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N 6 0 9 3 <br />For: Erickson, Inc. <br />Test Method: <br />11 <br />Tank No.(s.) <br />Visual Castech/1314 SMPN <br />• • <br />CERTIFICATE <br />Certified Services Company Day or Night <br />255 Parr Boulevard Telephone <br />Richmond, California 94801 (415) 235-1393 <br />6093 Richmond 04-25-91 8:00 a.m. <br />Location: Date: Time: <br />j� � r� <br />Last Product: t/ <br />This is to certify that I have personally determined that the tanks) in the following list <br />are in accordance with the American Petroleum Institute and have found the condition <br />of each to be in accordance with its assigned designation. This certificate is based <br />on conditions existing at the time the inspection herein set forth was completed and is <br />issued subject to compliance with all qualifications and instructions. <br />Tank(s) <br />Condition <br />Cal. Tank <br />Sale For. Fire —Oxy <br />LEL-LESS THAN 0.1 <br />Remarks <br />In the event of any physical or atmospheric changes affecting the gas -free condition of <br />the above tanks, or if in any doubt immediately stop all hot work and contact the <br />Standard Safety Designation: <br />Safe for Men: Means that in the compar tment or space so designated (a) The oxygen <br />content of the atmosphere is at least 19.5 percent by volume; and that (b) Toxic <br />materials in the atmosphere are within permissable concentrations; and (c) In the <br />judgment of the Inspector, the residues are not capable of producing toxic materials <br />under existing atmospheric conditions while maintained as directed on the Inspector's <br />certificate. <br />Representative <br />undersigned. This permit is valid for 24 hours if no physical or atmosphenk. <br />changes occur. <br />Safe for Fire: Means that in the compartment so designated (a) The concentration <br />of flammable materials in the atmosphere is below 10 percent of the lower explosive <br />limit; and that (b) In the judgment of the Inspector, the residues are not capable of <br />producing a higher concentration than permitted under existing atmospheric conditions <br />in the presence of fire and while maintained as directed on the Inspector's certificate, <br />and further, (c) All adjacent spaces have either been cleaned sufficiently to prevent the <br />spread of fire, are satisfactorily inerted, or in the case of fuel tanks, have been treated as <br />deemed necessary by the Inspector. <br />undersigned representative acknowledges receipt of this certificate and understands theAonditions and limitations under which it was issued. <br />Title <br />Inspector <br />