DCPA (Dacthal) Use in Hawaii

Date: Friday, September 5, 2003
To: Harold Coble, USDA, and Rick Melnicoe, WRPMC director
From: Cathy Tarutani
Subject: DCPA (Dacthal) Use in Hawaii

Attached is a brief note about important uses of DCPA in Hawaii. These uses are for onions and head and Chinese cabbage.

If you have any questions or can provide further information about the DCPA registration, please contact Mike Kawate, Pesticide Registration Specialist, (808) 956-6008) or me.

Cathy Tarutanii
Department of Plant and Environmental Protection Sciences
3190 Maile Way |
St John Plant Science Lab., Room 017 University of Hawaii |
Honolulu, HI 96822
Voice: 808-956-2004
Fax: 808-956-9675

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Response to:
Date: Friday, July 24, 2003
To: Rick Melnicoe, WRPMC director
From: Harold Coble
Subject: DCPA Use in Hawaii

I got a call from Jill Bloom of EPA, CRM for DCPA. DCPA is a herbicide used on cole crops, onions, and some other crops. Apparently there are serious cancer and groundwater issues with this chemical. EPA needs to know if there would be hardships created by cancelling the registration of DCPA.

Can you check with the minor crops people in your regions to see what the story is on DCPA use and what alternatives are available and/or used?

Thanks,

Harold D. Coble
Agronomist, USDA/ARS/OA
Office of Pest Management Policy
320 Scott Hall, Box 7608
N.C. State University
Raleigh, NC 27695-7608
Voice: 919-513-2124
Fax: 919-515-3928