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Chemical Sampling Information (CSI)
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General Description

Synonyms: HMTA

OSHA IMIS Code Number: 1378

Chemical Abstracts Service (CAS) Registry Number: 100-97-0

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: MN4725000; 39409

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 microns in series with midget impinger containing 10 mL deionized water
    maximum volume: 15 Liters
    maximum flow rate: 1.5 L/min
    current analytical method: Gas Chromatography; GC/NPD
    method reference: 1, 2 (OSHA Modified NIOSH 263)
    method classification: Partially Validated
    note: After sampling transfer the filter and contents of the midget impinger to the same small glass bottle.
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