The best way to safeguard against the return of pests after treatment is to follow our recommended Integrated Pest Control methods. These are based on the EPA’s seven suggested procedures to ensure your home or office remain pest-free after treatment. Your technician will review these methods with you and provide a pamphlet for your review and reference.
— EPA, “Try Prevention First,” https://www.epa.gov/safepestcontrol/dos-and-donts-pest-control