人多游泳 大口換氣小心致癌物!
<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">人多的游泳池除了容易碰撞,還可能愈游愈不健康。最新研究顯示,游泳池一旦人多,大口換氣就可能加倍吸入高濃度的疑似致癌物:三氯甲烷(Chloroform)。</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
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<strong style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">加氯消毒的代價</strong><span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">&nbsp;</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">中國醫藥大學健康風險管理學系主任許惠悰指出,泳池為了殺菌、維持水質而加氯,但氯在水中產生的次氯酸,遇到汗液、尿液、乳液等有機物質,會產生大約600多種副產物,其中最大宗就是三氯甲烷。&nbsp;</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
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<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">三氯甲烷被國際癌症研究中心歸類為「人類可疑致癌物」,可導致腎臟、膀胱方面的癌症,當濃度上升,也可能引起輕微中樞神經抑制,如疲倦、頭痛、呼吸困難。&nbsp;</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
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<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">泳池水中的三氯甲烷會隨著池水攪擾進入空氣,濃度隨泳客人數增加而攀升,27人以上就可能達到高濃度。&nbsp;</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
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<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">許惠悰針對50公尺泳池,用紅外線光譜儀連續24小時監測池面上方150公分的空氣,7天後發現,池內平均5.4人時,三氯甲烷是低濃度(<36微克/立方米);平均20.3人屬中濃度(36~136微克/立方米);平均37.7人達到高濃度(>136微克/立方米),偵測到高濃度的最低人數是27人。&nbsp;</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
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<strong style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">游泳要健康,挑人少時段</strong><span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">&nbsp;</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">許惠悰建議,下水前要把身體沖乾淨,減少有機物質。游泳最好要挑人少時段,目前資料顯示,中午的人最少。未來泳池建設時,若能在泳池內側加裝通風設備,針對水面抽風,並且根據人數調整抽風換氣率,就能更有效減少交界區的三氯甲烷濃度,泳客就能放心大口換氣。</span><br style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;" />
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<span style="color: rgb(0, 0, 0); font-family: arial, STHeiti, pmingliu, sans-serif; font-size: 16.0029983520508px; line-height: 29.6055469512939px;">下水前要把身體沖乾淨,減少有機物質。游泳最好要挑人少時段,目前資料顯示,中午的人最少。</span>