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PACKM ENVIRONMENTAL SYSTEMS, LLC <br /> Periodic Integrity Test Certificate <br /> P.O.Boa 576231.Modesto,CA 95357 Telephone: (209) 549-2451/209499-6692ceu <br /> Email: pacificenv@gmail.com <br /> ---""-""'--""'-----""""---'—'-'----"-'--'-'-'—'-'-'--'-""""-'-'—'-""-'-' <br /> Client: Caltrans Stockton Maintenance Yard Contact : Tony Lertora,Maint.Manager <br /> Address: 1604 South B Street Phone No.: 209-942-6020 <br /> City/State/Zip; Stockton,CA 95206 Date of Test: 6-7-2019 <br /> Product Stored: Diesel Fuel for Standby Generator <br /> Tank information(Brand/gallonage/Fuel Stored/UL or other scrialWariscellancous) <br /> Onan Cummins/119 mals/Diesel Fuel/UL142lt1IAk No NameplatelDouble Wall Steel/22 yrs old(]]/]997 ) <br /> Description of Secondary Containment Integral Sernndary Contaipment <br /> Date of Test-6-7-2019 Test Supervisor(s) Todd McWhorter <br /> METHOD OF PERIODIC INTEGRITY TEST-Primary XX Secondary XX <br /> 1. Steel Thickness Test(in accordance with API-653 and/or STI SP001 (e edition)-Readings Steel <br /> Thickness UL142 min..093 in./Ave Steel thickness=.120 in, as tested <br /> 2. Inert Gas Blanket <br /> Gas Used: Nitrogen_; CO2:_; Other(specify) <br /> Au Pressure-Test—_; Vacuum Test_ <br /> Initial Reading(document psi/WC readings) Time <br /> End Readings (document psi/WC readings) Time <br /> Duration of Test: %drop <br /> 3. Sonar-Test Y N(document db readings) Duration <br /> 4. Camera(visual)model Lorex MC81845/interstitial_(Result: P/F) Pass <br /> 5. Hydro-Carbon Sensor(probe)model OMNTEC BOA- (Result:P/F) Pass <br /> 6. Hydrology(Water Column) (inches of water column readings) <br /> Duration %Drop Results(P/F) <br /> 7. Other: Insuect Vessel& secondary containment. AST clearance is 6% inches above floor.CRDM <br /> present, no evidence of leaking product from primary vessel.system accessible for inspection: No <br /> product in secondary.Upon inspection,no evidence of weld breaks,punctures,cracks,or other structural <br /> damage to the tank AST is anchored to concrete floor and in concrete berm which has 125 Pals additional <br /> containment: PASS <br /> TEST RESULTS <br /> I`-Stage: <br /> Pass XX Fail_(quantify) SENSOR DETECTS NO PRODUCT ,NOR LEAKS FROM PRIMARY <br /> TANK INTO SECONDARY CONTAINMENT <br /> 2"'-Stage: <br /> Pass XX Fail_(quauti(y) NO VISUAL EVIDENCE OF PRODUCT INTHE SECONDARY <br /> NOR OF ANY OTHER LEAKS& STEEL THICKNESS IN EXCESS OF MINIMUM UNDER UL <br /> 142 STANDARD & NO DECAY ON VACUUM LEVELS FOR VACUUM TEST FOR 1138. <br /> Comments section data on file <br /> Next Scheduled Periodic integrity Test 6-7-20339 �i� <br /> ('6'�-/v Puffic Environmental Systems,Representative <br /> STT SP001 Certified Inspector No.: AST 135013 <br />