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SURFACE TEMPERATURE INVERSIONS
D
rift potential is high during a surface temperature inversion.
Surface inversions restrict vertical air mixing, which causes
small suspended droplets to remain close to the ground and
move laterally in a concentrated cloud. Surface inversions are
characterized by increasing temperature with altitude and are
common on nights with limited cloud cover and light to no
wind. They begin to form as the sun sets and often continue
into the morning. Their presence can be indicated by ground
fog; however, if fog is not present, inversions can also be
identified by the movement of smoke from a ground source or
an aircraft smoke generator. Smoke that layers and moves
laterally in a concentrated cloud (under low wind conditions)
indicates a surface inversion, while smoke that moves upward
and rapidly dissipates indicates good vertical air mixing.
SHIELDED SPRAYERS
Shielding the boom or individual nozzles can reduce the
effects of wind. However, it is the responsibility of the
applicator to verify that the shields are preventing drift, and
not interfering with uniform deposition of the product.
SPRAY TANK CLEAN OUT
Thoroughly clean all traces of DuPont™ VELPAR® DF
from application equipment immediately after use. Flush the
tank, pump, hoses, and boom with several changes of water
after removing nozzle tips and screens (clean these parts
separately). Dispose of the equipment wash water by
applying it to a use-site listed on this label.
STORAGE AND DISPOSAL
D
o not contaminate water, food, or feed by storage or
d
isposal.
Pesticide Storage: Store product in original container
o
nly. Store in a cool, dry place.
Pesticide Disposal: Waste resulting from the use of
this product may be disposed of on site or at an
approved waste disposal facility.
Container Disposal: For Plastic Containers: Triple
rinse (or equivalent). Then offer for recycling or
reconditioning, or puncture and dispose of in a
sanitary landfill, or incineration, or, if allowed by State
and local authorities, by burning. If burned, stay out of
smoke.
For Fiber Sacks: Completely empty fiber
sack by shaking and tapping sides and bottom to
loosen clinging particles. Empty residue into manufac-
turing or application equipment. Then dispose of sack
in a sanitary landfill or by incineration if allowed by
State and local authorities.
For Fiber Drums With
Liners: Completely empty liner by shaking and
tapping sides and bottom to loosen clinging particles.
Empty residue into application equipment. Then
dispose of liner in a sanitary landfill or by incineration
if allowed by State and local authorities. If drum is
contaminated and cannot be reused, dispose of in the
same manner.
For Paper and Plastic Bags:
Completely empty bag into application equipment.
Then dispose of empty bag in a sanitary landfill or by
incineration, or, if allowed by State and local
authorities, by burning. If burned, stay out of smoke.
Container Refilling and Disposal (For Containers
up to 250 gal): This is a refillable container. If the
container is to be refilled, do not rinse with any
material or introduce any pesticide other than
DuPont™ VELPAR® DF. Reseal and return the
container to any authorized DuPont refilling facility.
If the container is not to be refilled, triple rinse (or
equivalent) and offer for recycling or reconditioning,
or puncture and dispose of in a sanitary landfill, or by
incineration, or by open burning, if allowed by state
and local authorities. If burned, keep out of smoke.
For minor spills, leaks, etc., follow all precautions
indicated on this label and clean up immediately. Take
special care to avoid contamination of equipment and
facilities during cleanup procedures and disposal of
wastes. In the event of a major spill, fire or other
emergency, call 1-800-441-3637 day or night.
Container Disposal for Bulk Containers: When this
container is empty, replace the cap and seal all
openings that have been opened during use, and return
the container to the point of purchase or to a
designated location named at time of purchase of this
product. The container must only be refilled with this
pesticide product. DO NO REUSE THE
CONTAINER FOR ANY OTHER PURPOSE. Prior
to refilling, inspect carefully for damage such as
cracks, punctures, abrasions, worn-out threads and
closure devices. Check for leaks after refilling and
before transporting. Do not transport if this container
is damaged or leaking. If the container is damaged,
leaking or obsolete, contact DuPont at 1-800-441-
3637. If not returned to the point of purchase or to a
designated location, triple rinse emptied container and
offer for recycling. Disposal of this container must be
in compliance with state and local regulations.
For minor spills, leaks, etc., follow all precautions
indicated on this label and clean up immediately. Take
special care to avoid contamination of equipment and
facilities during cleanup procedures and disposal of
wastes. In the event of a major spill, fire or other
emergency, call 1-800-441-3637 day or night.
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