Laserfiche WebLink
During a normal low level test, the product level in the tank is <br /> located about one inch into the tank's fill pipe and has a sur- <br /> face area ranging from about 3 to 12 square inches. This small <br /> surface area is necessary to obtain an accurate calibration of <br /> the observed leak rate during a low level test. Since the tanks <br /> lack standard fill pipes , the product surface area would be <br /> controlled by the area of the access openings. In the case of <br /> the smaller tanks, these large surface areas may not allow for an <br /> accurate calibration and could result in an accuracy that may not <br /> comply with the .05 gallon per hour or less criteria set by <br /> Title 23 for precision tank test accuracy. <br /> 3 <br />