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TECHNOLOGY FOR TANKS <br />AND THEIR ENVIRONMENT <br />Qualificatiori <br />Procedure <br />! � H(E'V" A) SITE # -1 <br />• <br />1. If the tank product level is less than 60% or more than 90% of tan <br />capacity, <br />•a • • not test <br />without specific•',fromyourRegio <br />Quality • • <br />diameter1. Enter tank <br />2. Enter . <br />nk Top to Surface Distance (B) q � —in. <br />3. Calculate tank bottom to surface (A+B) _ (C) <br />• • •' • (91 <br />water5. Subtract .. - r bottom <br />.. <br />Calculate water head pressure at tank bottom <br />0r.. <br />7. To obtainbottom pressure • ADD - • <br />• - . the probe set•• i for steel or 1.0 for•,. • <br />1 . t <br />Totaldifferential equals • <br />If total differential (G) exceeds 4.00 psi DO NOT TEST <br />without special instructions from your Region Quality <br />Control. *Give them the line 6 bottom pressure. <br />TAK-24 (10/93) <br />fop of water table <br />Pre-test form 9/22/93 <br />