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Page 12 <br /> F 02 DEFICIENCY- CONFINED SPACE HAZARDS <br /> Confined spaces include trenches, pits, sumps, elevator shafts, tunnels, or any other area where <br /> circulation of fresh air is restricted or ability to readily escape from an area is restricted. <br /> Safety policy and procedure must be consulted prior to entering a confined space <br /> NE Obtain permit for confined space entry <br /> Monitor 02 and organic vapors before entering. If following values are <br /> exceeded, do not enter <br /> ♦ 02 less than 19.5% or greater than 23% <br /> ♦ Total hydrocarbons greater than 5 ppm above background, if all air <br /> contaminants have not been identified. <br /> ♦ Concentrations of specific contaminants exceeding action level in Section IV <br /> if all air contaminants identified. <br /> Monitor 02 and organic vapors continuously while inside confined space. If values <br /> cited above are exceeded, evacuate immediately. Record instrument readings. <br /> At least one person must be on standby outside the confined space who is <br /> capable of pulling workers from the confined space in an emergency. Standby <br /> person must not enter unless there is another standby person. <br /> Use portable fans or blowers to introduce fresh air to confined spaces whenever <br /> use of respiratory protection is required <br /> Work involving the use of flame, arc, spark, or other source of ignition is <br /> prohibited within a confined space <br /> G. RADIATION HAZARDS <br /> NE If radiation meter indicates 2 mR/hr or more, leave the area and consult the SSO <br /> H. BIOHAZARDS <br /> Poison oak, poison ivy <br /> Infectious waste <br /> Rabid animals <br /> 1 Ticks, mosquitoes, and other insects (disease carriers or poisonous) Avoid <br /> breathing dust in dry desert or central valley areas (valley fever) <br /> i <br /> NE = NOT EXPECTED <br /> Parker Environmental Services, 190 East 7th Street, Pittsburg, CA 94565-2317 <br /> Phone (510) 439-1024 Fax (510) 439-2566 <br />