Carbon black and PM2.5 Exposure with respiratory system among workers at the printing industry in Selangor

Malik, Nurfatin Athirah (2013) Carbon black and PM2.5 Exposure with respiratory system among workers at the printing industry in Selangor. [Project Paper] (Submitted)

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Abstract

Introduction: Carbon black is widely used in the industrial sectors such production of car tyres, resins, plastic materials, inks, varnishes, paper and colouring agents. Objective: The aim of this study is to determine the relationship between the exposures level of carbon black and PM2.5 with the respiratory health of workers at the printing industry in Selangor. Methodology: This is cross sectional study among 105 workers in a printing factory in Selangor. There were 60 workers involved in this study as exposed group while 45 of the respondents are unexposed group of workers. The workers were given a self-administered questionnaire consisting of questions on respiratory symptoms, background information and other relevant information. The workers performed spirometer test to assess their lung function. The exposure assessments for PM2.5 were performed using TSI SIDEP AK AM510 Aerosol Monitor. Another exposure assessment for carbon black that use air sampling pump which is Gillian model and using 37-mm, 5-1J.m pore size PVC filter. Results: The level of carbon black was 0.49 mg/m3 which did not exceed the standard of Occupational exposure standards and guidelines or Total Weighted Average (TW A) 8-hours for carbon black which is 3.5 mg/m3. For the level ofPM2.5, it's divided into 2 work areas which are work area from exposed group and unexposed group. The average measurements for exposed and unexposed area are 49.01ug/m3 and 12.76 ug/m3 respectively. There were no significance differences of the lung function measures among respondents. There were significance association between normality of FEV1/FVC % predicted and respiratory symptoms among respondents for asthma (l=12.242, p = <0.001), difficulty breathing at day (p = 0.03) and difficulty breathing when stop exercise (p = 0.005). The level of PM2.5 area of the unexposed work area is 12.76 g/m3. Conclusion: As a conclusion, the results of this study showed that the lung function and respiratory symptoms of the exposed group who were lower compared to the control group. Keywords: Carbon black, Respiratory system, Spirometer test

Item Type:	Project Paper
Faculty:	Faculty of Medicine and Health Science
Depositing User:	Ms. Adni Syuhaida Zon
Date Deposited:	23 Nov 2022 00:41
Last Modified:	21 Mar 2023 03:13
URI:	http://psaspb.upm.edu.my/id/eprint/329

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