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Bulk Liquid Fertilizer Storage in Minnesota

Bulk Liquid Fertilizer Storage in Minnesota. Gregg Regimbal Supervisor, Pesticide Management Unit . On-Farm BLF Storage. Substandard recycled tanks Lack of secondary containment Large quantities stored Appears to be increasing. BLF Incident. Substandard Tank.

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Bulk Liquid Fertilizer Storage in Minnesota

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  1. Bulk Liquid Fertilizer Storage in Minnesota Gregg Regimbal Supervisor, Pesticide Management Unit

  2. On-Farm BLF Storage • Substandard recycled tanks • Lack of secondary containment • Large quantities stored • Appears to be increasing

  3. BLF Incident Substandard Tank Cause and result of inadequate storage Clean-up

  4. Enforcement Actions • Involving Growers & Dealers • Incidents occurred • Substandard tanks • Nonpermitted sites

  5. Proper Secondary Containment

  6. On-Farm Bulk Liquid Fertilizer Minnesota

  7. Permitting Options • “Permit Pending” • Pre-approved plans • Fill tanks in sound condition prior to completion of secondary containment • Traditional permit • Complete secondary containment prior to filling tanks

  8. Permitted On-Farm Bulk Liquid Fertilizer Storage • 19 Farm sites permitted • Total tanks: 92 • Average number of tanks/site: 5 • Storage range: 2,500 – 242,200 gals • Tank size range: 1,200 – 34,600 gals • Total storage: 899,549 gals • Average storage/site: 47,345 gals • 3 Farm sites are in Permit Pending Status • Total tanks: 3 • Number of tanks/site: 1 • Tank size range: 5,000 – 21,000 gals • Total storage: 31,000 gals

  9. Any Questions? Gregg Regimbal Supervisor, Pesticide Management Unit 651 201-6671 gregg.regimbal@state.mn.us

  10. MN Fertilizer Authority (cont.-) • Liquid Commercial Fertilizer Rules (1510.0370 – 1510.0380) • Safeguards and storage containers must prevent the escape of liquid fertilizer; and prevent pollution of any surface or ground waters. • Storage container is a tank in which liquid fertilizer is stored. • Liquid Fertilizer is fertilizer material in a fluid, nonpackaged form

  11. MDA Authority on Fertilizer Storage • MDA statutes: • Permit for bulk storage of fertilizers (18C.305) • Must store, handle and distribute fertilizer in a manner that does not cause unreasonable adverse effects on the environment (18C.201 subd.1)

  12. BLF Storage Guidelines • Storage quantity is limited to slightly over a semi load (approx. 6,000 gallons) and for a short period of time prior to use (approx. 4 weeks) • Tanks and appurtenances in good condition • No storage adjacent to wells, surface waters, tile inlets or anything easily contaminated from a spill • Must maintain an incident response plan

  13. Rulemaking History • New proposed BLF rule in the late 1990’s was not finalized • Proposal contained more specific language on storage

  14. Overview • On-Farm Storage Issues • MDA’s Authority • Storage Guidelines • Incidents • Enforcement • Permitting • Rulemaking History

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