Alleged Violators:
Ramada, Inc.; Harrah's Operating Company; Best Western International; Quality Hotels, Inc.; Westin Hotels and Resorts; Hilton Hotels Corporation; Renaissance Hotels; Douglas Parking; Holiday Inns; Kaiser Permanente
Chemical:
Acetaldehyde, Benzene, Benzo[a]pyrene, Benzo[b]fluoranthene, Benzo[j]fluoranthene, Benzo[k]fluoranthene, Carbon monoxide, Chrysene, Dibenz[a,h]anthracene, Diesel engine exhaust, Formaldehyde (gas), Indeno [1,2,3-cd]pyrene, Toluene