You must use adequate laboratory facilities to perform whatever testing and examinations are necessary to determine that specifications are met
SOP and report form for the melting point determination of solid and semi-solid samples by Quality Control according to USP <741> and EP 2
or holding of a drug product shall be maintained in a clean and sanitary condition
You must provide water that is safe and sanitary
specifications and testing
10.5 - Laboratory Physical and Chemical Testing 211.65 You must use adequate laboratoryWet chemistry requirements of the Quality Control (QC) Laboratory with respect to written procedures and specifications, equipment, calibration, sampling, reagents, standards, and glassware, in order to perform USP, EP or other recognised test methods, or validated in house methods