MILD STEEL AND LOW ALLOY COVERED ELECTRODES

Hazardous Ingredients

IMPORTANT: This section covers the materials from which these products are manufactured. The term HAZARDOUS should be

WHMIS Classification

Class D, Division 2, Subdivision A ACGIH TLV OSHA-PEL Material (CAS No.) SARA TWA (mg/m3) STEL (mg/m3) Aluminum Oxide (Al203) (1344-28-1) 10 5 (Respirable) Calcium Carbonate (CaCO3) (1317-65-3) 10 5 (Respirable Fraction) Calcium Oxide (Ca0) (1305-78-8) Cellulose (9004-34-6) 10 5 (Respirable Fraction) Chromium Compounds (7440-47-3) 0.5 (Metal) SEE NOTE (4) BELOW 0.05 (Water Soluble Cr(VI)) 1 (Metal) 0.01 (Insoluble Cr(VI)) C 0.1 (as Chromate) Fluorspar (CaF2) (7789-75-5) 2.5 (as F) Graphite (C) (7782-42-5) 2 (Respirable Dust) 2.5 (Respirable Fraction) Iron (Fe) (7439-89-6) 5 (Oxide Fume) 10 (Total Particulate) Iron Carbonate (FeCO3) (Not Est.) 5 (Oxide Fume) 10 (Total Particulate) Magnesite (MgCO3) (546-93-0) 10 5 (Respirable Fraction) Manganese (Mn) (7439-96-5) 0.2 (Fume) C 5 ( STEL) 1 (Fume) Mill Scale (Ferrous metal) (65996-74-9) 5 (Iron Oxide Fume) 10 (Total Particulate) Mineral Silicates, SEE NOTE (5) BELOW Bentonite Clays (1302-78-9) Chlorite (14808-60-7) Feldspar (14808-60-7) Hectorite (14808-60-7) Pyrropholite (14808-60-7) Wollanstanite (14808-60-7) Zircon (14808-60-7) Molybdenum (Mo), (7439-98-7) 10 (Inhalable Fraction) Not listed Not listed5 Insoluble Compounds as Mo 3 (Respirable Fraction) 0.1 (Soluble) Soluble Compounds as Mo 0.5 (Respirable Fraction) Nickel (Ni) (7440-02-0) 1.5 (Inhalable Fraction, elemental) 0.2 (Inhalable insoluble inorganic compounds) 0.1 (Inhalable soluble inorganic 5 (Respirable Fraction) compounds) Potassium Titanate (12030-97-6) 10 (Nuisance Particulate) 0.05 (Respirable Dust) (K2TiO3) Silica, Use Quartz Formula (14808-60-7) 0.1 5 (Respirable) (Si02) Silicate Binder 10 (Na20[Si02]a)aq (1344-09-8) (Ka20[Si02]q)aq (1312-76-1) 5 (Respirable) Silicon (Si) (7440-21-3) 10 (Dust) Titanium Dioxide (Ti02) (13463-67-7) 10 (Dust) 5 (Respirable) NOTE: (1) Some of these products may not contain all of the materials listed. For details of composition, refer to the COMPOSITION TABLES. (2) In the ingredients table, an asterisk (*) after the CAS number indicates a toxic chemical subject to the reporting requirements of Section 313 of the Emergency Planning and Community Right-To-Know Act of 1986 (SARA) and 40 CFR Part 372. (3) In the table above, when "C" appears with an exposure number, the "C" indicates a "Ceiling Limit"; the number is the concentration that should not be exceeded during any part of the working exposure.