ASTM E2494 PDF

Standard Guide for Examination of Typewritten Items (Withdrawn 2017)

ASTM E2494 – Standard Guide for Examination of Typewritten Items (Withdrawn 2017)

1.1 This guide covers procedures that should be usedby forensic document examiners (Guide E 444)for examinations and comparisons involving typewritten items and related procedures.

1.2 These procedures are applicable whether the examinationand comparison is of questioned and known items or of exclusivelyquestioned items.

1.3 These procedures include evaluation of the sufficiencyof the material (questioned, or known, or both) available for examination.

1.4 Procedures are also given for taking exemplarsfrom typewriters and the proper handling of typewriters or parts oftypewriters that might be relevant.

1.5 These methods can also be applicable (in wholeor in part) to examinations of documents prepared on other impactand nonimpact printing devices.

1.6 The particular methods employed in a given casewill depend upon the nature of the material available for examination.

1.7 This guide might not cover all aspects of unusualor uncommon examinations of typewritten items.

1.8 This guide cannot replace training (Guide E 2388) or experience and should be used in conjunction with professionaljudgment.

1.9 The values stated in inch-pound units are to beregarded as standard. The values given in parentheses are mathematical conversionsto SI units that are provided for information only and are not consideredstandard.

1.10 This standard does notpurport to address all ofthe safety concerns, if any, associated with its use.It is the responsibilityof the user of this standard to establish appropriatesafety and health practicesand determine the applicability of regulatorylimitations prior to use.