จำนวน Repository ( 2 )
การประเมินค่าการปนเปื้อนของฝุ่นละอองขนาดไม่เกิน 10 ไมโครเมตร (PM10) ในมหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร ศูนย์พระนครเหนือ
For this work PM10 were collected from 7 stations within the area of North Phra Nakhon campus Rajamangala University of Technology Phra Nakhon Thailand. The samples were collected within 24 hours from January to April 2015. The result shows that the concentrations of PM10 values are in the range of 0.06 - 0.16 mg/m3 and average PM10 of 0.09 mg/m3. The maximum PM10 were found in front of the university. The comparison of maximum PM10 with the standard value of Pollution Control Department (PCD) was slightly over but did not affect human health.
Working behavior and particulate matter exposure of workers in thumley teptaro wood handicraft industry, trang province
Dust is a major problem to effect of health especially in formal sector that is not covered by health benefits. This study was proposed at investigating the total dust and particulate matter (PM10) of workers in Thumley Teptaro Wood Handicraft industry Trang Province. Survey and sampling of dust from all operators were collected three replications using a tracking ID on working period. The results showed that were two groups of Thumley Teptaro Wood Handicraft industry that total dust were 7.7540+1.3110 and 14.4162+0.9265 mg/m3 and PM10 were 8.6134+1.4806 and 4.5279+0.8743 mg/m3 respectively. Total dust and PM10 were significant difference (P<0.05). PM10 in the wood product process of Thumley Teptaro Wood Handicraft industry were 3.3422+0.6685 2.9630+0.3050 and 4.5279+0.8743 mg/m3 in sawing frog style and polishing respectively. This result indicated that total dust and PM10 in all production process of Thumley Teptaro Wood Handicraft were not exceed the standard of Occupational Safety and Heath Administrstion and the notification of Interior Ministry about safety environment in workplace. Working behavior was found that workers were affected by total dust and PM10 in wood production process. All workers used dust protector during operators work.