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Rernmmmded Fraetites for theTesting and Verificat ion of Spill,Overfill,Leak Detection and Secondary Containment Equipment at UST Facilities <br /> e <br /> 4.3.4 Test Conditions. The primary contain- 4,3.9 Test Procedure. a <br /> meet may contain any level of product. Determine 1. Remove any sensor that maybe instal led in the <br /> whether the groundwater depth is above the bottom tank interstitial space, <br /> Of the tank. Consult specific manufacturer's proce- <br /> dures.in regards to groundwater and performing the 2. Determine and record the groundwater level. <br /> test. No bulk deliveries shall occur within 8 hours , Add test liquid to the tank interstitial <br /> prior to conducting or during the test. No dispens- a <br /> space, bringing the fluid level into the riser <br /> ing may occur during the test. (standpipe) to the appropriate level based on <br /> the manufacturer's written mcedure. a <br /> 4.3.5 Preparation_ Detcrmirte the volume 4f P o <br /> the tank and identify the test being perforrned. 4.. Document the starting level and starr time of <br /> 'Dank volurne information is available from facility the test. <br /> records or the ATG readout. Prepare a monitoring <br /> rE <br /> fluid solution to add to the interstitials pace, • Mart the time-measurement device. <br /> 4.3.6 Steel tanks. Liquid-filled (hydrostatic) <br /> 6. Wait the appropriate time according t4 the � <br /> manufacturer's test procedure. , <br /> tests on steel tanks rquire the same fluid as the <br /> monitoring fluid. Contact the manufacturer for 7. Docunnent the ending level and ending time of <br /> instructions. the test. <br /> 4.3.7 Fiberglass Tanks. Determine tank size S. Determine and record the grnundwater level. n <br /> and diameter and apply the appropriate method. 9. Remove liquid added to the tank interstitial <br /> space, and restore the liquid level in the tank <br /> 4.3.8 Test Equipment. Test equipment shall interstitia] t0 normal OpeTotirlg cottditiatr. <br /> include: � <br /> 1D. Reinstall.the sensor so that it is installed within <br /> * monitoring fluid; rnanufae.turer's "cifications. <br /> stopwatch or other time-measurement device <br /> capable of measuring a 1-secanri increrrrent> �•3•�� Pass/Fall Griterla. Compaq the data to <br /> the manufacturer's passifail criteria in Appendix A <br /> tape measure• to determine if the tank has passed the test. <br /> pei.arg <br />