HAZARDOUS MATERIALS INCIDENTS
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Hazardous Materials Incidents (monthly data, not seasonally adjusted)
All 2002 data are preliminary
Hazardous Materials Serious Incidents (monthly data, not seasonally adjusted)
All 2002 data are preliminary
Flammable liquids (e.g., gasoline) comprise the most tonnage and ton-miles
of hazardous material shipments. Gasoline usage peaks in the summer and accounts
for the seasonality in hazardous materials incidents.
| Total |
1,422 |
1,107 |
| Hamat incidents percent change from same month previous year |
0.42 |
-22.15 |
| Total |
44 |
21 |
| Hazmat serious incidents percent change from same month previous year |
18.92 |
-52.27 |
* Preliminary estimate.
NOTES: The current value is compared to the value from the same period in the
previous year to account for seasonality.
Incident reporting requirements were extended to intrastate motor carriers
on Oct. 1, 1998. Beginning in April 1993, there was sharp improvement in reporting
of incidents by small package carriers.
A reported incident is a report of any unintentional release of hazardous material
while in transportation (including loading, unloading, and temporary storage).
It excludes pipeline and bulk shipments by water, which are reported separately.
Research and Special Programs Administration (RSPA) defines serious incidents
as incidents that involve a fatality or major injury due to a hazardous material,
closure of a major transportation artery or facility or evacuation of six or more
persons due to the presence of a hazardous material, or a vehicle accident or
derailment resulting in the release of a hazardous material.
SOURCE: U. S. Department of Transportation, Research and Special Programs Administration
(RSPA), Office of Hazardous Materials, Planning and Analysis, Hazardous Materials
Information System data obtained through personal communication.
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