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modern welding .coCORPO'mpany <br />modern 4141 N. BRAWLEY AVE. • FRESNO, CA. 93711-3988 <br />FABRICATORS OF METAL PRODUCTS <br />June 9, 1987 <br />Unocal Corporation <br />2175 North California Blvd. <br />Walnut Creek, CA 94596 <br />r� <br />Re: Certification for testing GLASTEEL tanks (P.O. 379987) for <br />service station #5417 on the following U.L. nos. J-353625 & <br />J-353626 <br />This is to certify that the entire exterior coating of the above <br />mentioned tanks has been inspected here at Modern's facility for <br />flaws and deficiencies of the coating, with our Tinker -Razor Model <br />AP/W holiday tester at 35,000 volts. The exterior coating was <br />found free of holidays. <br />A final test will be cor ucted at the jobsite by a Modern Welding <br />Company representative. A check off list below shall be completely <br />filled out prior to burial. <br />1. Fiberglass coating holiday tested at 35,000 volts <br />by: <br />2. Holidays (if any found) repaired by: <br />3. Holiday test witnessed by: <br />Signed, <br />Modern Welding Company, Inc. <br />John Sandoval <br />Quality Control Manager, Fresno plant <br />CORPORATE OFFICE: Owensboro, Kentucky (502) 685-4404 <br />TWX: (810) 536-3710 <br />PLANTS: <br />Augusta, Ga. BowlingGreen, K . Burlington, Iowa Elizabethtown, K . Fresno, Calif. Houston, Texas Madisonville, K . Newark, Ohio / Orlando, Fla. Owensboro, Ky. <br />(404) 722-3411 / (502)781-6905 y (319)754-6577/ y (502) 769-1368 / 209) 275-93531 (713)675-4211/ (502)821-35751 (614)344-9425/ (305)843-1270/ (502) 683-5323 <br />