Informal Request for ATI Records Previously Released

Organization: Canada Border Services Agency

Year: 2022

Month: February

Request Number: A-2022-03102

Request Summary: Records from February 4, 2017 to February 4, 2022, concerning ink dating analysis relating to the solvent loss ratio method of ink dating documents, including an ink aging curve used to determine the relative age of ink using gas chromatography mass spectrometry. Additionally, any internal reports generated concerning the science behind this curve.

Disposition: All disclosed

Number of pages: 175

Date modified: