VIRGINIA COMMERCIAL PESTICIDE
CATEGORY 1-A EXAMINATION GUIDE 2025
COMPLETE STUDY HANDBOOK WITH
ACCURATE A+ ANSWERS
◍ Required PPE when spraying pesticides. Answer: Gloves, goggles,
long sleeves, sometimes respirator.
◍ REI. Answer: Time before workers can re-enter a treated area.
◍ Pesticide storage. Answer: In original containers, locked, labeled,
and ventilated.
◍ Disposing of empty containers. Answer: Triple rinse and follow
local disposal rules.
◍ WPS. Answer: Worker Protection Standard—federal safety rules
for farm workers.
◍ Application rate. Answer: Found on the product label based on
crop and pest.
, ◍ Nozzle selection importance. Answer: It affects coverage and drift.
◍ Calibration frequency for sprayers. Answer: Each season or after
equipment changes.
◍ Result of poor calibration. Answer: Over- or under-application.
◍ Spray drift. Answer: Movement of spray off-target.
◍ Spray volume calculation. Answer: GPA = (GPM × 5940) ÷ (MPH
× W).
◍ Anti-siphon devices. Answer: Prevent backflow into water supply.
◍ Factors affecting droplet size. Answer: Nozzle, pressure, and wind.
◍ Preventing cross-contamination. Answer: Rinse tanks, use
separate equipment.
◍ Key equipment maintenance task. Answer: Clean nozzles and
check hoses and filters.
CATEGORY 1-A EXAMINATION GUIDE 2025
COMPLETE STUDY HANDBOOK WITH
ACCURATE A+ ANSWERS
◍ Required PPE when spraying pesticides. Answer: Gloves, goggles,
long sleeves, sometimes respirator.
◍ REI. Answer: Time before workers can re-enter a treated area.
◍ Pesticide storage. Answer: In original containers, locked, labeled,
and ventilated.
◍ Disposing of empty containers. Answer: Triple rinse and follow
local disposal rules.
◍ WPS. Answer: Worker Protection Standard—federal safety rules
for farm workers.
◍ Application rate. Answer: Found on the product label based on
crop and pest.
, ◍ Nozzle selection importance. Answer: It affects coverage and drift.
◍ Calibration frequency for sprayers. Answer: Each season or after
equipment changes.
◍ Result of poor calibration. Answer: Over- or under-application.
◍ Spray drift. Answer: Movement of spray off-target.
◍ Spray volume calculation. Answer: GPA = (GPM × 5940) ÷ (MPH
× W).
◍ Anti-siphon devices. Answer: Prevent backflow into water supply.
◍ Factors affecting droplet size. Answer: Nozzle, pressure, and wind.
◍ Preventing cross-contamination. Answer: Rinse tanks, use
separate equipment.
◍ Key equipment maintenance task. Answer: Clean nozzles and
check hoses and filters.
