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Terr-O-Gas 67: methyl bromide/chloropicrin

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 21 January 2008
Pub 75: Guide to Weed Control > Notes on Herbicides > Terr-O-Gas 67: methyl bromide/chloropicrin
Excerpt from Chapter 4, Publication 75, Guide to Weed Control, Order this publication
Trade Names
Terr-O-Gas 67
Formulation Li
Guaranteed active concentration 67%+ 31%
Groups -
Ontario Schedule 1
Winter Storage -
Chemical Family: Organohalogen
Crop and/or Non-Crop Registrations: Greenhouse and tobacco seedbeds. Methyl bromide is very poisonous to humans and livestock; only an experienced operator should attempt its use.
Sensitive Weeds: Gas is toxic to germinating seedlings.
Application Methods Formulated as a liquid under pressure, that, when released from the container, forms a gas. Soil must be sealed with a plastic sheet since the gas is highly volatile. Refer to label for detailed directions.
Unique Characteristics Methyl bromide gas is highly volatile and highly poisonous to humans and livestock. It may be absorbed by inhalation, ingestion and skin contact. A permit must be obtained from the Ontario Ministry of the Environment each time it is used. Also controls soil insects, nematodes and fungal diseases.
Manufacturer / Registrant Great Lakes Chemical Corp.

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