navmc dir 5100.8 marine corps occupational safety and ... - US Navy

MARCOR OSH PROGRAM MANUALa. A flash point below 200 0 F (93.3 0 C) closed cup, subject tospontaneous heating, or subject to polymerization with releaseof large amounts of energy when handled, stored, and shippedwithout adequate control.b. Has a Threshold Limit Value R equal to or below 1,000 ppmfor gases and vapors, below 500 mg/m 3 for fumes, and equal to orbelow 30 million particles per cubic foot (mppcf) or 10 mg/m 3 fordusts (equal to or below 2.0 fibers/cc, greater than 5micrometers long for fibrous materials).c. A single oral dose which will cause 50 percentfatalities to test animals when administered in doses of lessthan 500 mg/kg of test animal weight.d. Is a flammable solid or a strong oxidizing or reducingagent.e. Causes first degree burns to skin after a short timeexposure or is systematically toxic through skin contact.f. In the course of normal operations, may produce dusts,gases, fumes, vapors, mists, or smokes that have one or more ofthe above characteristics.g. Produces sensitizing or irritating effects.h. Is radioactive.i. Has special characteristics, which in the opinion of themanufacturer could cause harm to personnel if used or storedimproperly.j. Is regulated under 29 CFR 1910, 49 CFR 171-179, or 40CFR.16. Hot Tap. A procedure used in repair, maintenance andservicing activities that involves welding on a piece ofequipment (pipelines, vessels or tanks) under pressure in orderto install connections of apparatuses. It is commonly used toreplace or add sections of pipeline without interruption ofservice for air, gas, steam, and petrochemical distributionsystems.B-3