What safety standard did david m. theno implement at jack in the box in 1992?

D. Every grill worker was required to use tongs to handle hamburger patties instead of bare hands.

Explanation:

According to a different source, these are the options that come with this question:

A. Employees were required to be certified through the SIS-C and tested regularly for banned substances.

B. Grilling equipment was required to be shut off, cleaned, and sterilized for every two to four hours of use.

C. Federal inspectors were given the complete authority to shut down food production at any time.

D. Every grill worker was required to use tongs to handle hamburger patties instead of bare hands.

The safety standard that David M. Theno implemented at Jack in the Box in 1992 was the fact that every grill worker was required to use tongs to handle the patties, as opposed to their bare hands. This allowed for a more hygienic process, as tongs could more easily be kept clean. Moreover, it was easy to avoid touching other products with tongs, while the same cannot be said of bare hands.

d is the correct answer