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2900 - Site Mitigation Program
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PR0506388
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Last modified
3/5/2020 10:04:31 AM
Creation date
3/5/2020 9:42:39 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
WORK PLANS
RECORD_ID
PR0506388
PE
2950
FACILITY_ID
FA0007387
FACILITY_NAME
TRAINA PROPERTY
STREET_NUMBER
29900
STREET_NAME
MACARTHUR
STREET_TYPE
DR
City
TRACY
Zip
95376
APN
25321015
CURRENT_STATUS
01
SITE_LOCATION
29900 MACARTHUR DR
P_LOCATION
03
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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10/31/96 10:40 $19163645633 HLA SACRAMENTO 0 002 <br /> Harding Lawson Associat" <br /> cca•s <br /> OLAuber 30, 1996 <br /> 363713 <br /> Mr. Steve Sasson <br /> San Joaquin County Public Health Services <br /> avironmental Health Division <br /> 304 East Weber <br /> Stockton,California 95202 <br /> Work Plan Addendum <br /> Additional Phase U Field Investigation <br /> Train%Property <br /> Tracy, California <br /> Dear Mr. Sasson: <br /> INTRODUCTION <br /> On behalf of Teichert Aggregates.Harding Lawson Associates(HLA)submits this Work Plan <br /> Addendum to drill and sample four to eight soil borings at the property located at 29900 <br /> MacAurthur Drive in Tracy,California. The property is referred to as the Traina Property. HL-A's <br /> September 24, 1996 Work Plan(HLA, 1996)was submitted to the San Joaquin County Public Nnalth <br /> Services,Environmental Health Division(S)CEM)and approved by Mr_ Steve.. Samnn_ <br /> During li1.A's Phase Il Investigation prrfnrmrri on OctnbPr 21, 1496 subjective evidence of impacted <br /> soil conditions were encountered in the.boring ndvminid at the former UST location. Final <br /> analytical data are not yet available:,but preliminary data indicate that detectable concentrations of <br /> petrolartm bydmrarhons are pre.-mitt in the soil beneath the former UST location. Teichert requested <br /> that 141A perforin an additional Phase II Investigation to assess the lateral and vertical extent of <br /> imparted soil at the firmer UST location. HLA communicated to Mr. Sasson,of the SJCEIID. <br /> Teir..hrrt's m.Iciest For additional field work, SJCEHD indicated that HLA should submit a work pian <br /> adrlendtim, which would receive expedited review and approval. In accordance with this <br /> dismission, the.same driller Mitchell Drilling Environmental will be used and has been scheduled for <br /> November 4 and 5, 1996. <br /> SCOPE OF WORK <br /> Task 1-Soil Borinlzs <br /> To assess the lateral and vertical distribution of imp:tt:tc d Buil,fuw-to eight borings in the area <br /> proximal to the former UST location will be!advanced to variable depths of approximately 35 feet <br /> bgs. The boring locations will be.placed at variable:distances from the former UST pit,and the <br /> analytical data will be used to establish c:oricentr-at;ou gradients within the impacted sail_ Soil <br /> samples will be collected at minimtun 5-fuot intervals and at lithologic boundaries for lithologic <br /> description, volatile organic curupuuud(VOC)sci-jening,and potential laboratory(chemical) <br /> analysis. The samples will be collected using a 2.0-inch(inside diameter)California Modified split <br /> spoon sampler lined with three clean 6-inch long brass tubes. The sampler will he driven with a <br /> 140-poruid hammer. The number of blows required to drive the sampler each six-inch interval will <br /> be recorded and used as a qualitative meastur of soil density. <br /> Engineering and <br /> ErrvmrviltiHetial Sovia:s 10265 Rodeingnam Greve,SWte 150.Sacramento,CA 95827 91firW-0793 Fes:(EJ151 3154.50 i:i <br />
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