Odour control systems do not give overall success unless the entire facility is properly enclosed and maintained, especially for the densely populated area like Hong Kong.
Increased concentrations of PM2·5 and traffic-related air pollution within metropolitan areas, in ranges commonly encountered worldwide, are associated with progression in coronary calcification, consistent with acceleration of atherosclerosis. This study supports the case for global efforts of pollution reduction in prevention of cardiovascular diseases.
The combined direct and indirect CO2 metabolic sources, estimated at 3.1 GtC/year, have increased 7 fold since pre-industrial times and are predicted to continue to rise over the 21st century.
Parents’ number one concern is keeping their allergic or asthmatic kids safe and healthy with clean breathing air. But many don’t take into consideration that their home, or “safe haven,” may actually be making their little ones sick.
Dr. Yip supporting WOOFAA’s business and market proposition of making “Cleaner Air for Better Health“. You just found us online, and then visited our office many times buying all our available types IAQ monitor, even included the most peculiar radon detector.
The known deodorizing composition containing an iron (II) compound and a chelating agent is reactive with bad odor substances such as ammonia, amines, hydrogen sulfide, mercaptans.
The staffs working in the Namtaeryeong and the Gyeongbokgung station received relatively high radon exposure compared to the others. The reason is assumed that the stations are located on the granite, and particularly the Namtaeryeong station is deeper than the other stations.
To address worsen outdoor air quality, frequency of filter cleaning in 5-star hotels has been increased in the past from bi-weekly/monthly to almost daily/weekly. Think about the cost implication and solid waste generation on the amount of filters needed to be treated or replaced more frequently.