Ikizamini cya Dolomiteni ikizamini cyo guhitamo muri Euro en 149: 2001 + A1: 2009.
Mask ihura numukungugu wa dolomite hamwe nubunini bwa 0.7 ~ 12μm numukungugu ugera kuri 400 ± 100mg / m3. Noneho umukungugu ushungura unyuze muri mask ku gipimo cyo guhumeka kwa litiro 2 ku gihe. Ikizamini kirakomeje kugeza igihe cyo kwegeranya umukungugu kuri buri gihe kigera kuri 833mg · h / m3 cyangwa ibyuma byo kwiyongera bigera ku gaciro kagenwe.
Thekuzunguruka no kurwanya ubuhumekero cya masknoneho barageragezwa.
Masike yose yatsinze ikizamini cyo guhagarika Dolomite irashobora kwerekana ko guhumeka kwa masike muburyo bwo gukoresha buhoro buhoro, bityo bitanga abakoresha ibyiyumvo byoroheje no gukoresha ibicuruzwa birebire kandi bikoresha igihe kirekire.
Igihe cya nyuma: Werurwe-29-2023