20100129 DOE Comment Letter 091310~, S'CATF
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STATE OF WASHINGTON
DEPARTMENT OF ECOLOGY
PO Box 47775 • Olympia, Washington 98504-7775 • (360) 407-6300
711 for Washington Relay Service • Persons with a speech disability can call 877-833-6341
September 13, 2010
Ms. Tami Merriman
City of Yelm
Community Development Department
PO Box 479
Yelm, WA 98597
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Dear Ms. Merriman:
Thank you for the opportunity to comment on the mitigated determination of nonsignificance for the
America[k Credit Union Construction project (SEPA No. 20100129) located at 415 Yelm Avenue East as
proposed by America[k Credit Union. The Department of Ecology (Ecology) reviewed the environmental
checklist and has the following comment(s):
TOXICS CLEANUP: Mohsen Kourehdar (360) 407-6256
This property is within a half mile of several known or suspected contaminated sites. If
contamination is currently known or observed during construction, sampling of the potentially
contaminated media must be conducted. If contamination of soil or groundwater is readily visible,
or is revealed by sampling, Ecology must be notified. Contact the Environmental Report Tracking
System Coordinator at the Southwest Regional Office at (360) 407-6300. For assistance and
information about subsequent cleanup and to identify the type of testing that will be required,
contact Mohsen Kourehdar with the Toxics Cleanup Program at the phone number given above.
WATER QUALITY
Erosion control measures must be in place prior to any clearing, grading, or construction. These
control measures must be effective to prevent stormwater runoff from carrying soil and other
pollutants into surface water or storm drains that lead to waters of the state. Sand, silt, clay
particles, and soil will damage aquatic habitat and are considered to be pollutants.
Any discharge of sediment-laden runoff or other pollutants to waters of the state is in violation of
Chapter 90.48 RCW, Water Pollution Control, and WAC 173-201A, Water Quality Standards for
Surface Waters of the State of Washington, and is subject to enforcement action.
This project may require a construction stormwater permit (also known as National Pollution
Discharge Elimination System (NPDES) and State Waste Discharge General Permit for stormwater
Discharges Associated with Construction). This permit is required for projects which meet both of
the following conditions:
1. One or more acres of soil surface area will be disturbed by construction activities.
2. The site already has offsite discharge to waters of the state or storm drains or will have
offsite discharge during construction.
September 13, 2010
Page 2
An application with instructions can be downloaded from Ecology's website at
http://www.ecy.wa.~ov/programs/wq/stormwater/construction/#Application. Construction site
operators must apply for a permit at least 60 days prior to discharging stormwater.
Ecology[k comments are based upon information provided by the lead agency. As such, they may not
constitute an exhaustive list of the various authorizations that must be obtained or legal requirements
that must be fulfilled in order to carry out the proposed action.
If you have any questions or would like to respond to these comments, please contact the appropriate
reviewing staff listed above.
Department of Ecology
Southwest Regional Office
(SM: 10-4579)
cc: Mohsen Kourehdar, TCP
America Credit Union (Proponent)