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PACIFIC ENVIRONMENTAL SYSTEMS, LLC <br /> Periodic Integrity Test Certificate <br /> P.O. Boz 576231. Modesto, CA 95357 Telephone: (209) 549-2451/209-499-6692cell <br /> Email: pacificen0-kmail.com <br /> ------------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Client: California Freight Contact : Jaime Delgado, Service Mana eg r <br /> Address: 805 South Locust Ave. Phone No.: 209-353-5151 <br /> City/State/Zip; Ripon, CA 95366 Date of Test: 3-29-2022 <br /> Product Stored: Waste Oil-a UL#: No ID plate <br /> Tank Information (Brand/gallonage/Fuel Stored/JL or other serial#/miscellaneous) <br /> Unknown/640 gals/Waste Oil/UL 142/UL#No UL ID Plate/Single Wall Steell 25yrs old (estimated) <br /> Description of Secondary Containment Single Wall AST Steel in Steel Berm <br /> Date of Test-3-29-2022 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 UL 142 Std. (101 edition)--Readings Steel <br /> Thickness UL142 min. .123 in./Avg Steel thickness =.140 in. as measured at 20 points on AST outer <br /> shell & .130 in, as measured at 20 points on berm walls. <br /> 2. Inert Gas Blanket <br /> Gas Used: Nitrogen CO2.-_, Other (specify) <br /> Air 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)_ <br /> 5. Hydro-Carbon Sensor(probe) model OMNTEC BOA- (Result: P/F) <br /> 6. Hydrology (Water Column) (inches of water column readings) <br /> Duration % Drop Results (P/F) <br /> 7. Other: Inspect Vessel & secondary containment. AST clearance is 4 inches above berm floor. <br /> CRDM present, no evidence of leaking product from primary vessel, system accessible for <br /> inspection: Slight residue of waste product in secondary containment berm from supply hose <br /> drainage. Upon inspection,no evidence of weld breaks,punctures, cracks, or other structural damage to the <br /> tank. Tank tits within the secured & covered Service-Shan area _ : PASTS' <br /> TEST RESULTS <br /> 1St-Stage: <br /> Pass XX Fail_(quantify) SENSOR DETECTS SLIGHT RESIDUE IN SECONDARY FROM <br /> SUPPLY HOSE DRAINAGE. NO VISUAL EVIDENCE OF LEAKS OF PRODUCT INTO THE <br /> SECONDARY <br /> 2"d-Stage: <br /> Pass XX Fail_(quantify) STEEL THICKNESS MEASURED (aD, 20 PTS. ON OUTER SHELL <br /> OF AST & (u, 20 PTS ON BERM WALLS,BY ULTRASONIC STEEL THICKNESS SENSOR- <br /> GAUGE, IN EXCESS OF UL142 MINIMUM STEEL THICKNESS STANDARD <br /> Comments section Tank is anchored to floor data on file <br /> Next Scheduled Periodic Integrity Test 3-29-2027 <br /> JA,- Pacific Environmental Systems,Representative <br /> STI SP001 Certified Inspector No.: AST 135013 <br />