LEADER 01442nam--2200445---450- 001 990002896000203316 005 20070404123839.0 010 $a88-7770-734-8 035 $a000289600 035 $aUSA01000289600 035 $a(ALEPH)000289600USA01 035 $a000289600 100 $a20070404d2006----km-y0itay50------ba 101 $aita$aeng 102 $aIT 105 $aa---||||001yy 200 1 $aDa Pitagora a Colombo. Il sogno dell'America$dFrom Pythagoras to Columbus. The dream of America$fGiuseppe Nisticò, Nicola Gerardo Marchese 210 $aMilano$cSpirali$d2006 215 $a266 p.$cill.$d31 cm. 225 2 $a<> alingua$v236 300 $aSegue testo in inglese 410 0$12001$a<> alingua$v236 454 1$12001 461 1$1001-------$12001 606 0 $aTerra$xForma$xTeorie$zAntichità$zSec. 15. 606 0 $aScoperte geografiche e dottrine pitagoriche 606 0 $aCosmologia$xTeorie 676 $a910.9 700 1$aNISTICO,$bGiuseppe$0367313 701 1$aMARCHESE,$bNicola Gerardo$0206702 801 0$aIT$bsalbc$gISBD 912 $a990002896000203316 951 $aII.6. 1354$b192353 L.M.$cII.6.$d00130008 959 $aBK 969 $aUMA 979 $aRIVELLI$b90$c20070404$lUSA01$h1212 979 $aRIVELLI$b90$c20070404$lUSA01$h1215 979 $aRIVELLI$b90$c20070404$lUSA01$h1238 996 $aDa Pitagora a Colombo. 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Coll.25/ 5(VII P 615)$b172479 L.M.$cVII P$d00092012 951 $aXVII A. 2564$b1928 DLAS$cXVII A.$d391949 959 $aBK 969 $aCAS 969 $aUMA 996 $aGiorgione$9176691 997 $aUNISA LEADER 04115nam 2200601 a 450 001 9910956416003321 005 20251116183447.0 010 $a1-61300-004-9 010 $a1-61583-783-3 035 $a(CKB)3360000000000305 035 $a(EBL)3116693 035 $a(SSID)ssj0000509383 035 $a(PQKBManifestationID)12189160 035 $a(PQKBTitleCode)TC0000509383 035 $a(PQKBWorkID)10572426 035 $a(PQKB)10139524 035 $a(MiAaPQ)EBC3116693 035 $a(Au-PeEL)EBL3116693 035 $a(CaPaEBR)ebr10522348 035 $a(OCoLC)922966596 035 $a(BIP)37654102 035 $a(BIP)9445511 035 $a(EXLCZ)993360000000000305 100 $a20031203d2003 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 00$aRecommended practice for backflow prevention and cross-connection control /$fAmerican Water Works Association 205 $a3rd ed. 210 $aDenver, Colo. $cAmerican Water Works Association$dc2003 215 $a1 online resource (147 p.) 225 1 $aAWWA manual ;$vM14 300 $a"Science and technology." 311 08$a1-58321-288-4 327 $a""Contents""; ""Figures""; ""Tables""; ""Acknowledgments""; ""1 Introduction""; ""2 Program Administration""; ""3 Backflow Principles""; ""4 Backflow-Prevention Assembly Application, Installation, and Maintenance""; ""5 Typical Hazards""; ""Glossary""; ""A Assembly Test Procedures*""; ""B Model Ordinance""; ""C Common Symbols""; ""D Cross Connections""; ""E Agencies and Organizations Abbreviations"" 330 $aCross-connection control is one of the most important barriers in the multiple-barrier approach drinking water suppliers use to protect public health. Contamination of a drinking water distribution system through a cross-connection often results in immediate adverse health effects - illness or even death. This Manual provides a total cross-connection control program for your water system. The manual explains how cross-connections and backflow can occur and tells you how to choose, install, and maintain backflow prevention devices. You ll learn the water purveyor s legal responsibilities, as well as the customer s responsibilities in backflow prevention. The manual covers risk assessment, types of programs to consider, and program administration. Until the cross connection control program is fully developed, the water purveyor is at maximum risk of potential liability. This Manual also explains the hydraulics of backflow, the two types of backflow backsiphonage and backpressure, and the conditions that can cause backflow and a potential cross-connection (such as a water main break). You ll get expert guidance in selecting and installing backflow prevention equipment andl learn the 10 main types of backflow prevention devices or assemblies (yes, they are different), and the relative effectiveness of each type against backsiphonage, backpressure, and low and high hazards. The manual describes each device or assembly, its application in a water system, installation requirements. Detailed assembly test procedures are included for the different types of devices and assemblies. This Manual recommends backflow prevention equipment for installation in the water distribution system, as well as raw water-storage reservoirs, chemical feed pumps and injectors, filters, surface washers, saturators and dry chemical solution tanks, sampling lines, hose bib connections, and membrane systems. 410 0$aAWWA manual ;$vM14. 606 $aBacksiphonage (Plumbing)$xPrevention 606 $aCross-connections (Plumbing)$xStandards 615 0$aBacksiphonage (Plumbing)$xPrevention. 615 0$aCross-connections (Plumbing)$xStandards. 676 $a628.1 s 676 $a696/.1 712 02$aAmerican Water Works Association. 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910956416003321 996 $aRecommended practice for backflow prevention and cross-connection control$94477541 997 $aUNINA