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132 Asphalt Workers (Paving)
Causative agents include working materials and personal protection materials.
- Skin problems can result from thermal burns, airborne or direct irritant contact dermatitis, and allergic contact dermatitis including photo-contact dermatitis.
- Causative agents include working materials and personal protection materials.
Bitumen is a residue obtained from the vacuum distillation of petroleum crude oil. Bitumen varies from a highly viscous liquid to a brittle solid, and consists of hundreds of chemicals, such as asphaltenes (high-molecular-weight aromatic and heterocyclic hydrocarbons), resins (polymers formed from unsaturated hydrocarbons), and aromatic hydrocarbons containing benzene rings. Distilled bitumen is used for road paving, while the harder air-blown