How to Use a Pesticide Sprayer Safely

If you have not used one already, you willcollar. This way any pesticide still in the wand will
someday use a pump-up pesticide sprayer. Theydrip on the ground instead of flowing back over
are used everyday to spray liquid insecticides,your fingers and hands. Even then, it is difficult to
herbicides, fertilizers, and more. However, theyadjusts the tip without contaminating your fingers
are not perfect and most have common inherentwith the spray solution. You should always wear
design weakness that can pose a danger if youlatex gloves for safety.
are not aware of them. The information belowCheck wand tube connections on your pesticide
describes important safety tips when workingsprayer. If not fastened securely, the pressure
with chemicals, potential pesticide sprayercan cause the tube to blow off at the point
weaknesses, and tips for using a sprayer safely.where the tube connects to the tank. If the tube
Read Fertilizer and Pesticide Labels Carefullycomes off while the tank is pressurized, the result
Whether you are planning to spray liquid fertilizer,is an immediate loss of pressure that shoots
an insecticide, herbicide or other pesticide, alwaysspray mist everywhere.
read the label completely and carefully first. MakeHow to safely release pressure within the tank:
sure you have all the personal protectiveIt is best to release the tank pressure through
equipment (PPE) listed on the label before openingthe wand by spraying. If you need to release the
the container. The label lists the minimum safetytank pressure, you can do this through a tank
equipment requirements. By law, you can't wearpressure release valve, if supplied. Another ways
less, but you can always wear more.is by turning the carry/pump handle to release
Become Familiar with Sprayer Parts and Operationthe pressure. You do need to exercise caution,
Become familiar with how your garden sprayer orhowever. As the air is release from the tank, it
chemical sprayer operates. Most have a carryingwill always carry a small amount pesticide or other
handle on top that doubles as the pump. Thetank solution with it. The spray will usually shoot
handle on top screws off and on and lifts out sostraight up down to a 45 degree angle. It is easy
a mixture can be poured into the tank. Whento be sprayed in the face, eyes, hands, arms, or
lifting the handle out you will see the long cylinderlegs.
piston that pumps pressure into the tank.To release the pressure safely, take a sheet of
After the spray mixture is added, replace thenewspaper or plastic bag and cover the release
handle and screw it on tight. To add air pressure,valve or handle. Drape the remaining material
push the handle down and turn slightly. Thisaround the tank. Slowly release the pressure. The
releases the piston rod so you can begin pumpingpaper or plastic will keep the pesticide from
air pressure into the tank. Do not over pump withspraying on you.
air pressure; you can always add more pressureAfter you have finished your spraying job, rinse
later. When you are finished adding pressure, pushthe tank out three times. Spray the rinse on your
the handle down and turn slightly in the oppositetarget plants.
direction to secure the handle.A Few Additional Safety Tips
The spray wand is used to deliver the material.- Do not mix more pesticide per gallon ratio than
Most have a trigger or lever on the wand tois stated on the pesticide label. It will not usually
release the material. Depending on the sprayer,provide more control and can even elevate the
the collar around the spray tip turns to adjust thedanger to people, pets, or plants.
spray pattern from a jet stream to a cone or- Do not spray chemicals upward without
flat spray pattern.additional protective clothing. Inexpensive,
Inherent weaknesses with hand-held pesticidelightweight, disposable pesticide suits are designed
sprayers.for this type of work.
Be aware that many inexpensive pesticide pump- Do not use your pesticide sprayer on windy
sprayers are cheaply made. The most commondays. It is difficult to control where the spray
problem is that they tend to leak at key points.goes and it can always blow back on you.
They will frequently leak around the spray trigger- Do not mix different pesticide or herbicide
and spray tip. Be sure to wear latex gloves (dochemicals, unless specified on the label. Some
not wear cloth or leather gloves) to protect yourchemicals are not compatible. Some can heat up
hands during use.rapidly, form a thick jel, or on rare occasions,
When adjusting the spray tip, point the tipeven explode.
towards the ground while turning the adjusting