Salary: $18-20 Hourly DOE. Dave Purchase Project is a not-for-profit 501(c)(3) organization whose mission is to facilitate. disease prevention. We are dedicated to the creation, expansion and continued existence of. syringe exchange programs (SEPs) as a proven method of stopping the transmission of blood. borne pathogens in the injecting drug using community. We are also dedicated to empowering. vulnerable populations by providing them with the k...