ANSI/ASB Standard 128
Standard for the Preservation and Examination of Liquid Soaked Documents
This document establishes the minimum required procedures used by Forensic Document Examiners (FDEs) in the preservation of, examination of, and reporting on liquid soaked documents. This generally includes the examination of documents exposed to liquids (water, blood, oils etc.) for content (writing, printing), material (paper, cardboard, plastic etc.), and source determination. This standard does not include the examination of documents for the identification of the liquid contaminate(s).