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ARCHIVED REPORTS XR0011888
EnvironmentalHealth
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ELEVENTH
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3500 - Local Oversight Program
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PR0544802
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ARCHIVED REPORTS XR0011888
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Last modified
11/19/2024 10:19:08 AM
Creation date
9/4/2019 11:45:23 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0011888
RECORD_ID
PR0544802
PE
3528
FACILITY_ID
FA0005153
FACILITY_NAME
FAYETTE MANUFACTURING CORP
STREET_NUMBER
7675
Direction
W
STREET_NAME
ELEVENTH
STREET_TYPE
ST
City
TRACY
Zip
95376
APN
25014012
CURRENT_STATUS
02
SITE_LOCATION
7675 W ELEVENTH ST
P_LOCATION
99
P_DISTRICT
005
QC Status
Approved
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EHD - Public
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� M <br /> '3 <br /> 444 <br /> initiated. MTBE was detected in wells MW-2 and MW-3 at concentrations similar to last quarter. <br /> It <br /> MTBE was not confirmed in either of these wells by analysis by EPA Method 8260 per <br /> recommendations by Ron Rowe of PHS/EHD (Rowe 1996). No petroleum hydrocarbons were <br /> 1 detected in monitonng well MW-1. <br /> The analytical results of the analysis of groundwater samples for dissolved oxygen, carbon <br /> dioxide, alkalinity; nitrate, sulfate, and ferrous iron are summarized in Table 2. <br /> CONCLUSIONS <br /> Based on theresults of this quarterly monitoring and sampling, Smith Technology recommends <br /> continued ground1.water monitoring and sampling of wells MW-1, MW-2 and MW-3 in order to <br /> detect changes in groundwater quality beneath the site. <br /> With regard to the potential for bioremediation occurring at the site, carbon dioxide, nitrate, <br /> sulfate and total alkalinity levels do not indicate a clear pattern consistent with the distribution of <br /> petroleum hydrocarbons present in the wells. However, the December 1996 data indicates that <br /> within the plume 'dissolved oxygen levels decrease (indicating aerobic respiration) and Eh readings <br /> decrease and are negative (indicating anaerobic respiration). These trends indicate bioremediation <br /> is occurring in aerobic and anaerobic (possibly due to depletion of oxygen) environments. This <br /> can be verified with further groundwater monitoring at the site. <br /> I <br /> L <br /> { <br /> w:1951221Reportsl46MR1996.doe 5 <br /> Blau <br />
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