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Routinely check that HLD is at least minimum concentration. Dispose of solution if minimum concentration is not met, and also at end of use per manufacturer's instructions. "Topping off" the solution does not extend its reuse life.
Document results of testing for effective concentration and expiration dates for test strips and chemical disinfectants.
Before each use, check that minimum concentration is met. "Topping off" the solution does not extend its reuse life. Thoroughly document all results.
Before each use, check that minimum concentration is met. "Topping off" the solution does not extend its reuse life. Thoroughly document all results.
Make sure test strips are also quality tested and not expired. Document quality testing of HLD solution.
Refer to manufacturers' IFUs.
Follow manufacturer’s IFUs for testing of HLD solution between each use, temperature of high-level disinfectant, time based on manufacturer IFUs of the solution, and test strips are used as indicated and not expired.
 Solution and concentration should be monitored and documented and dated as per manufacturer IFUs.