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03/19/2009 14:02 5102353709 ECI RICh.WND PAGE 03/05 <br /> CERTIFICATE <br /> CERTIFIED SERVICES COMPANY <br /> 255 Parr Boulevard Richmond,Callfomla 94801 <br /> Phone 0 510-235-1393 I <br /> CUSTOMER:WALTON ENGINEERING JOB NO:52 <br /> T3367 <br /> I <br /> GENERATOR' DALWINDER OHOOT <br /> 15688$ HARLAN RD LATHROP CA 95330 <br /> FOR:ECOLOGY CONTROL INDUSTRIES TANK NO.; 33447 <br /> LOCATION:RICHMOND DATE: 04/30/07 <br /> LAST PRODUCT: UNLEADED GAS TEST METHOD;VISUAL GASTECHl1314 SMPN <br /> This is to certify that I have personally determined,-x t^is is In accordance with the American Petroleum Institute and !!! <br /> have found the condition to ba in accordance with its assigned designation. This certificate Is based on conditions 1 <br /> existing at the time the inspection herein set forth was completed and is issued subject to compliance with all I <br /> qualifications and instructions. <br /> TANK SIZE., 500 GALLONS CONDITION:SAFE FOR FIRE <br /> REMARKS: <br /> OXYGEN 20,1%LOWER EXPLOSIVE LIMIT LESS THAN 0.1%ECOLOGY CONTROL INDUSTRIES <br /> HEREBY CERTIFIES THAT THE ABOVE NUMBERED TANK HAS BEEN CUT OPEN,PROCESSED <br /> AND THEREFORE DESTROYED AT OUR PERMITTED HAZARDOUS WASTE FACILITY. <br /> ECOLOGY CONTROL INDUSTRIES HAS THE APPROPRIATE PERMITS FOR AND HAS ACCEPTED <br /> THE TANK SHIPPED TO US FOR PROCESSING. <br /> In the event of any physical or atmospheric changes affecting the gas-free conditions of the above tanks, or it in any <br /> doubt, immediately stop all hot work and contact the undersigned. This permit is valid for 24 hours if no physical or <br /> atmospheric changes occur. <br /> STANDARD SAFETY DESIGNATION <br /> SAFE FOR MEN: Means that in the compartmentor space so designated (a)The oxygen Content of the atmosphere Is <br /> at least 19.5 portent by volume;and that(b)Toxic materials in the atmosphere are within permissible concentrations; <br /> and(c;In the judgment of the Inspectors Certificate. <br /> SAFE FOR FIRE: Means that in the compartment so designated(a)The concentration of flammable materials in the <br /> atmosphere is bei 10 percent of the lower explosive limit,and that(b)in the judgment of the Inspector,the residues <br /> are not capable of producing a higher concentration that permitted under existing atmospheric conditions in the <br /> presence of fire and while maintained as directed on the Inspector's certificate, and further,(c)All adjacent spaces <br /> have either been cleaned sufficiently to prevent the spread of fire,are satisfactorily inerted, or in the case of fuel tanks, <br /> have been treated as deemed necessary by the Inspector. <br /> The undersigned representative acknowledges receipt of this certificate and understands the Conditions and limitations <br /> under which It was Issued. <br /> rygr"`neaen r n i rvtTITLEdid <br /> e~ <br /> V INS CTOR <br />