Pests & Facilities第 142 / 240 题
A sanitizer solution has been sitting in a bucket for hours and is full of food debris. What is the correct action before continuing to sanitize?
a.Add a little more water
b.Keep using it since it was strong when mixed
c.Pour it back into the original chemical bottle
d.Discard it, clean the bucket, and mix a fresh solution, testing the concentration
解析
Sanitizer weakens over time and is deactivated by food soil, so a dirty, old solution must be discarded and a fresh batch mixed and tested. Continuing to use it or watering it down leaves surfaces unsanitized. Sanitizer must be kept clean and at the correct concentration throughout the shift.
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