What is the temperature danger zone (TDZ) for food safety?

41°F to 135°F (5°C to 57°C). Bacteria grow most rapidly within this range.

How long can TCS food remain in the temperature danger zone before it must be discarded?

A maximum of 4 hours cumulative total. After 4 hours in the TDZ, the food must be thrown out.

What does TCS stand for in food safety?

Time/Temperature Control for Safety. TCS foods require strict time and temperature management to prevent pathogen growth.

At what rate do bacteria capable of causing foodborne illness typically double in the temperature danger zone?

Bacteria can double in number every 20 minutes under ideal conditions within the TDZ.

Which of the following is a TCS food that requires strict temperature control?

Cooked rice is a TCS food because its moisture and nutrients support rapid bacterial growth.

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