Water Soluble Packages (WSP) are designed to reduce exposure during
mixing and loading. However, the Agricultural
Handlers Exposure Task Force (AHETF)
found that
► users were more exposed when using Water
Soluble Packages than Wettable Powders.
Exposure occurred when users sprayed high pressure water on the packets
and/or intentionally broke the packets to help them dissolve.
Use Water Soluble Packages properly to reduce exposure. Follow these handling and mixing instructions
developed by the United States Environmental Protection Agency and the AHETF.
Handling Instructions
• Mix in the spray tank only.
• Keep the WSP intact. Do not cut or puncture the
WSP. Do not break or release the
contents.
• Keep the WSP in the outer packaging until just before
use.
• Keep the WSP dry until adding it to the spray tank.
• Reseal the WSP in its outer packaging to protect any
unused WSP(S).
• Handle with dry gloves.
If
the WSP tears or ruptures before or during handling, put on full Protective
Clothing and Equipment as required by the label.
Mixing
Instructions
• Remove the basket or strainer before adding the WSP to
the tank.
• Fill tank with water to approximately one-third to
one-half of the desired volume.
• Stop adding water.
Stop mixing. Place the intact and
unopened WSP(s) into the tank.
• Do not spray water from a
hose or fill pipe to break or dissolve the WSP(s).
• Agitate from the bottom of tank without using any
overhead recirculation if possible. Shut
the tank lid.
• Allow time for the WPS to
dissolve. It may take up to 5 minutes or longer, depending on
water temperature, water hardness and agitation.
• Stop agitation before you open the tank lid and check
if the WPS is fully dissolved.
• Once fully dissolved, add any other products and fill
the tank with water to the desired level.
Keep agitating during transport and application.