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.

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

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?

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

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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2014 Truck of the Month

PM has featured so many great plumbing service trucks! See plenty of them here in our Truck Of The Month Archives page. Are you proud of your truck? Go to our Truck of the Month page to find out how your service truck could be chosen!

9/16/14 9:00 am PDT

Free Webinar: Acoustical Isolation

HOLDRITE will be hosting a free webinar for Acoustical Isolation on Tuesday, Sept. 16, 2014.

Plumbing and Mechanical

PM September 2014 cover

2014 September

In this issue you’ll find The NY Red Bulls soccer team’s radiant system and incoming PHCC President Kevin Tindall.

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Back to School

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The Plumbing and Mechanical Store

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2014 National Plumbing & HVAC Estimator

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

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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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