NAME: Cotton Dust (Raw)
IMIS: 0735
NIOSH: RTECS GN2275000
DESCRIPTION:
Colorless, odorless solid.
INCOM: Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
Lung Injury 29 CFR 1910.1043;
TWA 200 ug/m3, AL 100 ug/m3 - Yarn & washing;
TWA 500 ug/m3, AL 250 ug/m3 - Waste house;
TWA 750 ug/m3, AL 375 ug/m3 - Slashing & weaving;
TWA 1000 ug/m3 Other
OSHA CONSTRUCTION INDUSTRY PEL: 1 mg/m3 TWA 1910.1043 The standard of 1 mg/m3 applies in cotton yarn manufacturing until compliance with 1910.1043 is achieved. (Note 7)
ACGIH TLV: 0.2 mg/m3 TWA; Lint-free particulate matter as measured by the vertical elutriator cottondust sampler described in the Transactions of the National Conference on Cotton Dust, p. 33, by J.R. Lynch (May 2, 1970)
Health Factors
SYMPTOM(s): Tight chest, coughing, wheezing, dyspnea, decreased FEV, bronchitis; malaise; fever, chills; upper respiratory tract symptoms after initial exposure
HEALTH EFFECTS: Asthma (HE9); Cumulative lung damage (Bysinosis) (HE10)
ORGAN: Respiratory system, CVS
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA: 37 mm Polyvinyl Chloride (PVC) Filter 5.0 micron vertical elutriator (spark-free) Tared (VM-1 or equivalent)
MAX V: 2664 Liters MAX F: 7.4 L/min
ANL 1: Field Gravimetric Method
REF: 15 (Appendix A 29 CFR 1910.1043)
SAE: 0.25
CLASS: Fully Validated
NOTE: If sample weight exceeds PEL in slashing/weaving, sample may be submitted for oil mist analysis. In order to avoid filter overloading, sampling time may be shortened when sampling in dusty areas.
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