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RECEIVED BY EHD: UNDERGROUND STORAGE TANK 7/27/2021 MONITORING SYSTEM CERTIFICATION FORM (Page (received via Crompco Vault Portal) XVI. LINE LEAK DETECTOR TESTING Check this box if line leak detectors (LLD) are NOT installed. (Do not complete this section.) Y N NA This section must be completed if LLDs are installed. Was a leak simulated to verify LLD performance? (Check all that apply.) Simulated leak rate verified: 3 GPH 1.1 GPH 0.2 GPH Was the testing apparatus properly calibrated? Wo F For emergency generator tank systems, does the LLD create an audible and visual alarm when a leak is detected? F- F- rv- For mechanical LLDs, does the LLD restrict the flow through the pipe when a leak is detected? F- F- rv- For electronic LLDs, does the turbine automatically shut off when a leak is detected? F,1 F- F- For electronic LLDs,does the turbine automatically shut off if any portion of the monitoring system is disabled or disconnected? F7 F For electronic LLDs,does the turbine automatically shut off if any portion of the monitoring system malfunctions or fails a test? F7 F For electronic LLDs, have all accessible wiring connections been visually inspected for kinks and breaks? r7o F- I! Were all items on the equipment manufacturer's maintenance checklist completed? T7 17- F- Were all LLDs confirmed operational within regulatory requirements? W 17- F- or any answer of'W"above, describe in section Xlll how and when these issues were or will be corrected. XIII. COMMENTS XIV. VACUUM/PRESSURE/HYDROSTATIC MONITORING EQUIPMENT TESTING Check this box if VPH monitoring is NOT used. (Do not complete this section.) This section must be completed if VPH monitoring is used to perform leak detection monitoring. System Type (Mark all that apply.) Vacuum Pressure Hydrostatic Sensor ID Component(s) Monitored by this Sensor Sensor Functionality Interstitial Communication Test Test S1 DSL PROD. LINE Fv-0 Pass F-Fail Wo Pass f-Fail S2 DSL 2PROD. LINE W Pass F Fail W Pass F-Fail S3 VENT LINE Fv-Pass F Fail W Pass F-Fail F-Pass I!Fail F-Pass F-Fail Pass Fail F-Pass F-Fail Pass Fail F-Pass F-Fail r-Pass Fail F-Pass F-Fail F-Pass I!Fail F-Pass F-Fail F-Pass I!Fail F-Pass F-Fail Pass Fail F-Pass F-Fail Pass Fail F-Pass F-Fail r-Pass r-Fail F-Pass F-Fail Simulated leak at far ends of the interstitial space. Visual Inspection How was interstitial communication verified? - Other(Describe the method in section XV below.) Gauge Was the vacuum or pressure restored to operating levels in all interstitial spaces? Fv-O Yes F- No (Describe the reason in section XV below.) For any answer of'W"above, describe in section Xlll how and when these issues were or will be corrected. XV. COMMENTS GPH = Gallons per hour, Y=Yes, N = No, NA = Not applicable, VPH =Vacuum/Pressure/Hydrostatic, ID = Identification