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2009-139
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2009-139
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Last modified
3/8/2016 11:28:41 AM
Creation date
10/1/2015 3:34:13 AM
Metadata
Fields
Template:
Official Documents
Official Document Type
Work Order
Approved Date
05/19/2009
Control Number
2009-139
Agenda Item Number
8.G.
Entity Name
Kimley-Horn and Associates
Subject
Environmental Remediation Services
Work Order No. CD-1
Area
Jones Pier Conservation Area
Supplemental fields
SmeadsoftID
10642
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EXHIBIT 1 <br /> SCOPE OF SERVICES <br /> Jones ' s Pier <br /> • Ammonia concentrations in the ground water are limited to the <br /> I <br /> mmediate vicinity of existing monitoring well MW- 1 . <br /> The site assessment field activities shall consist of the following : <br /> • Collection of soil samples from up to 40 soil borings completed across <br /> the Site ( approximately 2 borings per acre) . The soil boring locations <br /> will be determined in the field . The depth to ground water across the <br /> Site is assumed to be less than 4 feet below land surface (bls) . <br /> Therefore , soil samples will be collected from each soil boring at the <br /> following intervals : 0 to 0 . 5 feet, 0 . 5 to 2 feet, and 2 to 4 feet bls . Up to <br /> 120 soil samples will be collected from the Site . The 0 to 0 . 5 feet soil <br /> sample from each boring will be analyzed for chlorinated pesticides <br /> using ( USEPA Method 8081 ) . It elevated concentrations of chlorinated <br /> pesticides are identified in the 0 to 0 . 5 feet sample , then the samples <br /> from the subsequent intervals ( 0 . 5 to 2 feet and 2 to 4 feet) will also be <br /> analyzed for chlorinated pesticides . <br /> • The site- specific leachability concentration will be determined utilizing <br /> the synthetic precipitate leaching procedure ( SPLP ) . The results of the <br /> soil sampling will dictate the SPLP analysis . As such , SPLP analysis <br /> for pesticides will be completed on up to 30 soil samples ( 10 samples <br /> per sampling horizon ) . <br /> • A deep and two shallow monitoring wells will be installed on the Site . <br /> One shallow monitoring well will be installed up - gradient on the eastern <br /> third of the Site . The second shallow mr <br /> onitoing well will be installed <br /> down - gradient of M W - l along the western side of the Site . The deep <br /> monitoring well will be installed adjacent to MW - 1 . The monitoring <br /> wells will be installed using hollow - stem auger techniques . Each of the <br /> shallow monitoring wells will be installed to a depth of approximately <br /> 12 feet bls . The deep monitoring well will be installed to a depth of <br /> approximately 40 feet bfs . The monitoring wells will be constructed of <br /> 2 - inch diameter, schedule 40 PVC with 10 feet of 0 . 01 - inch machine - <br /> slotted well screen . The monitoring wells will be constructed with a <br /> 20/ 30 sand pack , bentonite seal and flush- mount concrete well pad , with <br /> manhole cover . Each monitoring well will be developed following <br /> construction to facilitate sorting of the sand pack and increase hydraulic <br /> communication between the sand pack and water-bearing formation . <br /> • Ground water samples will be collected from the five existing monitoring <br /> wells ( MW - 1 , MW - 2 , MW - 3 and MW - 5 ) and the three proposed <br /> monitoring wells on the Site . The ground water samples will be <br /> analyzed for ammonia ( USEPA Method E350 . 1 ) , nitrate- nitrite (USEPA <br /> Method E353 . 2) , total Kjeldahl nitrogen ( USEPA Method E351 . 2) and <br /> total dissolved solids ( USEPA Method E160 . 1 ) . The monitoring wells <br /> 3 <br />
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