Humphrey Feed and Seed - Executive Summary

| Accident History | Chemicals | Emergency Response | Registration | Source | Executive Summary |

Accidental Release Prevention and Emergency Response Policies 
 
The Humphrey Feed and Seed facility provides its employees with a safe workplace, as well as operating in an environmentally responsible manner.  It is our policy to adhere to applicable federal, state, and local laws.  If an accidental release of anhydrous ammonia was to occur, it is our policy to notify the LEPC. 
 
Stationary Source and Regulated Substance Handled 
 
The Humphrey Feed and Seed facility stores and handles anhydrous ammonia for direct retail sale to end users.  The maximum inventory of anhydrous ammonia at the facility is 112,156 pounds stored in two bulk storage vessels (12,000 gallons each).   Anhydrous ammonia is delivered by truck and distributed into smaller tanks for use as a fertilizer. 
 
Worst-Case Release and Alternative Release Scenarios 
 
The scenarios were conducted using the RMP*Comp program as provided by the EPA.  The worst-case release scenario involved a catastrophic release of the total content 
s of a 12,000 gallon anhydrous ammonia storage vessel at the facility.  The maximum distance to the toxic endpoint concentration of 0.14 milligrams per liter (mg/L) was 2.8 miles.  The alternative release scenario involved a release from a transfer hose failure.  The maximum distance to the toxic endpoint concentration of 0.14 mg/L was 0.1 mile. 
 
General Accidental Release Prevention Program/Chemical-Specific Prevention Steps 
 
The Humphrey Feed and Seed facility complies with EPA's accident prevention rule and applicable state and local codes and regulations.  The facility was designed and installed and is maintained in accordance with applicable local, state, and federal regulations. 
 
Five Year Accident History 
 
The Humphrey Feed and Seed facility has never had an accident involving anhydrous ammonia that caused deaths, injuries, property or environmental damage, evacuations, or shelterings in place. 
 
Emergency Response Plan 
 
In the event of an emergency involving the anhydrous ammoni 
a system, it is our policy to notify the LEPC and request that they respond to the emergency.  The facility has discussed this policy with the LEPC. 
 
Planned Changes to Improve Safety 
 
Mechanical integrity checks, maintenance checks, compliance audits, and incident investigations will identify changes to improve safety at the facility.  No changes are planned at this time.
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