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Abstract
Quantitative risk assessments can be performed on coal tar by determining the values for specific coal tar polyaromatic hydrocarbons (PAHs) in relationship to an established No Significant Risk Level (NSRL). When evaluating the safety of coal tar itself as an ingredient, quantifying the amount of coal tar, and limiting a specific PAH such as benzo(a)pyrene, a safety assessment can be made. This paper documents such as assessment for the use of coal tar in shampoo products.