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Category Asbestos Lab Services
Test PCM NIOSH 7400

Asbestos and Other Fibers by PCM


  • This analysis is used primarily for estimating asbestos concentrations in air. 
  • It is used to show compliance with limits set by NIOSH, OSHA, and other regulatory agencies for area samples as well as for personnel monitoring. 
  •  Fibers less than approximately 0.25 microns in diameter will not be detected with this method.
  •  The method can also be used to estimate the airborne concentration of other, non asbestos materials as well.
  • The NIOSH 7400 method is often used in conjunction with electron microscopy methods such as the NIOSH 7402 method to aid in fiber identification. 
  • Sample retention time is 60 days    
CAS Number 67-64-1
Test Type Single
Test Prefix
Test Acetone
Synonym(s) Dimethyl Ketone
Method NIOSH 1300
Matrices Badge
Group Package
Cinnaminson New Jersey - Corporate Lab (IH LAB 28) X
Huntington Beach California (LAB 33) X
Indianapolis Indiana (LAB 16) X
Charlotte (Pineville) North Carolina (LAB 41) X
Minneapolis (New Hope) Minnesota (LAB 10)
Toronto Ontario Canada (LAB 55) X
Chromotography Type / Detector GC-FID
OSHA PEL or Other Value in mg/m3 2375
OSHA PEL or Other Value in µg/m3 2375000
OSHA PEL or Other Value in ppm 999.81
OSHA or Most Relevant OEL Notes 1000 ppm OSHA PEL TWA 250 ppm NIOSH REL TWA 250 ppm ACGIH TLV TWA 500 ppm ACGIH STEL 500 ppm CalOSHA PEL TWA 750 ppm CalOSHA STEL 3000 ppm CalOSHA Ceiling
Sampling Instructions / Interferences Routine Interferences: None identified
Method link
Molecular Weight - grams/mol 58.08
Reporting Limits (Field Blank Limit) ug/sample 7.8
LOQ (ug/sample based on media)/sample 7.8
Default Reporting Units ppm

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