Practice 8 Physan 20 Disinfectant exam questions with instant feedback and cited explanations.
According to the PPE requirements, which item is NOT listed as a required garment for applicators and handlers?
Answer: The label requires long-sleeved shirts, long pants, waterproof gloves, shoes, socks, and protective eyewear, but does not mention an apron.
Which of the following is a specific restriction regarding the use of Physan 20 in aquatic environments?
Answer: The label explicitly states 'DO NOT USE WITH FISH!'
When cleaning algae growth from bird baths prior to filling, what is the correct procedure?
Answer: The label notes to spray all exposed surfaces with PHYSAN 20 solution, allow to air dry, and brush off the dead algae.
What should an applicator do with clothing that has been heavily contaminated with the product's concentrate?
Answer: The label instructs to discard clothing and other absorbent materials that have been drenched or heavily contaminated with the concentrate and not to reuse them.
To disinfect hard, inanimate, non-porous surfaces against plant pathogens, how long must the surfaces remain thoroughly wet?
Answer: The label specifies that all hard non-porous inanimate surfaces must remain thoroughly wet for 10 minutes for disinfection.
Where is Physan 20 NOT intended for use?
Answer: The label states the product is 'NOT INTENDED FOR USE IN DOMESTIC GREENHOUSES WHERE FOOD CROPS ARE GROWN.'
When treating bird baths, fountains, or decorative pools for algae, what is the correct mixing rate to achieve an initial dose of 5 ppm?
Answer: The label states that 1 tsp. per 52 gallons of water is the initial dose to achieve a concentration of 5 ppm.
What is the required application rate for treating adult Orchid plants against plant pathogens?
Answer: The label specifies a rate of 2 tsp. per gallon of water for Orchids (Adult plants).