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Atmospheric vacuum breaker
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21	Cross Connection Control Program Brochure Add to Reading List Source URL: www.lincoln.ne.gov Language: English - Date: 2014-01-23 16:07:28 Water Irrigation Hydraulics Active fire protection Fire suppression Air gap Atmospheric vacuum breaker Water supply network Backflow Plumbing Fluid mechanics Construction
22	LAWN (TURF) IRRIGATION SYSTEMS For the protection of the water purveyor’s distribution system, all irrigation systems must have an approved backflow prevention assembly that is commensurate with the degree of hazard. I Add to Reading List Source URL: www.src4.org Language: English - Date: 2002-11-20 14:41:55 Construction Double check valve Pressure vacuum breaker Atmospheric vacuum breaker Air gap Vacuum breaker Check valve Backflow prevention device Chemigation valve Irrigation Water Fluid mechanics
23	LAWN IRRIGATION SAFETY New req uiremen ts to mak e sure yo ur drinkin g wate r is safe Add to Reading List Source URL: www.msdh.state.ms.us Language: English - Date: 2001-12-10 12:08:01 Construction Fluid mechanics Backflow prevention device Atmospheric vacuum breaker Vacuum breaker Siphon Pressure vacuum breaker Backflow Fire sprinkler Irrigation Plumbing Water
24	Cross Connections can create What is a Cross Connection? A cross connection is a point in a plumbing system where the potable water supply is connected to a non-potable source. Briefly, a cross Add to Reading List Source URL: www.src4.org Language: English - Date: 2004-02-10 14:16:04 Fluid mechanics Water Backflow prevention device Air gap Atmospheric vacuum breaker Pressure vacuum breaker Vacuum breaker Double check valve Siphon Plumbing Irrigation Construction
25	LEGEND Black text = 2011 Oregon Plumbing Specialty Code (OPSC) language. Blue text double underline = Substantive new language. Blue text strike through = Substantive deletion. Purple text underlined = Substantive new la Add to Reading List Source URL: www.cbs.state.or.us Language: English - Date: 2014-09-25 11:30:09 Water Fluid mechanics Backflow prevention device Pressure vacuum breaker Air gap Atmospheric vacuum breaker Vacuum breaker Double check valve Siphon Plumbing Construction Irrigation
26	Examples of Backflow Prevention during Mixing of Agricultural Chemicals 1. What Is Backflow? Backflow occurs when water flows opposite to its normal direction and can lead to contamination of the original water supply Add to Reading List Source URL: onfarmfoodsafety.org Language: English - Date: 2011-04-27 11:09:04 Construction Backflow prevention device Air gap Pressure vacuum breaker Backflow Vacuum breaker Double check valve Tap Atmospheric vacuum breaker Irrigation Plumbing Fluid mechanics
27	Approval of Backflow Preventers History \| Standards \| Approval Program Historical Perspective Add to Reading List Source URL: fccchr.usc.edu Language: English - Date: 2014-08-29 16:17:17 Backflow prevention device Architecture Pressure vacuum breaker Vacuum breaker Atmospheric vacuum breaker Double check valve Backflow University of Southern California Irrigation Plumbing Construction
28	Backflow Prevention Resources Addressing backflow prevention requirements requires technical expertise and familiarity with State and local codes Add to Reading List Source URL: water.tucsonaz.gov Language: English - Date: 2014-07-15 15:25:47 Construction Agriculture Backflow prevention device Pressure vacuum breaker Atmospheric vacuum breaker Reduced pressure zone device Backflow Vacuum breaker Fertigation Irrigation Water Plumbing
29	Guidelines For Landscape Drip Irrigation Systems Prepared by the Add to Reading List Source URL: 67.225.255.100 Language: English - Date: 2012-07-28 19:34:54 Environment Drip irrigation Atmospheric vacuum breaker Backflow prevention device Controller Tap Reduced pressure zone device Water conservation Vacuum breaker Irrigation Water Agriculture
30	February 2, 2004 CROSS -CONNECTION CONTROL PROGRAM PENNICHUCK WATER WORKS, INC. PENNICHUCK EAST UTILITY, INC. PITTSFIELD AQUEDUCT COMPANY Add to Reading List Source URL: www.pennichuck.com Language: English - Date: 2012-06-07 10:15:28 Construction Water Valves Backflow prevention device Vacuum breaker Air gap Pressure vacuum breaker Backflow Atmospheric vacuum breaker Irrigation Plumbing Fluid mechanics

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