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COLORADO
Department of Public
Health & Environment
Dedicated to protecting and improving the health and environment of the people of Colorado
April 11, 2017
Mr. Brian Killough
Senior Remediation Advisor
Suncor Energy USA, Inc.- Commerce City Refinery
5801 Brighton Blvd.
Commerce City, CO 80022
RE:
RECEIVED
APR 1 if 2317
WELD COUNTY
COMMISSIONERS
December 2010 - August 2010 Release Corrective Action Plan Update and
December 2011 Spindle B Station Sampling Report and No Further Action Request
Suncor Energy (U.S.A.), Inc.
Spindle B Station
13005 Weld County Road 18 1/2
Fort Lupton, CO 80621
EPA ID No. COR000216127
Record Manager Code: 1.4
Dear Mr. Killough:
The Colorado Department of Public Health and Environment's (CDPHE's), Hazardous •
Materials and Waste Management Division (the Division) has reviewed the above referenced
December 2010 - August 2010 Release Corrective Action Plan Update and December 2011
Spindle B Station Sampling Report and No Further Action Request (the Reports) for the Suncor
Spindle B Station ("the Facility"). The Reports provide the results of groundwater monitoring
and soil confirmation sampling conducted on the Facility. The results show that the
concentration of volatile organic compounds (VOCs) associated with releases of crude oil were
below state of Colorado groundwater standards, or not detected at all, for at least two
groundwater sampling events. The results of soil confirmation sampling show that the
concentrations of VOCs and polyaromatic hydrocarbon (PAH) compounds are below the
Division's residential/unrestricted use concentrations. Based on the soil and groundwater
monitoring data, the Reports request that the Division issue a No -Further -Action (NFA)
determination for the Facility.
Based on the information provided in the Reports the Division agrees that the
concentrations of VOCs in groundwater beneath the Facility are all below applicable Colorado
groundwater standards at 5 CCR 1002-41. In addition, the Division agrees that the releases of
crude oil to soil have been remediated to achieve residential/unrestricted use criteria.
Therefore, the Division hereby makes the determination that no further action is required at
the referenced facility. All boreholes and monitoring wells shall be plugged and sealed in
accordance with Rule 16, Standards for Plugging, Sealing, and Abandoning Wells and
Boreholes (2 CCR 402-2).
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4300 Cherry Creek Drive S., Denver, Co 80246-1530 P 303-692-2000 www.colorado.gov/cdphe
John W. Hickenlooper, Governor I Larry Wolk, MD, MSPH, Executive Director and Chief Medical Officer
2017-1081
It is important to note that this no further action determination is based on data
received to date and represents a snapshot in time. This determination may no longer be
valid if at a later sampling date data is received that suggest a new release may have
occurred as a result of activities after the date of this letter. Also, if any tenant, owner or
operator manages hazardous wastes at the site in future, these wastes must be handled in
accordance with the Colorado Hazardous Act, 25-15-201 et seq., C.R.S., and it's
implementing regulations, (6 CCR 1007-3).
If you have any questions regarding this letter please contact Mr. David Walker of my
staff at (303) 692-3354ordavid.walker@state.co.us .
Sincerely,
Robert Beierle, Unit Leader
Hazardous Waste Corrective Action Unit
Hazardous Waste Program
t cc: Weld County Department of Public Health
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