1. Although we detected significant levels of found at far greater concentrations than
2. DNA binding and Iymphocyte mutations dinitropyrenes in diesel particles (1). DNA
3. at 1 6-dinitropyrene doses below those adducts or mutations produced by these or
4. Iwagawa et al. (11) found to be tumori- other diesel-associated compounds may
5. genic these treatment levels of 0.3 and 1 serve as more useful biomarkers for diesel