Information sources on sampling/swabbing methods:

https://www.foodsafetymagazine.com/magazine-archive1/februarymarch-2014/an-environmental-sampling-approach-to-product-risk-assessment/

https://www.foodsafetymagazine.com/magazine-archive1/februarymarch-2006/microbiological-sampling-in-the-dry-foods-processing-environment/

https://www.foodauthority.nsw.gov.au/about-us/science/food-risk-studies/environmental-swabbing

https://www.foodauthority.nsw.gov.au/sites/default/files/_Documents/scienceandtechnical/environmental_swabbing.pdf

https://www.fda.gov/food/sampling-protect-food-supply/environmental-sampling

Information sources on risk assessments:

https://www.neogen.com/neocenter/blog/three-free-tools-to-build-a-food-safety-environmental-risk-assessment/

https://www.foodsafetymagazine.com/magazine-archive1/februarymarch-2014/an-environmental-sampling-approach-to-product-risk-assessment/

https://www.researchgate.net/publication/235765325_Environmental_monitoring_risk_assessment

Information sources on programs/procedures:

https://www.qualityassurancemag.com/article/monitoring-microorganisms-in-a-food-plant/

https://meridian.allenpress.com/jfp/article-abstract/81/7/1108/174776/Evaluation-of-an-Environmental-Monitoring-Program?redirectedFrom=fulltext