🧹Iowa Cleaning & Sanitizing — Question 19 of 20
What is the correct chlorine concentration for a chemical sanitizing dishwasher?
Iowa ServSafe Cleaning & Sanitizing Test Info
Questions on Exam
~10 scored questions on the exam
Passing Score
75% overall (60/80)%
Time Limit
2 hours for the full exam
Certification Renewal
Every 5 years
Iowa Department of Inspections and Appeals
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