NAME: Mica

SYNONYM(s): Muscovite; Amber mica; Roscoelite; Lipidolite; Phlogopite; Biotite Zinnwaldite; Fluorophlogopite; Margarite

IMIS: 9075

CAS: 12001-26-2

NIOSH: RTECS VV8760000

DESCRIPTION:

Colorless, odorless flakes or sheets with <1% quartz.
MW: 797
VP: approx. 0 mm

INCOM: None

OSHA GENERAL INDUSTRY PEL: 20 mppcf (Silicates) (Z-3)

OSHA CONSTRUCTION INDUSTRY PEL: 20 mppcf (Mineral Dusts Table)

ACGIH TLV: 3 mg/m3 TWA; The value is for particulate matter containing no asbestos and <1% crystalline silica. (Respirable fraction)

NIOSH REL: 3 mg/m3 TWA

SYMPTOM(s): Pneumoconiosis, coughing, dyspnea; weakness; weight loss

HEALTH EFFECTS: Accumulation in lungs (Pneumoconiosis) (HE10)

ORGAN: Lungs

PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):

MEDIA: Tared Low Ash Polyvinyl Chloride (LAPVC) filter 5 microns preceded by 10 mm Nylon Cyclone
MAX V: 960 Liters   MAX F: 2.0 L/min
ANL 1: Gravimetric Analysis
REF: 11, 12
SAE: 0.10
CLASS: Fully Validated
NOTE: If the gross weight of the sample yields a concentration below the standard for the air contaminate, do not submit sample to SLTC for analysis.
ANL A: X-ray Diffraction
REF: 2 (OSHA ID-142)
SAE: 0.19
CLASS: Fully Validated
NOTE: Submit bulk sample in separate mailing container at time air samples are submitted. Indicate on sample sheet that a bulk sample has been submitted. Analysis is for Quartz.