collapse collapse

* Links

* Forum Menu

* User Info

 
 
Welcome, Guest. Please login or register.

* Who's Online

  • Dot Guests: 55
  • Dot Hidden: 0
  • Dot Users: 0

There aren't any users online.

* Board Stats

  • stats Total Members: 2188
  • stats Total Posts: 79415
  • stats Total Topics: 13633
  • stats Total Categories: 5
  • stats Total Boards: 62
  • stats Most Online: 721

* Search



Author Topic: Resemblance of primer residues to benign particles  (Read 7265 times)

0 Members and 1 Guest are viewing this topic.

Offline afss

  • AFTE Friend
  • Posts: 87
  • Gender: Male
  • If you have to shoot, shoot! Don't talk!
    • LNE - Advance Forensic Science Services
Resemblance of primer residues to benign particles
« on: October 06, 2013, 03:17:14 PM »
I read in some articles that there are brake pads that shed particles resembled to primer's GSR particles, meaning, containing Lead, Barium and Antimony (PbSbBa).
I would like to get some information about the differences between the two types.
Thank you.
Talk softly and cary a big gun!

Offline Bob Shem

  • Global Moderator
  • *****
  • Posts: 3317
  • Gender: Male
Re: Resemblance of primer residues to benign particles
« Reply #1 on: October 07, 2013, 11:24:36 AM »
My co-worker, John Giacalone (pronounced Jack A Loney) is well versed in this.  He had presented and researched the whole brake pad thing.  You can call him at the lab 907 269-5740 or email john.giacalone@alaska.gov.
Robert J. Shem, 4900 Buckingham Way., Anchorage, AK  99503, ph 907 952-2254, bobshem@alaskan.com

Offline afss

  • AFTE Friend
  • Posts: 87
  • Gender: Male
  • If you have to shoot, shoot! Don't talk!
    • LNE - Advance Forensic Science Services
Re: Resemblance of primer residues to benign particles
« Reply #2 on: October 07, 2013, 11:33:39 AM »
Thank you Bob, I e0mailed him the question.
Talk softly and cary a big gun!

 

Countdown Clock

* Recent Posts

Re: Is there a name for this type of breechface? by Chris Monturo
[September 22, 2022, 01:58:10 PM]


Re: Is there a name for this type of breechface? by Mike Beddow
[September 22, 2022, 01:30:11 PM]


Re: Is there a name for this type of breechface? by Christi Bonar
[September 22, 2022, 12:59:13 PM]


Re: Is there a name for this type of breechface? by Emily Bagwell
[September 22, 2022, 09:12:09 AM]


Zip Gun from Paintball Frame by kgarrison
[September 21, 2022, 12:39:03 PM]


Re: Looking for old IWBA Journal article by Humpy
[September 21, 2022, 11:54:14 AM]


Re: Is there a name for this type of breechface? by Sean Daniel
[September 21, 2022, 09:20:43 AM]


Re: Looking for old IWBA Journal article by Robert Thompson
[September 21, 2022, 08:47:11 AM]


Re: Is there a name for this type of breechface? by Bob Kennington
[September 20, 2022, 07:49:20 PM]


Illinois State Police Laboratory Director, Decatur, IL by Bill Demuth
[September 20, 2022, 10:44:29 AM]


2027 Training Seminar Proposals by Dan Alessio
[September 19, 2022, 09:34:25 AM]


Re: Is there a name for this type of breechface? by Charles Clow
[September 15, 2022, 09:20:57 AM]


Re: Is there a name for this type of breechface? by Adam Grooms
[September 14, 2022, 02:43:12 PM]


Re: Is there a name for this type of breechface? by Shandra Lynch
[September 14, 2022, 09:06:54 AM]


Re: Is there a name for this type of breechface? by Chris Monturo
[September 13, 2022, 07:23:32 PM]

* Headstamp Guide

SimplePortal 2.3.5 © 2008-2012, SimplePortal