Cleaning validation training

Carryover limit lab

Explore how batch size, daily dose, shared surface area and swab recovery change a calculated carryover limit. The starting PDE is an illustrative input; replace it only with a reviewed, substance-specific value.

Training scenario

Scenario inputs

Teaching result

Theoretical batch limit—

Theoretical limit per cm²—

Theoretical amount in swab area—

Maximum measured result at this recovery—

Calculation steps

Examine a swab result

Enter the laboratory result and the validated method’s limit of quantitation (LOQ), both as mg per swabbed area. This educational comparison does not determine product disposition.

Measured result (mg)Method limit of quantitation, LOQ (mg)

Enter a result and LOQ to examine this scenario.