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Dissipation and Off-site Movement of Aerially Applied Forestry Herbicides Pam Wofford

Dissipation and Off-site Movement of Aerially Applied Forestry Herbicides Pam Wofford Department of Pesticide Regulation Tribal Environmental Work Group Klamath, CA February 14, 2001. Plant Monitoring. Spring 2000: Two dissipation sampling sites Beargrass One off-site sampling site

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Dissipation and Off-site Movement of Aerially Applied Forestry Herbicides Pam Wofford

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  1. Dissipation and Off-site Movement of Aerially Applied Forestry Herbicides Pam Wofford Department of Pesticide Regulation Tribal Environmental Work Group Klamath, CA February 14, 2001

  2. Plant Monitoring Spring 2000:Two dissipation sampling sites Beargrass One off-site sampling site Beargrass Fall 2000: Two dissipation sampling sites Yarrow Huckleberry Manzanita Two off-site sampling sites Beargrass Huckleberry Yarrow

  3. Spring 2000 Triclopyr & 2,4-D Beargrass 225 acres Fall 2000 Triclopyr & 2,4-D Beargrass Huckleberry 25 acres Fall 2000 Triclopyr & 2,4-D Yarrow 35 acres

  4. Results of sampling for off-site movement ano detectable amount. MDL is 0.05 ppm bno detectable amount. MDL is 0.10 ppm

  5. Spring 2000 Triclopyr 2,4-D Beargrass 25 acres Spring 2000 Triclopyr 2,4-D Beargrass 66 acres Fall 2000 Triclopyr 2,4-D Yarrow Huckleberry 116 acres

  6. Fall 2000 Tricloypr 2,4-D Manzanita 44 acres

  7. Hupa & Karuk Water Monitoring

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