Food contact surfaces should be tested before sanitizer is applied, but swabbing can either be done before or after the sanitizer step. It shouldn’t make a difference as long as:
- All ATP is assumed to be removed from the surface
- The sanitizer used was properly prepared and with proper concentration
- The appropriate contact time that is recommended by the manufacturer has been achieved
- Pools of cleaners or sanitizer are avoided.
The AccuPoint samplers contain a buffered extraction solution that is designed to neutralize any potential effect of your sanitizer. The surface should be completely clean before the sanitizer is even applied. This allows for a true reading or whether the equipment surface has been properly and effectively cleaned.
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