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Pesticide Registration

Methyl Bromide Commodity Fumigation Buffer Zone Lookup Tables

Methyl Bromide Products Requiring Buffer Zones

The labels of the products below require that all applications must have a specified buffer zone around treatment and aeration areas. Buffer zone distances must be determined according to the tables and instructions below. The applicable buffer zone is part of the directions for use of these products.

Product Name EPA Registration Number
METH-O-GAS 100  5785-11
METH-O-GAS Q 5785-41
METHYL BROMIDE 100 8536-15
METHYL BROMIDE QUARANTINE FUMIGANT 8536-29
METABROM 100 8622-16
METABROM Q 8622-55

Tables for Determining Buffer Zone Distances

TREATMENT BUFFER ZONES

TREATMENT TIME BUFFER ZONE FILE
(includes application rate, enclosure size, and retention rate)
8 hours or less PDF
More than 8 hours PDF

AERATION BUFFER ZONES

AERATION TIME AERATION METHOD
 
  • Passive
  • Active Aeration: Attached Vertical Stacks
  • Active Aeration: Open-Area Vertical Stacks
  • Active Aeration: No Stacks
  • Active Aeration: Horizontal Stacks
    STACK HEIGHT

    For attached stacks, measured from the base of the roof of the enclosure.

    For open-area stacks, measured from the ground.

    Always round down to lowest stack height.
    BUFFER ZONE FILE

    Includes application rate, enclosure size, and retention rate, and air exchange rate.
    8 hours or less Passive n/a Use 8 hours or less Treatment  Buffer Zone
    8 hours or less Active Aeration: Attached Vertical Stacks 0 feet Use 8 Hours or Less Active Aeration: Open-Area Vertical Stacks 5 feet Buffer Zone
    8 hours or less Active Aeration: Attached Vertical Stacks 5 feet Use 8 Hours or Less Active Aeration: Open-Area Vertical Stacks 5 feet Buffer Zone
    8 hours or less Active Aeration: Attached Vertical Stacks 10 feet PDF
    8 hours or less Active Aeration: Attached Vertical Stacks 25 feet PDF
    8 hours or less Active Aeration: Attached Vertical Stacks 50 feet PDF
    8 hours or less Active Aeration: Open-Area Vertical Stacks 5 feet PDF
    8 hours or less Active Aeration: Open-Area Vertical Stacks 10 feet PDF
    8 hours or less Active Aeration: Open-Area Vertical Stacks 25 feet PDF
    8 hours or less Active Aeration: Open-Area Vertical Stacks 50 feet PDF
    8 hours or less Active Aeration: No Stacks n/a PDF
    8 hours or less Active Aeration: Horizontal Stacks n/a PDF
    More than 8 hours Passive n/a Use More than 8 Hours Treatment  Buffer Zone
    More than 8 hours Active Aeration: Attached Vertical Stacks 0 feet  Use More than 8 Hours Active Aeration: Open-Area Vertical Stacks 5 feet Buffer Zone
    More than 8 hours Active Aeration: Attached Vertical Stacks 5 feet Use More than 8 Hours Active Aeration: Open-Area Vertical Stacks 5 feet Buffer Zone
    More than 8 hours Active Aeration: Attached Vertical Stacks 10 feet PDF
    More than 8 hours Active Aeration: Attached Vertical Stacks 25 feet PDF
    More than 8 hours Active Aeration: Attached Vertical Stacks 50 feet PDF
    More than 8 hours Active Aeration: Open-Area Vertical Stacks 5 feet PDF
    More than 8 hours Active Aeration: Open-Area Vertical Stacks 10 feet PDF
    More than 8 hours Active Aeration: Open-Area Vertical Stacks 25 feet PDF
    More than 8 hours Active Aeration: Open-Area Vertical Stacks 50 feet PDF
    More than 8 hours Active Aeration: No Stacks n/a PDF

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