 2002   PCI Membrane Systems, Inc.
A study published as part of the EPA's Environmental Technology Verification (ETV) Program verifies the performance of a Fyne Process membrane filtration plant tested on high organic-laden surface water in Barrow, Ark. The plant was able to remove significant levels of organics--precursors to disinfection byproducts such as trihalomethanes (THM) and haloacetic acids (HAA)--producing water that easily met the disinfection byproduct standards set by the EPA's stringent Stage 1 D/DBP Rule.
PDF Version

RO Maintenance   Water Quality Products January 2002   Nevin Rudie
Understanding and reacting to the performance of a reverse osmosis (RO) system is necessary for continued successful operation. It is this interaction that allows us to quickly and correctly identify and correct issues that may arise.
PDF Version

Natural Bacteria Treat Pollution at Industrial Sites   Water Engineering & Management October 2001
An environmental consulting firm used bacteria found naturally in soil to treat toxic substances located in contaminated industrial sites.
PDF Version

Insertable Electromagnetic Flowmeter Solves Difficult Piping Problem   Water & Wastes Digest April 2001
A difficult piping arrangement that included limited distance between the metering site and pipe fittings posed a dilemma for the engineering staff at a city of Frederick, Maryland, raw water pumping station.
PDF Version

Pumping Up Big John   Water Quality Products April 2001   Metropolitan Industries
The John Hancock building, located on Chicago’s Magnificent Mile, needed to revamp its entire pumping and reservoir system without shutting off water to the building’s residents.
PDF Version

Pipe Installed Under LAX Runways, Terminals with No Service Disruptions   Water & Wastes Digest March 2001   WWD Staff
The challenge was to rehabilitate a 2.5 mile sewer running under one of the busiest airports in the world without interrupting flight operations or vehicular traffic. The site was Los Angeles International Airport (LAX).
PDF Version

The Stormwater Challenge   Water Quality Products February 2001   Greg Gilles, Apyron Technologies, Inc.
Apyron Technologies, Inc., a material synthesis company in Atlanta, and Keystone Environmental, an environmental engineering consulting company in Vancouver, B.C., recently worked together to launch an arsenic remediation project for J.H. Baxter, one of the nation’s leading wood preservation companies.
PDF Version

Municipal Plant Upgrades Wastewater Treatment With New Magnetic Flowmeters   Water & Wastes Digest February 2001
Wisconsin's Madison Metropolitan Sewerage District needed to replace its aging electromagnetic flowmeters at 32 points in its Nine Springs Wastewater Treatment Plant. After carefully weighing its options, the district decided to purchase UniMag magmeters from Isco, Inc.
PDF Version

Innovative Odor Control -- A Good Neighbor Program   Water & Wastes Digest February 2001
The Water and Wastewater Utility Department of the city of Austin, Texas, manages the operation of a regional sludge processing facility where they faced an odor problem. Working with a consultant, they purchased a fixed bed, iron oxide based odor control system from The SulfaTreat Company.
PDF Version

Winery: Equipment Stays Online With AQA Total   Water Quality Products September 2000   Bill Herrera
Recently, two AQA total 65 gpm Model 14000 DI-Polar water conditioners were installed at the Kendall Jackson winery in Soledad, Calif.

Green Technology:Tackling Industrial Effluent   Water Quality Products March 2000   D.J. Gordon
Osmonics, Inc. and Esmil Process Systems Ltd. developed a zero discharge effluent treatment and water recovery system for the niche timber market.

High Quality Water Comforts Guests   Water Quality Products March 2000
With a 90 percent occupancy rate week after week, Comfort Inn uses a lot of water, and the hardness of the water was costing them money.

Gas Detectors Help Ensure Worker Safety   Water & Wastes Digest August 1999
In hazardous, confined space situations, the only way to protect employee safety is to use quality gas detection products that provide reliable early warning.