NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

The Organization of Scientific Area Committees for Forensic Science

Forensic Science Standards Library

OSAC 2022-S-0023 Standard Practice for the Forensic Analysis of Explosives by Polarized Light Microscopy

This standard is archived.

Date added to the archive
Archival Reason

First added to the OSAC Registry: July 5, 2023. Replaced on the Registry by ANSI/ASTM E3423-24 Standard Guide for Forensic Analysis of Explosives By Polarized Light Microscopy

Superceded by
ANSI/ASTM E3423-24 Standard Guide for Forensic Analysis of Explosives by Polarized Light Microscopy
Was this page helpful?