What are the specifications for deionized water and which type of water used for the production of hand sanitizer

according to ICH and GMP Guidelines

https://www.fda.gov/media/136289/download
FDA
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Sterile water (e.g., by boiling, distillation, or other process that results in water that meets the specifications for Purified Water USP). Water should be used as quickly as possible after it is rendered sterile or purified.

USP Chapter 5041:
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