Table 1. Some compounds and classes of compounds in vehicle engine exhausta - Diesel and Gasoline Engine Exhausts and Some Nitroarenes

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Gas phase

Acrolein

Ammonia

Benzene

1,3-Butadiene

Formaldehyde

Formic acid

Heterocyclics and derivatives^b

Hydrocarbons (C₁– C₁₈) and derivatives^b

Hydrogen cyanide

Hydrogen sulfide

Methane

Methanol

Nitric acid

Nitrous acid

Oxides of nitrogen

Polycyclic aromatic hydrocarbons and derivatives^b

Sulfur dioxide

Toluene

Particulate phase

Heterocyclics and derivatives^b

Hydrocarbons (C₁₄–C₃₅) and derivatives^b

Inorganic sulfates and nitrates

Metals (e.g., lead and platinum)

Polycyclic aromatic hydrocarbons and derivatives^b

a: From National Research Council (1983); Lies et al. (1986); Schuetzle & Frazier (1986); Carey (1987); Johnson (1988); Zaebst et al. (1988)
b: Derivatives include acids, alcohols, aldehydes, anhydrides, esters, ketones, nitriles, quinones, sulfonates and halogenated and nitrated compounds, and multifunctional derivatives

Diesel and Gasoline Engine Exhausts and Some Nitroarenes.

IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, No. 46.

IARC Working Group on the Evaluation of Carcinogenic Risks to Humans.

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