2023-12-22 00:00:00 Haztrakr provides mobile access to hazmat site information. This information comes from databases of hazmat sites maintained by regulatory authorities. The authorities jurisdictions control access to this information through Haztrakr license keys (without which the app will not function). A single license can cover multiple jurisdictions. You can select the hazmat site to view in two ways. Either by using GPS to find the nearest hazmat sites, and then picking from that list. Or by searching the database for user entered text and choosing from the list of matching sites.