REI and WPS Information

Return Entry Information (REI) and Worker Protection Standards (WPS) are discussed here.

Generally speaking, the WPS requirements are EPA rules which define how businesses and farms must educate and protect their workers during and after pesticide applications. To read quick reference guide of the WPS regulations click here. (PDF, 656 Kb)  To read the full 141 page regulations, dated September, 2005, click here. (PDF, 5,303 Kb)

There are some exemptions from the WPS rules for owners of agricultural establishments and for crop advisors. To read these owner exemptions, click here. (PDF, 556 Kb)

There are also special exceptions to the normal re-entry time intervals (REIs). These early entry exceptions are allowed for short periods of time (less than one hour), and for unforeseen emergencies, such as repair of irrigation equipment which has unexpectedly failed. To read a summary of the early entry exceptions, click here. (PDF, 1,140 Kb)

To see a chart of pesticides which Grace Flying commonly applies, click here. (PDF, 28 KB)


To see a complete chart of pesticides from the EPA, click here. (PDF, 113 KB)


To look up a pesticide label or MSDS sheet, click here.