(b) Any of the following violations are imminent health hazards against the public interest which require the permit-issuing official or his designated representative to order the establishment closed and all service of food stopped immediately if not corrected at the time of the inspection while the permit-issuing official or representative of the permit-issuing official is present:

1. (1) food is present from an unapproved or unknown source or which is or may be adulterated, contaminated, or otherwise unfit for human consumption;
2. (2) potentially hazardous food is held for a period of time longer than that necessary for preparation or service at a temperature greater than 45°F (7.2°C) or less than 140°F (60°C);
3. (3) potentially hazardous food which has been served to another consumer or which has been exposed to other contamination is served again;
4. (4) toxic items are improperly stored or used;
5. (5) persons with disease or infection which can be transmitted by food or drink are engaged in preparing, handling, serving or otherwise contaminating food at the food service operation;
6. (6) the potable water is not in conformance with the requirements of Part 5 of this Title, and it reasonably appears to the permit-issuing official or his designated representatve that it can result in an imminent health hazard;
7. (7) any cross-connection or other fault in the potable water system may permit contamination of the potable water supply, and it reasonably appears to the permit-issuing official or his designated representative that it can result in an imminent health hazard; or
8. (8) sewage or liquid waste is not disposed of in a sanitary manner acceptable to the permit-issuing official.