BIG STONE COOPERATIVE - ORTONVILLE AGRONOMY - Executive Summary

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BIG STONE COOPERATIVE 
PO BOX 362 
CLINTON, MN  56225 
 
FOR FURTHER INFORMATION, CONTACT JARED NORDLY, AGRONOMY MANAGER, 320-325-5221 
 
RISK MANAGEMENT PLAN - EXECUTIVE SUMMARY 
 
1.  THE FACILITY POLICY 
 
THE OWNERS, MANAGEMENT, AND EMPLOYEES OF BIG STONE COOPERATIVE ARE COMMITTED TO THE PREVENTION OF ANY ACCIDENTAL RELEASES OF ANHYDROUS AMMONIA AND PROPANE.  IF AN ACCIDENTAL RELEASE SHOULD OCCUR, THE FACILITY IS PREPARED TO WORK WITH THE LOCAL FIRE COMPANY OR OTHER AUTHORITIES  TO MITIGATE ANY RELEASE AND MINIMIZE THE IMPACT OF THE RELEASE TO PEOPLE AND THE ENVIRONMENT. 
 
2.  FACILITY INFORMATION 
 
THE PRIMARY ACTIVITY AT THE FACILITY IS THE STORAGE AND BLENDING OF FERTILIZERS FOR SALE TO FARMERS, AND PROPANE SALES AND DELIVERY. 
 
ANHYDROUS AMMONIA IS RECEIVED, STORED, AND DISTRIBUTED FOR DIRECT APPLICATION.  ANHYDROUS AMMONIA IS USED FOR CROP PRODUCTION NUTRIENTS.  PROPANE GAS IS RECEIVED, STORED, AND DISTRIBUTED FOR DELIVERY FOR HOME HEATING, FARM AND COMMERCIAL BUSINESS USES. 
 
THE MAXIMUM Q 
UANTITY OF AMMONIA STORED WOULD BE 250,000 POUNDS IN OUR 26,000 GALLON STORAGE TANK AND COMBINED STORAGE CAPACITY OF 30,000 GALLONS FROM OUR 23 PORTABLE NURSE TANKS.  THE MAXIMUM QUANTITY HANDLED WOULD BE THE UNLOADING OF A TANK TRUCK HOLDING 40,000 POUNDS. 
 
THE MAXIMUM QUANTITY OF PROPANE GAS STORED WOULD BE 110,000 POUNDS FROM OUR 30,000 GALLON STORAGE TANK.  THE MAXIMUM QUANTITY WOULD BE THE UNLOADING OF A TANK TRUCK HOLDING 40,000 POUNDS. 
 
3.  THE WORST-CASE RELEASE SCENARIO AND THE ALTERNATIVE RELEASE SCENARIO. 
 
A.  THE WORST-CASE RELEASE SCENARIO FOR ANHYDROUS AMMONIA WOULD BE THE RELEASE OF THE TOTAL CONTENTS OF A STORAGE TANK RELEASED AS A GAS OVER TEN MINUTES.  THE MAXIMUM QUANTITY RELEASED WOULD BE 120,000 POUNDS, WHICH REPRESENTS THE VOLUME OF THE STORAGE TANK AT 85 PERCENT CAPACITY AS LIMITED BY DESIGN STANDARDS.  THE DISTANCE TO THE ENDPOINT (POINT OF DISPERSION TO 200 PPM) IS 1.09 MILES. 
 
THE WORST-CASE RELEASE SCENARIO FOR PROPANE WOULD BE THE FAILURE OF ONE 30,000 GALLO 
N STORAGE TANK WHEN FILLED TO 85 PERCENT CAPACITY (150,000 POUNDS) RESULTING IN A VAPORT CLOUD EXPLOSION CAUSING A 1 PSI OVERPRESSURE.  ACCORDING TO EPA LOOKUP TABLES, THE DISTANCE TO THE ENDPOINT IS .43 MILES. 
 
B.  THE ALTERNATIVE RELEASE SCENARIO FOR ANHYDROUS AMMONIA BASED ON THE HAZARD REVIEW IS 2 MINUTE RELEASE FROM A BREAK IN A 3 INCH PIPE.  THE DISTANCE TO THE ENDPOINT (POINT OF DISPERSION TO 200 PPM) IS .78 MILES. 
 
THE ALTERNATIVE RELEASE SCENARIO FOR PROPANE WOULD BE THE FAILURE OF ONE 30,000 GALLON STORAGE TANK WHEN FILLED TO 85 PERCENT CAPACITY (150,000 POUNDS) RESULTING IN TWO-THIRDS OF A VAPOR CLOUD EXPLOSION CAUSING A 1 PSI OVERPRESSURE.  ACCORDING TO EPA LOOKUP TABLES, THE DIANCE TO THE ENDPOINT IS (FACTOR OF .67 X .43 MILES = .29 MILES) .29 MILES. 
 
4.  ACCIDENTAL RELEASE PREVENTION PROGRAM. 
 
THE FACILITY HAS IMPLEMENTED THE PROVISIONS OF "SAFETY REQUIREMENTS FOR THE STORAGE AND HANDLING OF ANHYDROUS AMMONIA, K-61.1", PUBLISHED BY THE AMERICAN NATIONAL STANDARDS INSTITUT 
E, INC. AND THE STANDARDS OF THE U.S. OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA), 29 CFR 1910.111, "STORAGE AND HANDLING OF ANHYDROUS AMMONIA".  IN ADDITION, MINNESOTA DEPT. OF AG RULES, FOR PROPANE, NFPA-58 RULES. 
 
5.  THE FIVE-YEAR ACCIDENT HISTORY. 
 
A.  THERE HAVE BEEN NO ACCIDENTAL RELEASES OF ANHYDROUS AMMONIA OR PROPANE IN THE PAST FIVE YEARS THAT: 
 HAVE CAUSED ANY DEATHS, INJURIES, OR SIGNIFICANT PROPERTY DAMAGE AT THE FACILITY, NOR TO OUR KNOWLEDGE, HAVE RESULTED IN OFFSIGHT DEATHS, INJURIES, EVACUATIONS, SHELTERING IN PLACE, PROPERTY DAMAGE OR ENVIRONMENTAL DAMAGE. 
 
6.  THE EMERGENCY RESPONSE PROGRAM. 
 
 THE FACILITY HAS: 
 
 A.  A WRITTEN EMERGENCY ACTION PLAN, IN ACCORDANCE WITH OSHA STANDARD, 29 CFR 1910.38; 
 
 B.  PROVIDED STATE AND LOCAL AUTHORITIES THE EMERGENCY PLANNING AND COMMUNITY RIGHT-TO-KNOW INFORMATION AS REQUIRED UNDER SARA TITLE III (EPCRA). 
 
 C.  COORDINATED WITH LOCAL EMERGENCY RESPONDERS. 
 
7.  PLANNED CHANGES TO IMPROVE SAFETY. 
 
 SAFETY IMPROVEME 
NT IS AN ON-GOING PROCESS AT THE FACILITY.  PERIODIC EVALUATIONS ARE PERFORMED TO ASSESS THE MAINTENANCE OF SAFE CONDITIONS.  THERE ARE NO ADDITIONAL SPECIFIC ANHYDROUS AMMONIA OR PROPANE SAFETY RECOMMENDATIONS FOR IMPLEMENTATION AT THIS TIME.
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