AAR Most Carried Chemicals List	Placard Symbol         Passenger Train
The Most Carried Chemicals list is a database maintained by the Association of American Railroads. This database lists the top chemical commodities by volume carried by railroads and provides additional information about response guidance, properties and the chemical and physical makeup of each listed chemical. This database can also be accessed from the Railroad Query Response Screen if one of the Most Carried Chemicals is returned by selecting the "More Information" button on that screen. 1. To view more chemicals from the list, use the scroll bar from the list box to traverse the items. Besides using the scroll bars to search for a specific chemical name, you may type in the name at the edit box. The system automatically searches for the closest match from the list. 2. To view the chemical information, double click on the chemical name. The AAR information screen will appear. Back to Chemical Databases The Association of American Railroads (AAR) Chemical Database U.S. Coast Guard's CHRIS Database NIOSH/CDC International Chemical Safety Cards DOE Based Weapon of Mass Destruction Chemicals The NIOSH Target Organs Database