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COMPLIANCE INFO_FILE 7
Environmental Health - Public
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2300 - Underground Storage Tank Program
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PR0231945
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COMPLIANCE INFO_FILE 7
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Last modified
12/22/2022 1:28:25 PM
Creation date
6/3/2020 9:55:57 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2300 - Underground Storage Tank Program
File Section
COMPLIANCE INFO
FileName_PostFix
FILE 7
RECORD_ID
PR0231945
PE
2361
FACILITY_ID
FA0003934
FACILITY_NAME
Lawrence Livermore National Lab - Site 300
STREET_NUMBER
15999
Direction
W
STREET_NAME
CORRAL HOLLOW
STREET_TYPE
RD
City
TRACY
Zip
95376
CURRENT_STATUS
01
SITE_LOCATION
15999 W CORRAL HOLLOW RD
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
Scanner
SJGOV\rtan
Supplemental fields
FilePath
\MIGRATIONS\UST\UST_2361_PR0231945_15999 W CORRAL HOLLOW_FILE 7.tif
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EHD - Public
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. — Clayton <br /> ENVIRONMENTAL <br /> CONSULTANTS <br /> HOFMM EZ CHECK 1 <br /> CHECK LIST <br /> Tester: � �+-.z�; S�`v s Supervisor: �yti Date: t Eger. /5'j t <br /> l( Secure tank area. Have vehicles that are parked within 10 feet moved. If they are <br /> going to be moved during the test. Block access so that no travel within 10 feet of the <br /> tank is allowed (except for emergencies) (Sec. 8 page 1). <br /> Prepare tank for testing. Remove tank foot valve and insure tank is isolated from <br /> pumping system. Remove any drop tubes if used in tank (Sec. 8 page 1). <br /> G� Stick tank to determine tank bottom to grade, tank top to grade, length of fill pipe, and <br /> check for water in tank bottom. Tank should be filled to within 3" of top of fill pipe <br /> by client, determine when tank was filled to see if sufficient time has elapsed (min. 6 <br /> hours) for product stabilization. Fill out tank testing form using measurements <br /> observed. <br /> Gd Collect sample of product, measure sample specific gravity and temperatures, set aside <br /> 200 milliliters for calibration. <br /> Insert temperature probe to correct depth. <br /> Bring product to top of fill pipe using table in section 14 page 4 of the Homer <br /> instruction manual. Check for gross 1 (assumed if level win not stabilize after <br /> adding the amount of product listed in table (Sec. 14 page 4). <br /> LEf If there are no gross leaks, calculate proper product height (height to produce a <br /> minimum of 2.4 psi, maximum of 5 psi at tank bottom) and connect standpipe <br /> assembly to fill pipe. <br /> E2( Set up equipment. Estimate the amount of product required to reach test level and fill <br /> / upper reservoir on stand pipe again, check for gross leaks (Sec. 9 page 1). <br /> 2 If no gross leaks, maintain level in standpipe upper reservoir. <br /> Eli Bleed all vapor areas such as tank lines or manways, if they are present on the tank. <br /> When tank level is stable in the upper reservoir of the constant pressure stand pipe <br /> (CPS), lower pressure .4 PSI and maintain constant pressure on tank. Start 3 hour <br /> minimum stabilization time. <br /> C� Calculate exact total tank capacity through including product, return and vent lines <br /> (Sec. 4 page 3). Calculate coefficient of expansion (COE). <br /> S� Assemble and set up tank testing equipment. Connect temperature probe to digital <br /> indicator, assemble chart recorder and calibrate. Set up bubbler to correct chamber in <br /> the (CPS) (Sec. 9 page 1). <br /> IL-NW O t�englaa{velezcnt.G,n <br />
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