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2900 - Site Mitigation Program
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PR0545265
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Last modified
5/13/2020 4:40:57 PM
Creation date
5/13/2020 4:01:45 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
WORK PLANS
RECORD_ID
PR0545265
PE
2950
FACILITY_ID
FA0025736
FACILITY_NAME
SCK TAXIWAY D REBAB
STREET_NUMBER
5000
Direction
S
STREET_NAME
AIRPORT
STREET_TYPE
WAY
City
STOCKTON
Zip
95206
APN
17726034
CURRENT_STATUS
01
SITE_LOCATION
5000 S AIRPORT WAY
P_LOCATION
01
QC Status
Approved
Scanner
TSok
Tags
EHD - Public
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Site Health and Safety Plan <br /> ENSAFE RS&H <br /> Stockton Metropolitan Airport, Stockton, California <br /> January 27, 2020 <br /> proposed soil borings may be adjusted based on the results of the utility mark-outs or field conditions. <br /> From these 10 soil borings, up to 10 discrete soil samples are proposed to be collected for laboratory <br /> analysis. <br /> Soil borings will be advanced using a DPT rig (GeoProbe or equivalent) equipped with a MacroCore <br /> sampling device or equivalent lined with Teflon-free disposable polyvinyl chloride sampling sleeves. <br /> Soil will be collected continuously in each soil boring and characterized using the Unified Soil <br /> Classification System. A hand-held Global Positioning System unit, capable of sub-meter accuracy, <br /> will be used to document locations at the time of sampling. Soil cuttings will be containerized for <br /> disposal as investigation derived waste (IDW). <br /> Soil samples will be collected using stainless steel sampling instruments (e.g., spoons or trowels) and <br /> stainless-steel bowls. A subsurface fill sample will be collected immediately above the native soil <br /> estimated at a depth of 5 feet. If groundwater is encountered the soil borings will be converted into <br /> temporary groundwater monitoring wells for immediate groundwater sampling as discussed in <br /> Section 3.2. Following the collection of soil and groundwater samples, the casings will be removed, <br /> and the borings will be backfilled with bentonite grout and capped with concrete to the ground <br /> surface. <br /> Soil samples will be collected in laboratory-supplied sample jars and placed in ice-filled coolers. <br /> Field quality control samples (such as duplicates, field blanks, and equipment blanks) and sampling <br /> frequency will be performed as described in the Work Plan. Samples will be shipped under <br /> chain-of-custody to a California-certified laboratory for PFAS analysis as described in Section 7 below. <br /> The drilling equipment used to advance the soil borings, including the MacroCore sampling device, <br /> and the surface soil sampling spoons will be decontaminated prior to sampling and between sample <br /> locations. Decontamination will be in accordance with the Work Plan, and Section 4. IDW will be <br /> managed as described in Section 5. <br /> Groundwater Sampling <br /> Up to ten temporary wells (one in each boring SS-1 through SS-10) will be sampled for PFAS. <br /> Groundwater sampling locations are indicated in Appendix A. <br /> Temporary monitoring wells will be constructed by inserting slotted 2-inch casing into an existing <br /> DPT boring, which will extend an additional 3 feet below the depth at which groundwater is first <br /> 9 <br />
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