To put it in a different way, there is a thin line between the accident and the catastrophe. To emphasize, dealing with dangerous cargo is the edge of easily going from good to bad.
Thereupon, it is a must to know what you are dealing with. With regards to this, it is crucial to gather as much information as you possibly can. A great place to start with is the United States Department of Labor (DOL).
Another place to check further is the library. As you may already know, the library can provide info on a wider knowledge level. However, it is important to always look into the date where you search information for.
On the subject of this, the same goes for the search engines. For instance, if you look into a resource that has an older date, that source may not be reliable as it was at the year of release.
