{"id":1382,"date":"2020-05-25T18:31:52","date_gmt":"2020-05-25T13:01:52","guid":{"rendered":"https:\/\/www.kewaunee.in\/blog\/?p=1382"},"modified":"2025-08-08T07:03:31","modified_gmt":"2025-08-08T01:33:31","slug":"laboratories-air-quality-the-four-classes-of-air","status":"publish","type":"post","link":"https:\/\/www.kewaunee.in\/blog\/laboratories-air-quality-the-four-classes-of-air\/","title":{"rendered":"Laboratories air quality : The four classes of air"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1594037823219{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 40px !important;padding-bottom: 40px !important;}&#8221;][vc_column][vc_column_text]<\/p>\r\n<h1 class=\"wp-block-heading\" style=\"text-align: center;\">Laboratories air quality : The four classes of air<\/h1>\r\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner]<div class=\"boc_spacing \" style=\"height: 20px\"><\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"boc_spacing \" style=\"height: 20px\"><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\r\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row full_width=&#8221;stretch_row&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1594037823219{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 40px !important;padding-bottom: 40px !important;}&#8221;][vc_column][vc_column_text] Laboratories air quality : The four classes of air [\/vc_column_text][vc_row_inner][vc_column_inner][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row][vc_column][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text] [\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"author":2,"featured_media":1473,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[108,64],"tags":[79,8],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The Four Air Quality Classes in Laboratories<\/title>\n<meta name=\"description\" content=\"Gain insights into the four classes of air quality crucial for laboratories. 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