"Contamination concerns" refers to worries or issues related to the presence of harmful or unwanted substances in something, like food, water, or the environment. Full definition
The entire restaurant is gluten free which means no cross contamination concerns. (foodandsunshine.com)
«We encourage the state to release its findings as soon as possible,» said Nassau County Executive Edward Mangano, who lives in Bethpage and said he got into politics because of groundwater contamination concerns in his hometown. (newsday.com)
SafeTNA was founded in early 2012 as an inert DNA - based tracer that could be incorporated into hydraulic fracturing fluid to address contamination concerns. (dotearth.blogs.nytimes.com)