Blueberry specific food safety guidance describing what can you do to minimize the risk of contamination (with MSU Food Safety Extension).
Growing Safe Produce (GSP) is a free training program through which Inter-American Institute for Cooperation on Agricultura (IICA) seeks to aid growers improve their understanding of the Food Safety Modernization Act Produce Safety Rule (FSMA-PSR).
This link contains links to many additional pages specific to blueberries in Nova Scotia, but that may be relevant more broadly. Topics extend beyond food safety and include whole farm management, pest management, pollinators, nutrient management, field management, harvesting, and business risk.