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Sample questions
What is the restriction regarding entering a treated area?
- Wait 24 hours after application
- Do not enter until dusts have settled
- Wait 48 hours for the granules to dissolve
- Avoid entry for 7 days
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The label states: 'Do not enter or allow others to enter the treated area until dusts have settled.'What is a critical environmental hazard to consider when treating continuous, dense weed masses with Navigate?
- Increased pH levels in the water
- Decreased dissolved oxygen levels
- Increased turbidity of the water
- Changes in water temperature
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The label warns to be cautious of environmental hazards regarding dissolved oxygen levels and suggests treating only part of dense infestations to avoid oxygen depletion.According to the label, where is Navigate intended to be used?
- Indoor decorative ponds only
- Greenhouses and indoor water features
- Outdoor sites like lakes, rivers, and streams
- Indoor hydroponic systems
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The application sites listed include outdoor locations such as ponds, lakes, reservoirs, marshes, bayous, drainage ditches, non-irrigation canals, rivers, and streams.What is the required Personal Protective Equipment (PPE) for a technician using Navigate?
- Chemical-resistant gloves and goggles
- Long-sleeved shirt, long pants, shoes, and socks
- N95 respirator and face shield
- Rubber apron and waterproof boots
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The PPE requirements specified are long-sleeved shirts, long pants, shoes, and socks.Under 'Difficult conditions' for submerged weeds, what is the required finished strength of the herbicide?
- 2 ppm 2,4-D ae/acre-foot
- 4 ppm 2,4-D ae/acre-foot
- 10 ppm 2,4-D ae/acre-foot
- 54 ppm 2,4-D ae/acre-foot
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The mixing table specifies that for submerged weeds under difficult conditions, the finished strength is 4 ppm 2,4-D ae/acre-foot.When should Navigate be spread for optimal weed control?
- In late fall when weeds die back
- In winter during dormant periods
- In spring and early summer when weeds start to grow
- Only when weeds have formed a dense mat
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The timing/weather section states to spread in spring and early summer when weeds start to grow.When applying Navigate to submerged weeds, how are the application rates calculated?
- Per square foot of surface area
- Per acre-foot of water
- Per gallon of water volume
- Per linear foot of shoreline
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The label states that for submerged weeds, rates are calculated per acre-foot of water.Which of the following is a target pest for Navigate?
- Water Milfoil
- Common Duckweed
- Eurasian Watermilfoil
- Hydrilla
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The label explicitly lists Water Milfoil (Myriophyllum spp.) as a susceptible weed.← All practice exams