Asphalt Table A-5.

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Table A-5. Exposure concentrations measured during manufacturing of roofing products

				Exposure concentration (mg/m³)
		Sample			Mean
Occupation	Source of exposure	Number	Type	Range	Arithmetic	Geometric	Reference

Saturator operator	Production of asphalt shingles and rolled roofing materials	3	Total particulates ~7-hr TWA	2.2-7.34	5.5766	4.878	Apol & Okawa [1977]
		2	Cyclohexane solubles ~7-hr TWA	0.18-2.55	1.68	1.437
Coater operator		2	Total particulates ~7-hr TWA	13.77-14.57	14.17	14.164
		2	Cyclohexane solubles ~7-hr TWA	0.87-6.84	3.855	2.440
Coater trainee		2	Total particulates ~6.5-hr TWA	11.11-14.67	12.89	12.766
		2	Cyclohexane solubles ~6.5-hr TWA	0.30-2.33	1.315	0.836
Press operator		2	Total particulates ~7-hr TWA	6.08-31.90	18.99	13.929
		2	Cyclohexane solubles ~7-hr TWA	1.37-1.47	1.42	1.419
Seal down operator		2	Total particulates ~7-hr TWA	0.99-1.43	1.21	1.1898
		2	Cyclohexane solubles ~7-hr TWA	0.43-1.18	0.805	0.712
Foreman		2	Total particulates ~7-hr TWA	5.25-6.33	5.79	5.766
		2	Cyclohexane solubles ~7-hr TWA	0.47-0.53	0.5	0.4991
Hallmark operation worker		7	Total particulates ~7-hr TWA	0.96-2.16	1.596	1.556
		7	Cyclohexane solubles ~7-hr TWA	0.23-0.76	0.35857	0.0851
Hallmark worker	Production of asphalt shingles	8	Total particulates ~7-hr TWA	0.38-5.18	1.425	0.996	Okawa & Apol [1977]
		8	Cyclohexane solubles ~7-hr TWA	0.24-3.26	1.051	0.760
Saturator/Coater		6	Total particulates ~7-hr TWA	5.30-29.00	11.50	8.029
		6	Cyclohexane solubles ~7-hr TWA	0.66-1.25	0.907	0.8799
Saturator operator	Production of asphalt shingles and rolled roofing materials	1	Total particulates ~5.5-hr TWA	---	2.39	2.39	Apol & Okawa [1978]
		1	Cyclohexane solubles ~5.5-hr TWA	---	0.76	0.76
Coater		2	Total particulates ~6.5-hr TWA	11.86-15.61	13.735	13.606
		2	Cyclohexane solubles ~6.5-hr TWA	0.21-1.06	0.635	0.472
Wrapping machine operator		1	Total particulates ~6.5-hr TWA	---	1.40	1.40
		1	Cyclohexane solubles ~6.5-hr TWA	---	0.77	0.77
Lead man		1	Total particulates ~6-hr TWA	---	5.29	5.29
		1	Cyclohexane solubles ~6-hr TWA	---	0.76	0.76
Presser		2	Total particulates ~6-hr TWA	8.27-21.97	15.12	13.480
		2	Cyclohexane solubles ~6-hr TWA	0.30-0.54	0.42	0.402
Coater	Production of asphalt shingles and rolled roofing materials	2	Total particulates ~7-hr TWA	4.2-5.1	4.65	4.628	Okawa & Apol [1978a]
		2	Cyclohexane solubles ~7-hr TWA	3.3-3.9	3.6	3.586
Cooling section operator		2	Total particulates ~7-hr TWA	0.3-1.0	0.65	0.548
		2	Cyclohexane solubles ~7-hr TWA	0.7-1.6	1.15	1.058
Machine tender		2	Total particulates ~7-hr TGWA	0.4-2.8	1.6	1.058
		2	Cyclohexane solubles ~7-hr TWA	0.6-1.8	1.2	1.039
Saturator operator	Production of asphalt shingles and rolled roofing materials	1	Total particulates ~6.5-hr TWA	---	1.0	1.0	Okawa & Apol [1978b]
		1	Cyclohexane solubles	---	2.10	2.10	~6.5-hr TWA
Coaterman		1	Total particulates	---	2.10	2.10	~6.5-hr TWA
		1	Cyclohexane solubles	---	0.22	0.22	~6.5-hr TWA
Slateman		1	Total particulates	---	3.35	3.35	~6.5-hr TWA
		1	Cyclohexane solubles	---	0.21	0.21
Paper production workers (smokers)	Asphalted paper production	4	Total PAHs	0.00479- 0.03579	0.013545	0.009	Pozzoli et al. [1985]
Paper production workers (nonsmokeres)		2	Total PAHs	0.00343- 0.3108	0.017255	0.010
Loader/asphalt handler	Roofing manufacturing (temperature of product at fume source from 300-710F)	6	Total particulates 6-hr TWA	0.068-0.94	0.66	0.51	AI [1991]
		6	Benzene solubles 6-hr TWA	0.041-0.71	0.41	0.31
Slate blend operator		4	Total particulates 6-hr TWA	1.1-1.3	5.6	3.9
		4	Benzene solubles 6-hr TWA	0.013-0.94	0.27	0.077
Coater operator		8	Total particulates 6-hr TWA	0.42-2.5	1.3	1.0
		8	Benzene solubles 6-hr TWA	0.049-1.6	0.37	0.2
Machine operator	Roofing manufacturing (temperature of product at fume sosurce from 300-710F)	8	Total particulates 6-hr TWA	0.8-4.4	1.9	1.6
		8	Benzene solubles 6-hr TWA	<0.071-3.6	1.5	0.55
Press operator/ Cooling operator		7	Total particulates 6-hr TWA	0.55-11	4.8	2.6
		7	Benzene solubles	<0.085-3.7	1.0	0.32
Supervisor		1	Total particulates 6-hr TWA	---	1.4	1.4
		1	Benzene solubles 6-hr TWA	---	0.32	0.32

^* Concentrations are reported as milligrams of asphalt fumes per cubic meter of air (mg/m³) in personal samples.

Web page last updated on August 15, 2005