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ARCHIVED REPORTS_SITE CHARACTERIZATION REPORT 1999
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PR0009302
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ARCHIVED REPORTS_SITE CHARACTERIZATION REPORT 1999
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Last modified
2/13/2020 7:22:23 PM
Creation date
2/13/2020 2:43:33 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
SITE CHARACTERIZATION REPORT 1999
RECORD_ID
PR0009302
PE
2960
FACILITY_ID
FA0004002
FACILITY_NAME
MORTON-ALCO
STREET_NUMBER
55
Direction
S
STREET_NAME
LINCOLN
STREET_TYPE
ST
City
STOCKTON
Zip
95203
APN
13737004
CURRENT_STATUS
01
SITE_LOCATION
55 S LINCOLN ST
P_LOCATION
01
P_DISTRICT
001
QC Status
Approved
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' DRAFT <br /> ' arsenic in the Stockton area should be considered prior to implementing remedial actions <br /> at Area 3. <br /> The maximum lead concentration in Area 3 soils of 710 mg/kg was greater than the child <br /> receptor-based lead in soil target concentration but below the industrial receptor-based <br /> lead in soil target concentration. Based on the maximum soil lead concentration in Area <br /> 3 that is higher than the target blood lead concentration for the child resident, there is a <br /> potential health concern at Area 3. <br /> 2.4 Area 4 <br /> Noncarcinogenic hazards and carcinogenic risks at Area 4 are presented in Table D-4. <br /> The noncarcinogenic HIs were less than 1 for the construction worker, landscape <br /> maintenance worker, and resident. The indoor commercial/industrial worker was not <br /> evaluated in Area 4 because no volatile organic compounds were detected in soil and <br /> ' groundwater. <br /> The excess cancer risk for the construction worker was 6.54E-11 and 2.75E-05 for the <br /> landscape maintenance worker,well below (for construction worker) and within the <br /> iacceptable range of 1 E-04 to 1 E-06. Excess cancer risk for the resident was 3.08E-05, <br /> which is greater than the acceptable risk of 1E-06 for residential site use. Data indicate <br /> that the elevated excess cancer risk may be due to the localized presence of PAHs in one <br /> soil boring collected at a depth of 1 foot below ground surface. <br /> For the lead evaluation, the maximum lead concentration of 360 mg/kg in soils was less <br /> than the child receptor-based and industrial receptor-based lead in soil target <br /> concentrations. Lead concentrations ranged from 6 to 360 mg/kg in Area 4 soils. <br /> Consequently, the soil lead concentrations in Area 4 do not appear to represent a potential <br /> health hazard. <br /> SOMA 99-2218 18 12/10/99 <br />
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