Final Remedial Action Completion Report for the ... - Rvaap.org
Final Remedial Action Completion Report for the ... - Rvaap.org
Final Remedial Action Completion Report for the ... - Rvaap.org
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<strong>Remedial</strong> <strong>Action</strong> <strong>Completion</strong> <strong>Report</strong><br />
June 2008<br />
Remediation of Soils and Dry Sediments at RVAAP 08-11 (LLs 1-4)<br />
Page 2-2<br />
exceeding clean-up goals (Shaw 2007a). The clean-up goals implemented <strong>for</strong> <strong>the</strong> remediation of<br />
soils and dry sediment at LLs 1-4 as presented in <strong>the</strong> Interim ROD are included in Table 2-1.<br />
.<br />
Table 2-1<br />
COCs and Cleanup Goals <strong>for</strong> Soils and<br />
Dry Sediments at LLs 1-4<br />
COC<br />
Cleanup Goal<br />
(mg/kg)<br />
In<strong>org</strong>anics<br />
Aluminum 34,942<br />
Antimony 2,458<br />
Arsenic 31<br />
Barium 3,483<br />
Cadmium 109<br />
Chromium, hexavalent 16<br />
Manganese (surface soils a ) 1,800<br />
Manganese (subsurface soils b ) 3,030<br />
Lead<br />
Explosives<br />
1,995<br />
2,4,6-TNT 1,646<br />
RDX<br />
PCBs<br />
838<br />
Aroclor-1254<br />
SVOCs<br />
35<br />
Benz(a)anthracene 105<br />
Benzo(a)pyrene 10<br />
Benzo(b)fluoran<strong>the</strong>ne 105<br />
Dibenz(a,h)anthracene 10<br />
Notes:<br />
COC – Chemical of Concern<br />
mg/kg – milligram per kilogram<br />
PCB – Polychlorinated biphenyl<br />
SVOCs – Semi-volatile <strong>org</strong>anic compound<br />
TNT – Trinitrotoluene<br />
RDX - Cyclonite<br />
a Surface soil interval is from 0 to 1 foot below ground surface<br />
b Subsurface soil interval is greater than 1 foot below ground surface<br />
2.2 SUMMARY OF REMEDIAL ACTION WORK PLAN<br />
As required per <strong>the</strong> CERCLA process, Shaw prepared a <strong>Remedial</strong> <strong>Action</strong> Work Plan (RAWP)<br />
(Shaw 2007b) which presents <strong>the</strong> “means and methods” <strong>for</strong> executing <strong>the</strong> selected remedy in<br />
accordance with <strong>the</strong> <strong>Final</strong> Interim ROD. The RAWP was reviewed and approved by USACE,<br />
Ohio EPA, and <strong>the</strong> RVAAP prior to field implementation and outlines <strong>the</strong> construction<br />
methodologies <strong>for</strong> excavation, contamination control, and protection of <strong>the</strong> public and <strong>the</strong><br />
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