Chemistry & Environmental Dictionary
UN/NA Number
UN/NA ID (UN Number, NA Number, DOT Number)
A four digit number representing a particular chemical or group of chemicals. These numbers are assigned by the United Nations (UN Numbers), the U.S. Department of Transportation (NA Numbers), or Transport Canada (NA Numbers). These numbers are commonly used throughout the world to aid in the quick identification of the materials contained within bulk containers (such as rail cars, semi-trailers and intermodal containers).
Dictionary Navigation
Citing this page
If you need to cite this page, you can copy this text:
Kenneth Barbalace. Chemistry & Environmental Dictionary - UN/NA Number. EnvironmentalChemistry.com. 1995 - 2008. Accessed on-line: 5/9/2008
http://EnvironmentalChemistry.com/yogi/chemistry/dictionary/U02.html
.
Linking to this page
If you would like to link to this page from your website, blog, etc., copy and paste this link code (in red) and modify it to suit your needs:
<a href="http://EnvironmentalChemistry.com/yogi/chemistry/dictionary/U02.html"> Chemistry & Environmental Dictionary (EnvironmentalChemistry.com)</a> - 'Contains definitions for most chemistry, environmental and other technical terms used on EnvironmentalChemistry.com as well as many other chemistry and environmental terms.
.
NOTICE: While linking to articles is encouraged, OUR ARTICLES MAY NOT BE COPIED TO OR REPUBLISHED ON ANOTHER WEBSITE UNDER ANY CIRCUMSTANCES.
PLEASE, if you like an article we published simply link to it on our website do not republish it.
Career Listings
Please Link to Us
If you find this page useful or informative, please link to or tell others about it.
Featured Articles
Environmental Issues
- Consumer Health & Food Safety Concerns
- ADA Recommendation for Fluoride in Infant Diets
- Asbestos
- Dry-Cleaning Chemicals
- DuPont's Teflon Cover-up
- Neurodevelopmental Disorders in Children: Autism & ADHD
- PCBs in the food you love
- Seafood
- Energy
- Environmental Disasters
- Global Warming
- Politics and Policy
- Pollution - Air
- Pollution - Water
- Sustainability
- Waste & Recycling
Chemistry
Hazardous Materials
Educators
This website is a great teaching resource!! Pages are printer friendly, making them easy to use as classroom handouts.
Notes about using this site in the classroom.
Writers Wanted!
NO REPUBLISHING IN ANY FORM (including on other websites), in whole or in part, for any reason, without written permission.
Copyright violations WILL BE DETECTED and will be pursued under the Digital Millennium Copyright Act.
A few words about Plagiarism, Copyright Infringement and Fair Use
Printed from http://EnvironmentalChemistry.com