These are pretreated and laundered industrial stain monitors that Andrea used during detergent testing. The bottom-middle monitor shows stains pretreated and washed with Tide Free & Gentle.

An FDA inspection report found dozens of violations at a supplier to the fast-food chain linked to the outbreak of E. coli. A McDonald's restaurant on April 28, 2022 in San Leandro, California.

An FDA inspection of a Taylor Farms facility in Colorado, a supplier of onions for McDonald's, uncovered numerous violations following a deadly E. coli outbreak linked to the fast-food chain.