Laserfiche WebLink
( ) yes IID <br />18. Can a tdst be performed with trapped vapor in the pipeline? <br />(X) yes* ( ) no * Trapped vapor must not exceed 110 ml <br />19. If trapped vapor is found in the pipeline, is it removed before a test is performed? <br />( ) <br />yes (X) no <br />20. Are deviations from this protocol acceptable? <br />( ) <br />yes no <br />If yes, briefly specify: <br />21. Are elements of the test procedure determined by on-site personnel? <br />( ) <br />yes (X) no <br />If yes, which ones? (Check all applicable responses.) <br />( } waiting period between filling the tank and the beginning of data collection for the test <br />( } length of test <br />( ) determination of the presence of vapor packets <br />( ) determination of "outlier" (or anomalous) data that may be discarded <br />( ) other (Describe briefly.) <br />22. How are the test data acquired and recorded? <br />( ) manually <br />( ) by strip chart <br />( } by computer <br />(I� by microprocessor <br />23. Certain calculations are necessary to reduce and analyze the data. How are these <br />calculations done? <br />( } manual calculations by the operator on site <br />( ) interactive computer program used by the operator <br />( ) automatically done with a computer program <br />(X) automatically done with a microprocessor <br />Detection Criterion <br />24. What threshold is used to determine whether the pipeline is leaking? <br />• . measurement system) <br />0.2 galk (in gallh) <br />Description - Pipeline Leak Detection System Page 4 of S <br />