Laserfiche WebLink
CROSBY & OVER 700 <br /> EnvironmenLol Management Inc. <br /> 8430 Amelia Street o Oakland,California 94621 <br /> (415)633-0336 <br /> PROCEDURES FOR 550 GALLON IdASTE OIL TANK <br /> WHICH HAS BEEN UNEARTHED <br /> -- Arrive at lccation <br /> -- Conduct safety meeting with site personnel after survey of area <br /> -- Secure area as a no smoking area (minimum of 25 feet radius from any <br /> ignition sources) <br /> -- Check quantity of material in tank <br /> �- <br /> Check tank for Lower Explosive Limit (L.E.L. ) oxygen with gastech <br /> _- Remove any free standing liquids from tank with vacuum truck, <br /> grounding both tank. and truck to common ground <br /> -�- Vacuum tank exhaust is located at least 25 feet from ignition <br /> source <br /> -� Check Lower Explosive Limit Oxygen with gastech <br /> (If Lower: Explosive Limit is 10% or lower, set up to cut: tank) <br /> If Lower Explosive Limit is above 10%, rinse tame with fresh crater <br /> (approx. 20 gallons) <br /> - � Remove rinse cater from tank, pulling vacuum from top of <br /> product trying to remove any light ends (Check ground) <br /> eO Check with gastech for Lower Explosive Limit Oxygen. (If <br /> Lover Explosive Limit is dell below 10%, set up fog: cutt-ing. <br /> if Lower Explosive Limit is above 20% inert with dry ice <br /> (20 pounds per 1000 gallons) . The period of time to inert <br /> varies between two to si:c hours. <br /> -_ Drill a 1/2 -inch hole with electric drill motor and drill <br /> to allow sawzall blade to enter tank <br /> -- Cut with sawzall a 3 foot by 3 foot access in yank <br /> -- Remove all remaining free standing liquids , (Check ground) , <br /> with vacuum truck. <br /> 24 Hour Emer?ency Response(800)821-0424 <br />