Asbestos (Chrysotile Asbestos)

Data Value
CAS Number(s) 12001-29-5
Synonyms Chrysotile Asbestos
White Asbestos
Odor Threshold: if available
DO NOT USE AS A DATA POINT TO DETERMINE OVER EXPOSURE OR NOT UNLESS SPECIFICALLY STATED
Not Applicable
Relevant Routes of Exposure
Dermal Concern: No
Dermal Local Effects: Not Typically Applicable
Dermal Systemic Effects
(affinity for being absorbed into blood stream)
No
Inhalation Concern: Yes
Chemical Specific Requirements for TSCA Reform
Regulation: 40 CFR 751 Subpart F
De Minimis Threshold:
(concentration in mixtures where Workplace Chemical Protection Program, WCPP, regulations are not applicable)
Action Level for an 8 hour time weighted average (TWA): Not Applicable
Existing Chemical Exposure Limit (ECEL) for an 8 Hour Time Weighted Average (TWA): Not Applicable
Existing Chemical Exposure Limit (ECEL) for a 15 minute Time Weighted Average (TWA) : Not Applicable
Respiratory Protection
Air Purifying Respirator (APR) and Concentration Range

*NOTE* if mist is present, use a combination cartridge consisting of a particulate P 100 + the associated chemical cartridge
Half Face APR (APF 10):
Full Face APR (APF 50):
Full Face (APF 10,000):
Pressure Demand Supplied Air Respirator
Recommended Dermal Protection Information

ALWAYS work with reputable dermal PPE manufacturers for determining recommended chemical gloves and chemical suits. Ensure that ASTM F739 and/or EN 374 are used and followed.
Acceptable Gloves:
for Splash / Intermittent Exposure or Potential for Exposure ≥ 0.3 mm
As needed for contamination control and associated hazards
Preferred Gloves:
for Continuous Exposure
Chemical Suit:
as Determined by a Site Specific Risk Assessment
As determined by site-specific risk assessment
OSHA Requirements That Still Have to Be Met In Addition to EPA Requirements
Immediately Dangerous To Life or Health (IDLH):
Table of IDLH Values
See NIOSH IDLH guidance for asbestos
OSHA Standard: Yes 29 CFR 1910.1001
Medical Surveillance: Yes: Required under OSHA Asbestos Standard when applicable

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