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WESTERN METER SERVICE, INC. <br /> January 17 , 1991 <br /> MAR 04 1991 <br /> ENVIR <br /> RM IS <br /> San Joaquin PHS/EHS PERMIT/SE, ICEALTH <br /> 445 N. San Joaquin Street <br /> Stockton, CA 95205 <br /> RE: Kingdon Air Park <br /> 12145 N. DeVries Road <br /> Lodi , CA 95242 <br /> According to our supplier of steel pipe : Steel pipe do not come <br /> with a "UL" rating. There are several equivalent testing <br /> laboratories . Among them are :ASTM, CSA, Independent Testing <br /> Labs . <br /> Steel Pipe is made with an ASTM rating "A-120/A53A" , for both <br /> galvanized and black iron. <br /> I do not believe it is the policy of the State of California to <br /> make all products be tested by one (1) laboratory. Equivalence <br /> must be considered. <br /> Another point: None of the steel pipe involved in the Kingdon <br /> Air Park installation will be under pressure . The internal co- <br /> axial pipe (1-1/2" ) is a suction pipe. The external 4" pipe is <br /> installed to provide a double wall . Both pieces will be ap- <br /> proximately 4 ' long, rising vertically from the tank to the dis- <br /> penser. <br /> WESTERN METER SERVICE, INC . <br /> 63 <br /> Burl DuBose <br /> General Manager <br /> 2735 TEEPEE DR.. STE. E 0 STOCKTON. CA 95205 • (209) 948-6124 <br />