Dose by Numbers   Water & Wastes Digest September 2008   By Chris Westlake
Dissolved organics analyzer controls coagulant chemical additions at a New Jersey water utility
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Understanding Fluid Sampler Draw Limits   Water & Wastes Digest September 2007   By Dean Carroll
Vertical and horizontal draws make the difference in industrial plant design
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Reliable, Repeatable Results   Water & Wastes Digest September 2006   By Mohamed Abouleish & Robert Clifford
Sampling techniques in the water and wastewater industry

Selecting The Best Fluid Sampler For Your Needs   Water & Wastes Digest September 2005   By Patsie Wyatt
This article focuses on the two main types, peristaltic and vacuum/compressor, though other types do exist such as a dipper and gravity flow.

Let the Debating Begin   Water & Wastes Digest September 2004   By Larry Kolbert
Less maintenance translates into less money being spent from a water or wastewater maintenance budget for both spare parts and labor.

A Novel Approach Tested in Oregon   Water & Wastes Digest May 2004   By Rob Baur and Jacques Bourbonnais, Ph.D., P.Eng.
If operators can optimize the use of existing facilities and delay expansion, there could be significant capital savings.

A Reliable Tool   Water & Wastes Digest April 2004   By Rick Davis
By implementing fluorescent technology in the measurement of DO levels, wastewater professionals may have a reliable tool that allows for the optimization of the biological processes and a reduction in the aeration costs related to energy usage.

Fluid Samplers: Vacuum vs. Peristaltic   Water & Wastes Digest September 2003   Tim Gregorski
A fluid sampler is essentially a smart pump that takes a liquid sample from a source and deposits it into one or several containers for inspection. Fluid can either be pulled up the intake hose, or pushed from the source. Two types of samplers are typically used, vacuum/compressor and peristaltic. When choosing a sampler, correct analysis of your application is vital.

Odor Control System   Water & Wastes Digest January 2003   Brent Howe
Odor complaints have become an all too familiar subject to WWTP managers. They are not only expected to manage their plants effectively and efficiently, meeting both regulatory specs and budget requirements – they are also expected to be good neighbors and keep odor under control. This article describes the successful odor control efforts of the South Dearborn Regional Sewer District located in Lawrenceburg, Ind.

New Analyzer Takes Readings During the Treatment Process   Water & Wastes Digest January 2003
A unique ammonia/phosphate analyzer designed to take readings directly in the wastewater, in other words, precisely where the nutrient concentration needs to be measured, also delivers real-time, online information about nutrient concentration in the process.

Controlling Hospital Grease, Sludge Discharges   Water & Wastes Digest September 2002
One of the major problem areas in St Petersburg, Florida has two hospitals and a nursing home that discharge to a common sewer line. Historically, the city had to clean this section of the sewer line at least four times a year to avoid blockages and sanitary sewer overflows. Working together, the city and one of the hospitals took action to control the discharge of grease from the hospital's facilities and to reduce the costs of maintenance for both the city and the hospital.