MO-28045_47318_G_C_20200617_Email Discusson

Beverly, Trudy
From: Chinery, Alex <[e-mail]>
Sent: Friday, June 19, 2020 1:35 PM
To: Beverly, Trudy
Subject: [External] FW: Hydraulic Lift Removal at CLT Airport Warehouse Facility.
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Trudy, thank you again for taking the time to speak with me on Wednesday regarding this project.
I wanted to verify one point to make sure that my member/understanding of the requirements is correct.
If we cannot excavate out the remain contamination and take a water sample, we would have to analyze it for the full
slate of risk -based parameters, rather than just those required for hydraulic oil. Basically, we would have to analyze for
VOCs and VPH in order to meet the necessary regulatory requirements?
Thank you,
From: Chinery, Alex
Sent: Wednesday, June 17, 2020 9:57 AM
To: Beverly, Trudy <[e-mail]>
Subject: Hydraulic Lift Removal at CLT Airport Warehouse Facility.
Good Morning Trudy,
I hope that you are doing well and staying safe these days.
I am reaching out to you to try and determine next steps for a site we are working on here in Charlotte. We recently
oversaw the removal of an in -ground hydraulic lift at a warehouse facility located on Charlotte -Douglas International
Airport property. We are performing the work for the former tenant of the warehouse. One of the cylinders removed
from the lift system was simply buried and upon removal we noted that hydraulic oil had likely leaked from the cylinder.
A sample collected from the base of the excavation confirmed DRO at 5,610 mg/kg, so risk based samples were
analyzed at the limits of our excavation (we were limited by the lifts presence inside building). Our risk based sampling
indicated Aromatics (C11-C22) at 341 mg/kg and 374 mg/kg, in two of our samples (including the bottom sample) these
were the only regulatory exceedances and the contamination appears to be consistent with a release of hydraulic oil (as
no SVOCs where detected above MDLs).
We would usually discuss with our client, reporting the release and moving forward with an LSA most likely, but do to
the somewhat convoluted nature of all the parties involved I was hoping to have conversation with you before moving
forward on what sort of information you would need to see to move an incident like this toward regulatory closure.
Thank you, and feel free to give me a call to discuss more specifics or let me know if you need additional information
before you can comment.

S. Alex Chinery, P.E.
Group Manager I Environmental
Terracon
2701 Westport Road I Charlotte, North Carolina 28208
P (704) 594 88921 F (704) 509 18881 M [phone]
Alex.Chinery(cDterracon.corn I terracon.com fterracon.coml
Terracon provides environmental, facilities, geotechnical, and materials consulting engineering services delivered with
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