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• Current Soilanalytical Data •
<br /> Parcel 2A and Adjacent Properties
<br /> West Weber Avenue and Lincoln Street
<br /> Stockton,California
<br /> Depth Amount TPH Gasoline Benzene Toluene Ethylbenzene Xylenes Naphthalene Methane 1,1
<br /> Well ID Date Sampled Purged (C2+HC's) 3 total
<br /> (feet) 3 (ug/m Air) (ug/m Air u /m3 Air ( ) a Di(Ug/M3 Air)
<br /> (ug/m3 Air) ) ( g ) u /m3 Air (ug/nn Air) (PPmV) 3
<br /> �- ( 9 ) (ug/m Air)
<br /> UPSV-i 13 3/25/2016 364 '10,000 <40 <200 <100 '100 <35 <1,000 <10,000
<br /> UPSV-2 13 3/25/2016 364 <10,000 <40 <200 <100 <too <35 <1,000 <10,000
<br /> UPSV-3 13 3/25/2016 364 57,000 <40 <200 <100 <100 <35 180,000 <10,000
<br /> UPSV-4 13 Destroyed
<br /> UPSV-5 13 Not Sampled,encountered groundwater
<br /> UPSV-6 13 3/25/2016 364 340,000 61 1 <200 1 <too I <100 <35 I 300,000 1 -70,000
<br /> UPSV-6-D 13 3/25/2016364 320,000 __56 ... <200 <100 <100 <35 300,000 '10,000
<br /> UPSV-7 6 3/25/2016 245 <10,000 <40 <200 <100 <100 <35 '7,000 c10,000
<br /> UPSV-8 6 3/25/2016 245 <10,000 <40 <200 <100 <100 <35 <1,000 I <10,000
<br /> APSV-1 12 3/24/2016 336 <10,000 <40 <200 <100 <100 <35 <1,000 <10,000
<br /> APSV-2 7 Not Sampled,encountered groundwater
<br /> APSV-3 6.3 3/24/2016 177 <10,000 <40 F <200 <100 r <100 <35 25,000 <10,000
<br /> APSV-4 8.6 Not Sampled,encountered groundwater
<br /> APSV-5 8.6 3/24/2016 242 <10,000 <40 <200 <100 <100 <35 <1,000 <10.000
<br /> APSV-6 12 3/24/2016 336 <10,000 <40 <200 <100 <100 <35 <1,000 <10,000
<br /> APSV-7 7.6 3/24/2016 213 <10,000 <40 <200 <100 <too <35 i <1,000 '10,000
<br /> APSV-8 7.6 3/24/2016 213 <10,000 <40 <200 <100 <100 <35 <1,000 <10,000
<br /> APSV-9 11.2 3/25/2016 312 510,000 <40 <200 <100 <100 <35 290,000 <10,000
<br /> APSV-10 7.5 3/25/2016 196 830,000 <40 <200 <100 <100 <35 250,000 <10,000
<br /> APSV-11 6 3/24/2016 297 11,000 <40 <200 <100 <100 <35 <1,000 <10,000
<br /> APSV-12 5.5 3/24/2016 290 <10,000 <40 <200 <100 <100 <35 27,000 <10,000
<br /> APSV-14 6 3/24/2016 260 <10.000 <40 <200 <100 <100 <35 <1,000 !70,000
<br /> APSV-15 5.5 3/24/2016 245 310,000 <40 '200 <100 <100 <35 120,000 <10,000
<br /> APSV-15-D 5.5 3/24/2076 245 290,000 <40 '200 <100 <100 <35 120,000 <10.000
<br /> APSV-16 5.4 Not Sampled,encountered groundwater
<br /> APSV-17 6 3/25/2016 290 <10,000 <40 1 <200 <100 I <100 <35 '7,000 '10,000
<br /> APSV-18 6 Not Sampled,encountered roundwater
<br /> ESL for Soil Gas(ug/m) Residential Land Use 300,000 48 1 160,000 490 52,000 36 NE NE
<br /> DTSC Screening Level for
<br /> Shallow Soil Gas-Future Residential Land Use NE 48 155,000 550 50,000 41.5 NE NE
<br /> Resident(ug/m3)
<br /> Notes:
<br /> ug/m3 Air:micrograms per cubic meter air
<br /> ppmv:parts per million by volume
<br /> ESL=Environmental Screening Level(San Francisco Bay Regional Water Quality Control Board-December 2013)
<br /> Soil Gas:Screening levels based on soil gas data collected<1.5 meters(five feet)below a building foundation or the ground surface.
<br /> DTSC soil gas screening level=more conservative of US EPA RSLs(2015�or indoor air or DTSC-modified residential indoor air screening level(Cal-EPA 2014c)+default DTSC attenuation factor(0.002)
<br /> for current resident
<br /> 3=Purge Volume Test
<br /> 3=Leak Check Compound
<br /> NE=Not Established
<br /> <=concentration below laboratory reporting limit
<br /> BOLD denotes concentration levels at or above any ESL or DTSC Screening Level presented
<br /> D=Duplicate Sample
<br /> =Not typical of gasoline pattern
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