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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: A257

Chemical Abstracts Service (CAS) Registry Number: 37293-45-1

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    maximum volume: 200 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U
    method reference: 2 (OSHA In-house File)
    method classification: Not Validated

Conditions: Mobile phase extraction; C18 column; 73% methanol 27% water, PIC A 1 mL/min; UV det: 254, 280; 3 ug/sample; ext. eff. 96%

Wipe Sampling Method:

  • sampling media: Glass Fiber Filter (HPLC/UV)

Bulk Method:

  • For any dye analysis, a bulk sample of the dye must be sent to the Salt Lake Technical Center. Limit the amount of bulk submitted to one gram or approx. one mL.

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