Testing Information

Testing Status of Agents at NTP

Asphalt Table 5

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Table 5. Dermal Exposure to Asphalt Fumes.

Sources of Exposure
or Operation		Preshift Concentration of PAHs
Skin Wipes* (ng/cm2)
Postshift 		Reference
Installation of roof 0.44 to 2.22 6.11 to 31.33 Wolff et al. 1989
3 paving operations ND† ND† Zey 1992a,b,c

* 10 samples

† Nondetectable



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Web page last updated on August 15, 2005