This standard addresses process descriptions@ process validation@ cleanliness control and monitoring@ recontamination prevention@ quality assurance as follows: PROCESSES DESCRIPTIONS@ including ?? Detergent cleaning ?? Alcohol cleaning ?? Ultrapure water cleaning ?? Liquid boundary layer disruption cleaning ?? Multiple solvent cleaning (JPL procedure) ?? Vacuum bakeout ?? Supercritical fluids cleaning ?? Carbon dioxide snow cleaning ?? Plasma cleaning ?? Pyrolysis ?? Criteria for selecting other ovel processes PROCESS VALIDATION ?? Test material selection ?? Preparation of test materials for process application ?? Deposition of contaminants ?? Description of test conditions ?? Verification of cleanliness level CLEANLINESS CONTROL AND MONITORING@ including ?? Micro ano imaging techniques ?? Spectrometry techniques ?? Spectroscopy techniques ?? Chromatography techniques RECONTAMINATION PREVENTION ?? Packaging systems ?? Protective covers ?? Storage QUALITY ASSURANCE This standard may be tailored for the specific characteristic and constrains of a space project in conformance with ECSS-S-ST-00.