November 2009 Table of Contents

Features

10Special Feature: Worth Noting
People/Awards; Education; Calendar
14Top Performer - Plant: A Window to Performance
A Web-based system catalogs and preserves operator knowledge at the newly expanded and upgraded Littleton/Englewood Wastewater Treatment Plant
19Plantscapes: Center of Attention
Frisco Sanitation District’s good neighbor policy makes a mountain of difference to Colorado’s back range
22Cover Story: Top Performer - Operator: Tough To Replace
As he nears retirement, Wausau’s Gus Strehlo looks back on a long list of accomplishments in efficiency, safety, automation, and more
26Greening the Plant: The Perfect Blend
The Pima County Regional Wastewater Reclamation Department mixes renewable energy initiatives with savvy energy purchasing arrangements to save millions
28Top Performer - Biosolids: Inside Job
The staff at the 75th Street Wastewater Treatment Plant in Boulder, Colo., stepped up and took ownership of a major biosolids process expansion
32How We Do It: Fail-Safe Dechlorination
Treatment plant staff at Wichita Falls devise a simple mechanism for preventing chlorine releases related to equipment failures or power outages
34In My Words: Telling a Story
Orlando Lee turned his passion for wastewater treatment and public information into a book that shows children what makes the profession so important

6Let's Be Clear: The Prettiest Places
Treatment plant managers and operators take pride in their facilities, and it shows. Tell us about the special touches that make your plant attractive and inviting.
8Letters to the Editor: Letters
10Industry News: Industry News
WEF Presents Excellence Awards; Badger Meter Adds Florida Distributor; Severn Trent De Nora Names Burroughs Manager; MWH Soft, Wallingford Software Merge; SEL Chosen Top Relay Manufacturer; American Water Names Utility Presidents
20Tech Topics: Measuring Liquid Level Interfaces
Thermal dispersion sensing technology provides precise measurement to enable effective treatment, along with durability to withstand harsh environments
36Product Spotlight: Portable Gas Detector Offers Maintenance-Free Service
MX4 iQuad portable gas detector from Industrial Scientific
40Product Focus: Staying Safe
Manufacturers offer a variety of sensors, alarm systems, railing systems, and other devices to treatment plants to maintain safe and healthy workspaces