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2. Backflow prevention device - Wikipedia

   en.wikipedia.org/wiki/Backflow_prevention_device

   Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap.An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool.

3. Reduced pressure zone device - Wikipedia

   en.wikipedia.org/wiki/Reduced_pressure_zone_device

   A reduced pressure zone device (RPZD, RPZ, or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. RPZDs may also be known as reduced pressure principle (RP), reduced pressure principle backflow prevention devices, [1] [2] reduced pressure zone assemblies (RPZA), [3] or reduced pressure principle ...

4. Northeast Ohio Regional Sewer District - Wikipedia

   en.wikipedia.org/wiki/Northeast_Ohio_Regional...

   In 1972, three years after the Cuyahoga River caught fire and pressures from the EPA, Mayor Ralph Perk formed the NEORSD-or the Northeast Ohio Regional Sewer District. Perk had to rethink regional Cleveland-Cuyahoga County governmental structure and agencies.

5. Air gap (plumbing) - Wikipedia

   en.wikipedia.org/wiki/Air_gap_(plumbing)

   This arrangement prevents any contaminants in the sink from entering into the potable water system by siphonage; this is the simplest form of backflow prevention. A common use of the term "air gap" in domestic plumbing refers to a specialized fixture that provides backflow prevention for an installed dishwasher. This "air gap" is visible above ...

6. States with the Highest and Lowest Property Tax Rates - AOL

   www.aol.com/states-highest-lowest-property-tax...

   9. Kansas. When it comes to expensive states for homeowners, the state of Kansas doesn’t often come to mind. But it has an average property tax rate of 1.26%.

7. American Society for Nondestructive Testing - Wikipedia

   en.wikipedia.org/wiki/American_Society_for...

   The American Society for Nondestructive Testing, Inc. or ASNT is a technical society for nondestructive testing (NDT) professionals. ASNT evolved from The American Industrial Radium and X-ray Society which was founded in 1941. [ 1 ]