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Synonyms: Sulfuric Acid, Calcium Salt (1:1); Crysalba; Drierite; Gibs; Thiolite
white odorless powder or crystals, slightly soluble in water
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 mg/m3 TWA; The value is for particulate matter containing no asbestos and <1% crystalline silica.
Primary Laboratory Sampling/Analytical Method (SLC1):
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