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Probability
The release of hazardous materials, whether through accidental spills, human error, or other
etiology is not in and of itself uncommon in the planning area. Minor occurrences happen fairly
frequently. Precautions, laws, regulations, and checklist are all utilized to avoid this hazard,
however they continue to happen. During the last three full years, 2010 – 2012, there were 320
hazardous spill incidents in the planning area. This results in a 100% chance of this hazard
occurring in any given year. The planning committee has assigned this hazard a probability of
“Highly Likely.”
Impact and Vulnerability
Table 3.102 lists the number of hazardous materials incidents, injuries, fatalities and people
evacuated from the public and facilities by county in the Region over the 10-year period of 2003-
2012. There were a total of 361 incidents reported to KDEM
Table 3.102. Reported Number of Hazardous Materials incidents, Injuries, Fatalities and
People Evacuated by County, 2003-2012
Incident County Incidents Injuries Fatalities People Evacuated
Mitigation Planning Region L
Johnson 96 4 0 81
Leavenworth 50 49 3 152
Wyandotte 215 6 0 87
Total 361 59 3 320
Source: Kansas Division of Emergency Management, Technological Hazards Section
***THE FOLLOWING HYPOTHETICAL SCENARIO IS FOR INSTRUCTIONAL AND
ILUSTRATIVE PURPOSES ONLY****
The impact of this type of disaster will likely be localized to the immediate area surrounding the
incident. The initial concern will be for people and then the environment. If contamination
occurs, the spiller is responsible for the cleanup actions and will work close with local
responders, KDHE, KCC, KDEM, and EPA to ensure that cleanup is done safely and in
accordance with federal and state laws.
As mentioned, it is difficult to determine the potential losses to existing development because of
the variable nature of a hazardous materials spill. For example, a spill of a toxic airborne
chemical in a populated area could have great potential for loss of life and by contrast, the spill
of a very small amount of a chemical in a rural agricultural area would be much less costly and
possible limited to remediation of soil.
For discussion purposes, the materials needed for a spill at a fixed facility at an easily
remediated area are listed below in Table 3.103. The costs for the cleanup are estimated from
the current State of Kansas Unified HazMat Response Program statewide contract # 35167.
3.183