CEAC_Amended for Matrix of Glazing-Caulking.pdf
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- Attached to
- Cyber Engineering and Academic Center (CEAC), United States Military Academy, West Point, NY
- Solicitation number
- W912DS19R0019
About this file
This document contains a federal contract opportunity solicitation for construction services. The U.S. Army Corps of Engineers, New York District is seeking proposals for the construction of a new 136,000 square foot Cyber Engineering and Academic Center (CEAC) at the United States Military Academy in West Point, New York. The project scope includes building the four story CEAC facility, an underground 450 space parking structure, removal of 300,000 cubic yards of granite, installation of landscaping and hardscaping, and construction of an enclosed pedestrian bridge connecting the new building to existing academic facilities. The period of performance is approximately 1461 calendar days from notice to proceed. The estimated value of construction is between $100-250 million. Proposals are due electronically by the date specified in the solicitation. The contract will be awarded using best value tradeoff procedures. Interested parties should monitor the System for Award Management website for solicitation documents and any amendments.
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Text version
Case Narrative
Analysis: 8082 for Aroclors Client: Global Consulting, Inc.
Preparation SOP #: OE-SW-3540 Soxhlet Matrix: Solid
Analysis SOP #: EPA-TO-10
W/O: 1804417
HBN: 209329
General Set Information: The field samples were received and batched for analysis.
Method Summary: Method 8082 was used to determine the concentrations of various
Aroclors using dual capillary columns with electron capture detectors.
Sample Preparation: All samples were soxhlet extracted into 5% diethyl ether and 95% hexane solution (Method TO-10), concentrated to 10 mL and analyzed.
Holding Times: Holding time requirements were met for both sample preparation and analysis.
Dilutions: None.
Method and Sample QC data:
Method Blank(s): Method analytes were not detected in the method blank at levels above reporting limit.
Surrogates: All recoveries were within established limits.
Laboratory Control Samples: All recoveries were within established limits.
Matrix Spike and Matrix Spike Duplicate: MS and MSD were not required.
Instrument QC:
Initial Calibration Verification: Initial calibration verification standards on the
CLPest columns passed +/- 20% criteria.
Continuing Calibration Verification: Continuing calibration verification standards on the CLPest columns passed +/- 20% criteria.
NC/CAR: None.
Case Narrative
Sample Calculation: The Aroclors concentrations were determined by using average calibration factors and peak area. Surrogate concentrations were determined by interpolations from 2nd order regressions of standard responses (peak height) vs.
concentrations. Final concentrations in ug/g before moisture corrections were determined from the equation:
Where
CS = Analyte concentration in sample (ug/g)
CE = Analyte concentration in extract (ug/mL)
VE = Final volume of extract (mL) DF = Dilution Factor
VS = Initial weight of sample taken for preparation (g)
Miscellaneous Comments: Amended 7/14/20: The analytical report lists the matrix as soil/solid/sediment. The actual sample matrix was window glazing and caulking material but due to hard coding limitations within the reporting system this more accurate matrix description was not utilized.
V
DF V C
= C
S
EE
S
CalligG Highlight
CalligG Highlight
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