United States, ho fihlela bofelong ba November 2001, federal standard 209E (FED-STD-209E) e ile ea sebelisoa ho hlalosa litlhoko tsa likamore tse hloekileng. Ka la 29 Pulungoana 2001, litekanyetso tsena li ile tsa nkeloa sebaka ke khatiso ea ISO Specification 14644-1. Ka tloaelo, kamore e hloekileng e sebelisetsoang tlhahiso kapa lipatlisiso tsa saense ke tikoloho e laoloang e nang le litšila tse fokolang, tse kang lerōle, likokoana-hloko tse tsamaisoang ke moea, likaroloana tsa aerosol le mouoane oa lik'hemik'hale. E le ho nepahala, kamore ea ho hloekisa e na le boemo bo laoloang ba tšilafalo, bo hlalositsoeng ke palo ea likaroloana ka li-cubic meter ka boholo bo boletsoeng. Sebakeng se tloaelehileng sa litoropo, moea o kantle o na le likaroloana tse limilione tse 35 ka cubic meter ka 'ngoe, bophara ba li-micron tse 0.5 kapa tse kholoanyane, tse tsamaellanang le kamore e hloekileng ea ISO 9 e maemong a tlase a phaposi e hloekileng. Likamore tse hloekileng li arotsoe ho latela bohloeki ba moea. Ho US Federal Standard 209 (A ho isa ho D), palo ea likaroloana tse lekanang kapa tse kholo ho feta 0.5mm e lekantsoe ka cubic foot ea moea, 'me palo ena e sebelisetsoa ho arola likamore tse hloekileng. Metric nomenclature ena e boetse e amoheloa ke mofuta oa morao-rao oa 209E oa maemo. China e sebelisa maemo a federal 209E. Tekanyetso e ncha ke TC 209 ea Mokhatlo oa Machaba oa Melao-motheo. Litekanyetso ka bobeli li arola likamore tse hloekileng ho latela palo ea likaroloana tsa moea oa laboratori. Litekanyetso tsa phaposi e hloekileng ea FS 209E le ISO 14644-1 li hloka litekanyo tse khethehileng tsa palo ea likaroloana le lipalo ho khetholla boemo ba bohloeki ba kamore e hloekileng kapa sebaka se hloekileng. United Kingdom, British Standard 5295 e sebelisoa ho arola likamore tse hloekileng. Tekanyetso ena haufinyane e tla nkeloa sebaka ke BS EN ISO 14644-1. Likamore tse hloekileng li arotsoe ho latela palo le boholo ba likaroloana tse lumelletsoeng ho ea ka molumo oa moea. Linomoro tse kholo joalo ka "Class 100" kapa "Class 1000" li bua ka FED_STD209E, tse emelang palo ea likaroloana tsa 0.5 mm kapa boholo bo boholo bo lumelletsoeng ka cubic foot ea moea.
Nako ea poso: Jan-18-2024