Listed in Section 2 under Class

SECTION 2: Hazards identification

D Carcinogen: EPA-D Sulfur 7704-34-9 NE Carbon 7440-44-0 10 NE 50 mppcf or 15 NE DFG MAKs: (exposure limits are for (Inhalable) (Total Dust) TWA = 4 (Inhalable fraction); 1.5 Particles Not Otherwise 15 mppcf or 5 (Respirable Fraction) Specified) (Respirabl (Respirable Fraction) Copper 7440-50-8 0.2 (fume) NE 0.1 (fume) NE 100 NIOSH REL: (exposure limits are for 1 (dusts & 1 (dusts & mists) TWA = 0.1 “Copper fume, as Cu”) mists) DFG MAK: TWA = 0.1 (Inhalable Fraction) PEAK = 2MAK 30 min., average value Carcinogen: EPA-D NE = Not Established. mppcf = Millions of Particles Per Cubic Foot See Section 16 for Definitions of Terms Used. NOTE (1): The ACGIH has an established exposure limit for Welding Fumes, Not Otherwise Classified. The Threshold Limit Value is 5 mg/m 3. NIOSH classifies welding fumes as carcinogens. Single values shown are maximum, unless otherwise noted.