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=4r N� 497 --- ` 1 ,1� � � <br /> - , CERTIFI ATE <br /> Certified Services Company Day or Night <br /> ` 255 Parr Boulevard Telephone <br /> Richmond, California 94801 (415) 235-1393 <br /> i <br /> For Erickson, Inc. Tank No (s) 4975 Location Rich and date 11--26-90 Time 9:30 a m. <br /> Visual Gastech/1314 SMpN iL� % 'I ` z <br /> Test Method Last Product <br /> This is to certify that I have personally determined that the tank(s)in the following list on conditions existing at the time the inspection herein set forth was completed and is <br /> are in accordance with the American Petroleum Institute and have found the condition issued subject to compliance with at[qualifications and instructions <br /> of each to be in accordance with its assigned designation This certificate is based <br /> Tank(s) Condition <br /> 1— G$1. Tank Safe For Fire Oxy 20.9% <br /> T.FL—Lpss than 0.1% <br /> Remarks <br /> e event of any physical or atmospheric changes affecting the gas-free condition of undersigned This permit is valid for 24 hours if no physical or atmospheric <br /> the above tanks, or if in any doubt immediately stop all hot work and contact the changes occur <br /> Standard Safety Designation Safe for Fire Means that in the compartment so designated (a) The concentration <br /> Safe for Men Means that in the compartment or space so designated (a)The oxygen of flammable materials in the atmosphere is below 10 percent of the lower explosive <br /> content of the atmosphere is at least 19 5 percent by volume, and that (b) Toxic limit and that (b) In the Judgment of the inspector, the residues are not capable of <br /> materials in the atmosphere are within permissable concentrations, and (c) In the producing a higher concentration than permitted under existing atmospheric conditions <br /> Judgment of the Inspector, the residues are not capable of producing toxic materials in the presence of fire and while maintained as directed on the Inspectors certificate, <br /> under existing atmospheric conditions while maintained as directed on the Inspector's and further (c)All adjacent spaces have either been cleaned sufficiently to prevent the <br /> certificate spread of fire,are satisfactorily inerted,or in the case of fuel tanks,have been treated as <br /> deemed necessary k the Inspector <br /> The u fdersigned representative acknowledges receipt of this certificate and understands the OndltiO s a d limitations under which it was issued <br /> 'pre entalrve Title Inspector <br /> CP58T5 <br />