- About
-
-
- About
-
ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
-
-
- Subscriptions
-
-
-
Get valuable benefits that are vital to your health and safety as an occupational, environmental, health, and safety worker.
-
-
- Science
-
-
- Science
-
This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
-
-
- Career Development
-
-
- Career Development
-
ACGIH is committed to providing its members and other occupational and environmental health professionals with the training and education they need to excel in their profession.
-
-
- Publications
-
-
- Publications
-
ACGIH has publications in many different areas that fit your needs in your field.
-
- Publications Store
- ACGIH Signature Publications
ACGIH Digital Library
If you need to purchase the Digital Library, click here.
If you have purchased and need to access the Digital Library, click here.
-
-
ASBESTOS, ALL FORMS
ASBESTOS, ALL FORMS
CAS number: 1332-21-4
ACTINOLITE
CAS number: 77536-66-4
AMOSITE
CAS number: 12172-73-5
ANTHOPHYLLITE
CAS number: 77536-67-5
CHRYSOTILE
CAS number: 132207-32-0
CROCIDOLITE
CAS number: 12001-28-4
TREMOLITE
CAS number: 77536-68-6
______
*Fibers longer than 5 μm and with an aspect ratio ≥ 3:1, as determined by the membrane filter method at 400 to 450 times magnification (4-mm objective), using phase-contrast illumination.
To view TLV and Documentation, you must be logged in as an ACGIH member or have previously purchased the documentation.