As provided in RCW 69.50.331 and WAC 314-55-050, marijuana producers, marijuana processors, and marijuana retailers shall not be allowed to locate within one thousand feet of public parks, playgrounds, recreation/community centers, libraries, child care centers, schools, game arcades and public transit centers. For purposes of this standard, these uses are defined in Chapter 314-55 WAC. The methodology for measuring the buffers shall be as provided in Chapter 314-55 WAC. It shall be the responsibility of the owner or operator of the proposed state-licensed marijuana use to demonstrate and ensure that a proposed location is not within one of the buffers.