Sonar H4C

What procedure must be performed before applying the product near potable water intakes to ensure concentration limits are not exceeded?

• A water flow rate monitoring
• A FaSTest ✓
• An environmental safeguard assessment
• A target vegetation analysis

Answer: The text states: 'Always perform a FaSTest before applying near potable water intakes to ensure concentration limits are not exceeded.'

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What is the concentration of the active ingredient trifluralin-methyl in Sonar H4C?

• 0.027 lbs active ingredient per pound of product ✓
• 150 ppb per annual growth cycle
• 0.15 lbs active ingredient per pound of product
• 150 ppb per application site

Answer: The text states: 'The active ingredient is trifluralin (as trifluralin-methyl), which is present at a concentration of 0.027 lbs active ingredient per pound of product.'

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Which of the following is a specific restriction regarding non-target organisms when using Sonar H4C?

• Do not use if fish are present in the water body.
• Do not use in areas where non-target organisms (fish, etc.) are at risk without following environmental safeguards. ✓
• Do not use in rivers if fish are being managed.
• Do not use if water flow exceeds 150 ppb.

Answer: The text states: 'Do not use in areas where non-target organisms (fish, etc.) are at risk without following environmental safeguards.'

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In what environments is Sonar H4C effective for managing plant growth?

• Only in still water environments
• Only in moving water such as canals and rivers
• Both moving water and still water environments ✓
• Only in potable water sources

Answer: The text states: 'The product is effective at managing plant growth in moving water, such as canals and rivers, as well as still water environments.'

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Sonar H4C is effective for the management of which types of aquatic vegetation?

• Only species of grasses
• Only certain broadleaf plants
• Only plants in still water
• Many species of grasses and certain broadleaf plants ✓

Answer: The text states: 'It is used to control a variety of aquatic plants, including many species of grasses and certain broadleaf plants...'

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When applying Sonar H4C in moving water, what is the maximum allowed concentration per annual growth cycle?

• 150 ppb ✓
• 0.027 lbs per pound of product
• Variable based on water flow rate
• 150 ppb per target plant

Answer: The text states: 'Applications in moving water must not exceed 150 ppb per annual growth cycle.'

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According to the label, what is the maximum allowable concentration for applications near potable water intakes?

• Variable based on target plant
• 0.027 lbs per pound of product
• 150 ppb ✓
• 150 ppb per annual growth cycle

Answer: The text states: 'Applications near potable water intakes must not exceed 150 ppb.'

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When calculating application rates for Sonar H4C, which factors must be considered based on the label?

• Weather conditions and PPE requirements
• Target species and non-target organism risk
• Water flow rate and depth ✓
• Annual growth cycle and potable water intake location

Answer: The text states: 'Applications are calculated based on water flow rate and depth.' and 'technicians must be mindful of environmental factors like water flow rates and depth to ensure effective dilution...'

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