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THIS MINING PROCESS INCLUDES EXPOSURES TO "RADON ", A KNOWN <br />LUNG CARCINOGEN. <br />NIOSH IN THE REGISTRY OF TOXIC EFFECTS OF CHEMICAL SUBSTANCES <br />(RTECS) LISTS IRON OXIDE AS A SUSPECT HUMAN CARCINOGEN. <br />HOWEVER THE IARC REFERENCE IS MADE FOR UNDERGROUND HEMATITE <br />MINING. BASED ON INFORMATION CURRENTLY AVAILABLE, THIS <br />PRODUCT IS NOT CONSIDERED TO BE CARCINOGEN. <br />OSHA: OCCUPATIONAL SAFETY & HEALTH ADMINIS 1RATION; TSCA: E.P.A. <br />TOXIC SUBSTANCES CONTROL ACT; CERCLA: COMPREHENSIVE <br />ENVIRONMENTAL RESPOSE COMPENSATION AND LIABILITY ACT; NTP: <br />NATIONAL TOXICOLOGY PROGRAM; IARC: INTERNATION AGENCY FOR <br />RESEARCH ON CANCER; ACGIH: AMERICAN CONFERENCE OF <br />GOVERNMENTAL INDUSTRIAL HYGIENISTS; RCRA: RESOURCE <br />CONSERVATION AND RECOVERY ACT — R.E.P.A <br />SECTION III — PHYSICAL DATA <br />APPEARANCE /ODOR: Black Powder /Odorless <br />BOILING POINT: Not Applicable <br />BULK DENSITY: 600 -800 KG/M3 @ 68 F (20 C) <br />EVAPORATION RATE: Not Applicable <br />FREEZING POINT: Not Applicable <br />METLING POINT: 1594 C <br />PH: 4 — 8 @ 50 G/L Water In Aqueous Suspension <br />SPECIFIC GRAVITY: Approx 5 <br />SOLUBILITY IN WATER: Slight <br />VAPOR DENSITY: N/A <br />VAPOR PRESSURE: N/A <br />MOLECULAR WEIGHT: 231.53 <br />SECTION IV — FIRE & EXPLOSION HAZARD DATA <br />NFPA HAZARD CLASSIFICATION: Health Hazard: 0 Fire Hazard: 0 Reactivity: 0 <br />FLASH POINT: NOT APPLICABLE <br />FLAMMABILITY LIMITS IN AIR BY VOLUME: NOT APPLICABLE <br />FLAMMABILITY CLASSIFICATION: NOT APPLICABLE <br />D.O.T. CLASSIFICATION: NOT REGULATED; NOT FLAMMABLE <br />EXTINGUISHING MEDIA: USE APPROPRIATE EXTINGUISHING MEDIA FOR <br />THE COMBUSTIBLE MATERIAL INVOLVED IN THE FIRE. <br />SPECIAL FIREFIGHTING PROCEDURES: FIREFIGHTERS SHOULD WEAR <br />SELF - CONTAIND BREATHING APPARATUS. <br />