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Air pollution in the workplace environment due to industrial operation have been found to cause serious occupational health hazard. Similarly, heat stress is still most neglected occupational hazard in the tropical and subtropical countries like India. The hot climate augments the heat exposure close to sources like furnaces. In this study an attempt is made to assess air pollution and heat exposure levels to workers in the workplace environment in glass manufacturing unit located in the State of Gujarat, India. Samples for workplace air quality were collected for SPM, SO2, NO2 and CO2 at eight locations. Results of workplace air quality showed 8-hourly average concentrations of SPM: 165–9118 μg/m3, SO2: 6–9 μg/m3 and NO2: 5–42 μg/m3, which were below the threshold limit values of workplace environment. The level of CO2 in workplace air of the plant was found to be in the range 827–2886 μg/m3, which was below TLV but much higher than the normal concentration for CO2 in the air (585 mg/m3). Indoor heat exposure was studied near the furnace and at various locations in an industrial complex for glass manufacturing. The heat exposure parameters including the air temperature, the wet bulb temperature, and the globe parameters were measured. The Wet Bulb Globe Temperature (WBGT), an indicator of heat, exceeded ACGIH TLVs limits most of the time at all the locations in workplace areas. The recommended duration of work and rest have also been estimated.  相似文献
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采用离子交换树脂XAD-7吸附-毛细管柱气相色谱法测定工作场所空气中乙二醇,结果表明,该方法在0 mg/L~1 116 mg/L范围内线性良好,方法检出限为0.88 mg/L,当采样体积为7.5 L时,最低检出质量浓度为0.11 mg/m3。乙二醇标准溶液测定结果的RSD为1.3%,空白加标回收率为80.1%~107%,方法的采集效率为98.0%。  相似文献
3.
建立了同时测定工作场所空气中多苯类、多环芳烃类、不饱和脂肪族酯类化合物的检测方法,该方法操作简便,重复性好,在目标化合物质量浓度2~ 100 mg/L范围内线性良好,回收率>90%,RSD< 5%,检出限为0.4~0.6 mg/L.结果表明,方法适用于工作场所空气中多苯类、多环芳烃类、不饱和脂肪族酯类化合物的检测要求.  相似文献
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