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Joseph F. Harrison P.E., CWS-

Joseph F. Harrison, P.E., CWS-VI, is technical director of the Water Quality Association, Lisle, Ill. He may be reached at 630/505-0160. Prior to joining the WQA in 1990, Harrison was chief, safe drinking water branch for Region V of the EPA for 17 years.


2006 Clean Water Report<p>Water Treatment And Purification Methods

June 1, 2006
Many people find their water too hard, too cloudy, too odorous, too funny tasting, or they have health concerns for themselves and their children.
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What Is Reverse Osmosis?

March 7, 2006
Anyone who has sat through a high school science class may remember the term “osmosis.” This process was first described by a French scientist in 1748, who noted that water spontaneously diffused through a pig bladder into alcohol.

More than 200 years later, a modification of this process known as “reverse osmosis” allows people throughout the world to affordably convert undesirable water into water that is virtually free of health or aesthetic contaminants. Reverse osmosis systems can be found providing treated water from the kitchen counter in a private residence, to installations used in manned spacecraft.

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Softening Up Hard Water

January 12, 2006
According to the U.S. Geological Survey, 85 percent of the United States has to cope with hard water - water with excessive levels of calcium and magnesium. While hard water is not considered to be unhealthy for people to drink, it can be very unhealthy for household plumbing, cleaning processes and water-using appliances.
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BNP Media's Plumbing Group Visits Grundfos North American Headquarters

BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.


Plumbing and Mechanical

March 2014

2014 March

In the March issue of Plumbing & Mechanical, read about the 'living in place' movement and learn how to make your space stylish and comfortable. PM catches up with MCAA president Chuck Fell and spoke with him about his goals for the year. Also in this issue, see the top products of 2013, see who is the March Truck of the Month, and read the latest Tool Tips.
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The Plumbing and Mechanical Store

2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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Clear Seas Research

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Truck of the Month

Truck of the month

Are you proud of how your service truck looks? Do the graphics give people whiplash as they drive by? Have your calls increased because people remember your truck — and your company name? If so, we’d like to see it, too! Click here to find out how your service truck could be chosen as PM's Truck of the Month.



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