What is REI/PHI?

Question: 

What is REI/PHI?

Answer:

Re-Entry Interval (REI)

• Is a period of time after a pesticide has been applied during which workers are not allowed to enter the treated area. 
• This is to ensure that the pesticide has been properly applied and that there is no risk of exposure to workers or other individuals entering the area.
• The REI is listed on the pesticide label found on the bottle or package.
• Complying with the REI on the label is legally required. 
• Checkout the EPA's website for more information about REI. 
  
  

Pre-Harvest Interval (PHI)

• Is the amount of time that must pass between the last application of a pesticide and the harvest of the crop.
• This is to prevent harmful amounts of residues on the harvested product for consumers to eat.
• The PHI is listed on the pesticide label found on the bottle or package.
• Complying with the PHI on the label is legally required. 

For related information, read this article:

Overview of REI/PHI