International Scholarly Research Notices

Research Article

Occupational Exposure to Respirable Suspended Particulate Matter and Lung Functions Deterioration of Steel Workers: An Exploratory Study in India

Table 2

RSPM level in various sections.


Name of section/process	Initial weight of filter ()	Final weight of filter ()	Volume of air sampled (liters)	= volume of air (m³)	Net Wt of dust (mg)	(mg/m³)	Pump running time (hrs)	RSPM in 8 hrs (mg/m³)

Punching/blanking/trimming section
Location 1	60.5	61.8	500	0.500	1.3	2.6	0.93	22.46
Location 2	59.2	60.6	495	0.495	1.4	2.83	0.92	24.68
Location 3	56.8	57.9	541	0.541	1.1	2.03	1.001	16.24
Location 4	58.9	60.2	516	0.516	1.3	2.52	0.96	21.09
Location 5	56.8	57.8	541	0.541	1	1.85	1.001	14.76

Forging section
Location 1	60.3	61.4	453	0.453	1.1	2.43	0.84	23.16
Location 2	57.8	58.9	516	0.516	1.1	2.132	0.96	17.85
Location 3	59.2	60.5	528	0.528	1.3	2.46	0.98	20.14
Location 4	59.2	60.4	510	0.51	1.2	2.35	0.94	19.93
Location 5	57.8	58.9	516	0.516	1.1	2.13	0.96	17.84
Location 6	60.1	61.4	541	0.541	1.3	2.40	1.001	19.18

Grinding section
Location 1	60.9	63.2	450	0.450	2.3	5.11	0.83	49.06
Location 2	59.6	61.8	450	0.450	2.2	4.89	0.83	46.93
Location 3	58.7	60.4	405	0.405	1.7	4.197	0.75	44.77
Location 4	58.2	60.6	516	0.516	2.4	4.65	0.96	38.93
Location 5	57.8	59.7	450	0.450	1.9	4.22	0.83	40.53

Polishing section
Location 1	57.1	59.7	554	0.554	2.6	4.69	1.026	36.59
Location 2	58.9	62.3	550	0.550	3.4	6.18	1.018	48.55
Location 3	59.5	61.9	550	0.550	2.4	4.36	1.018	34.27
Location 4	58.9	61.4	540	0.540	2.5	4.63	1	37.04
Location 5	58.5	61.3	560	0.560	2.8	5.00	1.037	38.57

Moulding/casting section
Location 1	58.6	61.9	550	0.55	3.3	6.00	1.018	47.12
Location 2	57.7	60.2	532	0.532	2.5	4.7	0.985	38.15
Location 3	59.2	61.4	534	0.534	2.2	4.12	0.99	33.33
Location 4	58.9	61.3	580	0.580	2.4	4.14	1.074	30.82
Location 5	59.2	62.2	590	0.590	3	5.08	1.092	37.23

Broaching/marching section
Location 1	60.1	61.4	580	0.580	1.3	2.24	1.074	16.69
Location 2	58.7	60.1	590	0.590	1.4	2.37	1.092	17.37
Location 3	59.6	61.2	650	0.65	1.6	2.46	1.204	16.35
Location 4	58.6	59.4	545	0.545	0.8	1.46	1.009	11.63
Location 5	58.6	59.5	541	0.541	0.9	1.66	1.001	13.28

Tool room section
Location 1	57.3	58.2	511	0.511	0.9	1.76	0.946	14.88
Location 2	57.3	58.3	584	0.584	1	1.71	1.081	12.67
Location 3	58.6	59.5	570	0.570	0.9	1.57	1.056	11.96
Location 4	57.6	58.5	565	0.565	0.9	1.59	1.046	12.17
Location 5	56.6	57.5	554	0.554	0.9	1.62	1.025	12.67

Electroplating/painting section
Location 1	58.4	59.5	630	0.630	1.1	1.75	1.167	11.97
Location 2	58.6	59.9	620	0.620	1.3	2.096	1.148	14.60
Location 3	57.3	58.2	590	0.590	0.9	1.53	1.093	11.16
Location 4	58.6	59.2	545	0.545	0.6	1.101	1.009	8.726

Gas cutting/welding section
Location 1	58.4	60.2	630	0.630	1.8	2.85	1.167	19.59
Location 2	59.6	61.7	620	0.620	2.1	3.38	1.15	23.60
Location 3	58.5	60.1	590	0.590	1.6	2.72	1.09	19.85
Location 4	56.6	58.7	650	0.650	2.1	3.23	1.20	21.47