VOC and NOx photooxidation mutagenicity data
The raw mutagenicity data for experiments initiated with VOC + UV and NOx (Figure 1).  The data are the number of mutant colonies (called revertants or rev) per petri plate of strain TA100 of Salmonella using the Salmonella (Ames) mutagenicity assay.  
Rev hr-1 figures were normalized to to non-precursor VOC …