Dalilin da yasa Kuna da Buƙatar Ku Daina Nuna Pool

Wadatacce

• Bita don

Idan kun taɓa yin kwalliya a cikin tafki, kun san cewa gaba ɗaya "ruwan zai canza launuka kuma za mu san kun yi shi" abu cikakken tatsuniya ce ta birni. Amma rashin adalci a gefen tafkin ba yana nufin kada ku ji laifin abin da kuka yi ba. Sabbin labarai-binciken wuraren waha 31 na jama'a da baho mai zafi a Kanada-ya nuna cewa yin iyo a tsakiyar yin iyo babbar matsala ce.

Tawagar masu bincike daga Jami'ar Alberta, Edmonton, sun gano cewa kashi 100 na wuraren tafkunan da tubs da suka gwada sun gwada ingancin acesulfame potassium (ACE), wani kayan zaki na wucin gadi da aka saba samu a cikin abincin da aka sarrafa da ke wucewa ta jiki ba tare da canzawa ba. (Fassara: pee.) Wani tafki mai girman Olympic (jimlar lita 830,000) yana da lita 75 na fitsari a ciki, a cewar binciken. Don taimaka muku da hangen nesa: wannan shine kamar zubar da kwalaben Nalgene guda 75 a cikin tafkin gasa. UM, babban.

Mun riga mun san adadin mutane nawa ke guilting na shiga lamba ɗaya a cikin ruwa; Kimanin kashi 19 cikin 100 na mutanen da aka yarda sun yi peed a cikin tafkin a cikin wani binciken 2012 na International Journal of Aquatic Research and Education. Amma sanin nawa ne yawo a kusa da mu abin tunatarwa ne mai ban sha'awa cewa zuwa tsoma ko shiga wasu lafuzza a cikin tafkin ba lafiya kawai bane, aikin nishaɗi kamar yadda muke tunani. (Ga abin da dan wasan ninkaya na Olympics Natalie Coughlin ke tunani game da tsinkaye a cikin tafkin.)

Amma wannan shine abin da chlorine yake, dama? Ba da sauri ba, Phelps. An ɗora tafkunan ruwa da magungunan kashe kwayoyin cuta don kare ruwa mai lalacewa daga ƙwayoyin cuta masu ban tsoro (kamar salmonella, giardia, da E. coli), kuma waɗannan magungunan suna fuskantar halayen sinadarai tare da kwayoyin halitta (karanta: datti, gumi, ruwan shafa fuska, da-yep-pee). ) da mutane ke gabatarwa a cikin tafkin, a cewar wannan bidiyon ta American Chemical Society. Waɗannan halayen suna haifar da wani abu da ake kira disinfection byproducts (DBPs). Fitsari musamman ya ƙunshi urea mai yawa, wanda ke haɗawa da chlorine don ƙirƙirar DBP mai suna trichloramine, wanda ke haifar da wari mai ban sha'awa, da ja, idanu masu haushi, kuma an haɗa shi (kamar sauran DBPs) zuwa matsalolin numfashi kamar asma. Kuma ko da yake wasu kwayoyin halitta suna ba da gudummawa ga DBPs a cikin wuraren waha, fitsari yana da alhakin rabi DBPs da masu ninkaya suka samar. Wasu wuraren tafkunan an gano sun fi mutagenic sau 2.4 (cike da abubuwan canza kwayoyin halitta) kuma wuraren zafi sun fi mutagenic sau 4.1 fiye da ruwan famfo na asali, a cewar wani bincike a cikin mujallar. Kimiyyar Muhalli & Fasaha. (Ƙari akan haka: Yaya Babban Wurin Gim ɗinku Yake.) Babban kaso na waɗanda suka fito kai tsaye daga urea, a cewar masu binciken. (Kuma wannan ma ba ya ƙidaya sauran ƙwayoyin cuta masu ban tsoro suna iyo a cikin wuraren waha na jama'a, tafkuna, tabkuna, da wuraren shakatawa na ruwa.)

Ba za mu taɓa gaya muku ku tsallake ninkaya na gaba ba, amma mu so gaya muku ku zubar da mafitsara tukunna. Kuma tabbatar da buga shawa kafin yin iyo-wanda hakan na nufin rage datti da gumi da ke shiga cikin ruwa.

Bita don