22055_Charlotte Oil & Fertilizer_SIR_20210302

DWM Brownfields Inspection Report
Submitted By: jkslaughter_ncdenr
Submitted Time: 03/04/2021 11:47 AM

I. Inspection Information
Date & Time: 03/02/2021 2:51 PM Inspection Type: Meeting

Brownfields Staff:
Kevin Slaughter
Other Personnel:
Jason Blanchard - Clean Vapor, and Kaitlynn
Bryan-Scaggss - One Environmental
Location:
Lat: 35.20909, Long: -80.8621,

II. Project Information
Number: 22055-18-060 Name: Charlotte Oil & Fertilizer
Address: 2151 Hawkins St.

City: Charlotte

County: Mecklenburg

III. Environmental

Current Use of Property: Mixed Use
Structures on Property: New Structures Violation: No

Vapor Mitigation Systems: Observed Vapor Mitigation Violation: No

Use of Surface Water or Groundwater: Not Observed Water Use Violation: No

Exposed Soils: Observed Exposed Soils Violation: No
Summary: Portions of sub-slab piping and VIMS riser piping observed in addition to
remote sampling conduit/screens, helium supply and junction boxes, and Liquid Boot
spray VI barrier being applied during visit. Observed coupon test of VI barrier while on-
site.

Summary: N/A

Summary: 17-Story Mixed Use building currently under construction. Spray applied VIMS
being installed during the construction process.

Summary: soils exposed due to general construction activities.

Brownfields Inspection Report: Charlotte Oil & Fertilizer, 22055-18-060
03/02/2021 2:51 PM
Page 3 of 7

Use of Basements: Not Observed Basement Violation: No

Storage of Chemicals: Not Observed Chemical Violation: No

Groundwater Monitoring Wells: Not Observed Monitoring Well Violation: No

Current Exposure to Public/Public Risk:

Summary: N/A

Summary: N/A

Condition:
Summary: N/A

Site fenced with temporary construction fencing. Site access closely monitored at check-
in station, with no environmental exposure to public observed at the time of the site
inspection.

Brownfields Inspection Report: Charlotte Oil & Fertilizer, 22055-18-060
03/02/2021 2:51 PM
Page 4 of 7

IV. Inspector Comments

V. PHOTOGRAPHS

Photo 1: Site photo looking northeast down Hawkins St.

Examined portions of VIMS that was visible prior to installation of Liquid Boot VI barrier.
Also observed installation of Liquid Boot barrier on another portion of site, discussed
barrier installation with installers, and observed coupon sampling and thickness
measurement. Coupon sampling holes to be used for smoke testing the following day.

Brownfields Inspection Report: Charlotte Oil & Fertilizer, 22055-18-060
03/02/2021 2:51 PM
Page 5 of 7

Photo 2: Photo of three steel VIMS Risers along interior wall. Future sub-slab soil gas and
helium injection tubing visible exiting conduits at central monitoring location.

Photo 3: Two VIMS trunk lines visible exiting stone layer.

Brownfields Inspection Report: Charlotte Oil & Fertilizer, 22055-18-060
03/02/2021 2:51 PM
Page 6 of 7

Photo 4: Sub-slab sample screen. Internal sample tubing and seal within conduit at screen not
visible.

Photo 5: Gray junction box (rear of photo) and two helium injection boxes (left side of photo)
visible in photograph.
Brownfields Inspection Report: Charlotte Oil & Fertilizer, 22055-18-060
03/02/2021 2:51 PM
Page 7 of 7

Photo 6: Spraying Liquid Boot over VI-20 membrane.

Photo 7: Coupon testing of VIMS barrier. Thickness measured was 85 mils.