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Chemical Sampling Information (CSI)
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General Description

Synonyms: NDS

OSHA IMIS Code Number: G100

Chemical Abstracts Service (CAS) Registry Number: 7782-42-5

Chemical Description and Physical Properties:

solid

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 mg/m3 TWA (Respirable fraction)

Health Factors

Health Effects: Nuisance particulate (Accumulation in Lungs) (HE19) IC_CAS_NUMBEL107782-42-5S

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

    sampling media: Tared Low Ash Polyvinyl Chloride (LAPVC) 5 microns preceded by 10 mm Nylon Cyclone
    maximum volume: 816 Liters
    maximum flow rate: 1.7 L/min
    current analytical method: Gravimetric
    method reference: 11, 12
    sampling and analytical error: 0.10
    method classification: Fully Validated
    note: Field method; do not submit sample to the Salt Lake Technical Center. When standard is the same as for inert dust, noncompliance can be based on gross weight without analysis. If the filter is not overloaded, samples may be collected up to an 8-hour period.

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