REQUEST FOR COMMENTS

PROPOSED REMEDIAL ACTION AT

NW PIPE COMPANY SITE

COMMENTS DUE: June 30, 2010

PROJECT LOCATION: The NW Pipe Company site (Site) is

located in the northern part of Portland, Oregon at 12005 North Burgard

Road. The property has been used by Northwest Pipe Company

for heavy industrial activities since 1982. The site was first developed

during the 1940s as a portion of the Oregon Shipbuilding

Corporation’s operations and has since been under industrial use. The

Site is identified as number #138 in DEQ’s Environmental Cleanup

and Site Information (ECSI) database and is included in the Portland

Harbor Superfund site evaluation process.

PROPOSAL: As required by ORS 465.320 and ORS

465.325(10)(b), the Department of Environmental Quality (DEQ)

invites public comments on a proposed remedial action at the Site.

HIGHLIGHTS: Northwest Pipe Company is a 26-acre property

located in an area of industrial development in north Portland. Due

to past operational activity, contaminants including PolynuclearAromatic

Hydrocarbons (PAHs) and Polychlorinated biphenyls (PCBs)

have been released to site soil. Northwest Pipe has collected numerous

soil samples to address Oregon Department of Environmental

Quality (DEQ) requirements for site characterization and support soil

removal activities. The results of this work show that surficial soils

contain detectable concentrations of PAHs and PCBs above Risk

Based Concentrations (RBCs) for occupational exposure.A detailed

discussion of surface soil analytical results compared against RBC

screening level values (SLVs) and possible remedial options is presented

in Surface Soil Risk Screening and Focused Feasibility Study

for Interim Action (FFS), CH2M HILL, 2010. The recommended

remedial actions presented in the FFS, and subsequently approved

by DEQ, are hot spot soil removal and placement of an asphalt cap

over remaining soil with contamination exceeding acceptable levels

for occupational exposure. The estimated hot spot removal area is

1,033 cubic yards. Following contaminated soil removal, the soil will

be transported to a Subtitle D landfill for disposal. The estimated area

of capping is approximately 19,166 square yards. Following capping,

annual inspections would be required to confirm cap condition. A

deed restriction would be recorded with the property deed requiring

future maintenance of the cap.

HOW TO COMMENT: The project file may be reviewed by

appointment at DEQ’s Northwest Region Office located at 2020 SW

FourthAvenue, Suite 400 in Portland, Oregon 97201. To schedule a

file review appointment, call 503-229-6729; toll free 1-800-452-

4011; or TTY at 1-800-735-2900 or 711. To access site information

in DEQ’s ECSI database on the Internet, go to

http://www.deq.state.or.us/lq/ECSI/ecsiquery.asp, then enter ECSI

#138 in the Site ID box, and click “Submit” at the bottom of the page.

Next, click the link labeled ECSI #138 in the Site ID/Info column.

The DEQ project manager is Jim Orr (503-229-5039). Please send

written comments to Jim Orr at the address listed above or via email

at orr.jim@deq.state.or.us by June 30, 2010.

THE NEXT STEP: DEQ will consider all comments received and

the Northwest RegionAdministrator will make a final decision after

consideration of any comments.

ACCESSIBILITY INFORMATION: DEQ is committed to

accommodating people with disabilities. Please notify DEQ of any

special physical or language accommodations or if you need information

in large print, Braille or another format. To make these

arrangements, contact DEQ Communications & Outreach (503) 229-

5696 or toll free in Oregon at (800) 452-4011; fax to 503-229-6762;

or e-mail to deqinfo@deq.state.or.us.

People with hearing impairments may call DEQ’s TTY number,

(800) 735-2900 or 711.

Oregon Bulletin June 2010: Volume 49, No. 6

9