A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure.
The use of temperature or humidity manipulation is a ______________________ control method for insects.
biological
legal
physical
Drift problems can be reduced by:
using lower pressure, smaller nozzle orifices
applying in very calm, stable air conditions
placing a boom as close to the target as possible
Which is not a concern when handling an emulsifiable concentrate pesticide?
visible plant residues
may be easily absorbed through human and animal skin
easily clogs nozzles and screens
EPA and WSDA are the only federal and state agencies that regulate pesticides.
Two or more pesticides which CANNOT be mixed together effectively are said to be ________________.
Incompatible
Compatible
Unmixable
All formulations with the same active ingredient carry the same signal word.
The skull and crossbones symbol must appear on every pesticide label.
The best way to dispose of a registered pesticide is to:
pour it into the sewer system
bury it in a vacant area
use it as directed on the label
To minimize drift when applying an herbicide, the best type of nozzle to use is:
a low pressure, flat fan
off-center
a high pressure cone
Which LD50 is representative of a highly toxic pesticide?
46 mg/kg
640 mg/kg
5,800 mg/kg
Pesticide - contaminated surface water can contaminate groundwater.
Pesticide records are useful to applicators in case they have problems with effectiveness.
If an applicator had two major label violations and was cited by WSDA, they could face a maximum fine of $15,000 and lose their license.
Dealers must keep records for 7 years on the sale of general use pesticides.