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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 0373

Chemical Abstracts Service (CAS) Registry Number: 2429-73-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: QJ6158000; 50639

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    analytical solvent: Methanol/Water (55/45) and PIC-A
    maximum volume: 100 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV/VIS
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated

Conditions: Extraction with mobile phase; Zorbax ODS; 55% methanol 45% water; 0.005 M TBAP; 1.1 mL/min; UV det: 546, 436; Retention time, 20 min DL 8.7 ng/inj; extraction eff. 100%; C/P JML 8/82

Wipe Sampling Method:

  • sampling media: Glass Fiber Filter

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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