Scope of Testing

AHETF developed and submitted generic exposure data for the following 25 use scenarios.

Mixer/Loader:

• Open pour liquids
• Open pour dry flowables
• Open pour wettable powders
• Wettable powders in water soluble packets
• Open pour loading granules
• Mechanical transfer of liquids
• Closed system loading of solids
• Chemigation

Applicator:

• Open cab ground boom liquids with and without soil incorporation
• Closed cab ground boom liquids
• Open cab airblast
• Closed cab airblast
• Closed cockpit aerial fixed wing and helicopter liquids
• Backpack liquids in rights-of-way
• Hand gun liquids in rights-of-way

Mixer/Loader/Applicator with Hand Held Equipment:

• Handgun liquids in greenhouses and nurseries
• Backpack liquids
• Backpack granules

Seed Treatments: 

• Commercial treatment of seeds
• Packaging treated seeds
• Cleaning out seed treatment equipment
• Commercial treatment of small-seeded vegetables
• On-farm seed treatment of liquids
• Loading and planting treated seeds
• On-farm seed treatment of solids (hopper box)

AHETF also conducted the following surveys:

• Characterization of the seed treatment Industry
• Throughput of commercial and downstream seed treatment facilities
• Backpack application of liquids
• Drip irrigation – acres treated per day
• Use of backpack and hand gun equipment in greenhouses and nurseries
• Acres treated per day with airblast equipment