7 things to know about handling minibulks KNOW THE RULES: Pesticide minibulks that you haul on your sprayer trailer are exempt from secondary containment regulations if you don’t have them for longer than 30 days. Do you know how to handle and store pesticide minibulks properly and without issues? Suggested Event Jun 15, 2021 to Jun 17, 2021 Minibulks for chemicals make life simpler than handling dozens of 2.5-gallon plastic jugs. If you use them during spraying season, do you know the rules that apply to use and storage? Fred Whitford, director of Purdue University Pesticide Programs, led the charge on developing a publication that explains legal requirements and responsibilities related to minibulks. You can access Pesticide Minibulks: Filling, Maintenance and Containment, PPP-136, on the PPP website. Written copies are available from the Purdue Extension Education Store.