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Historic Chronology
and Future Timeline
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Date |
Action
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1987 |
Oregon Department of Environmental Quality(ODEQ) and U.S. Environmental
Protection Agency (USEPA) complete a federal preliminary assessment (ODEQ
1987) and conclude further investigation is necessary due to history of
industrial land use.
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1988 |
OMNI collects samples for contaminant testing (OMNI 1989)
USEPA and Ecology and Environment Inc. conduct investigative report and
conclude risk to human and ecological health does not require oversight by
USEPA (Ecology and Environment Inc. 1988). Further study left to property
owner, oversight by ODEQ.
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1990 |
ODEQ recommends expanded preliminary assessment and sample collection.
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1994 |
Zidell conducts preliminary assessment (EMCON
1994).
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1995–1996 |
Zidell conducts expanded preliminary assessment
(MFA 2003).
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1995 |
Zidell and ODEQ enter Voluntary Agreement for
remedial investigations.
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1997–2004 |
Zidell completes remedial investigation report
(MFA 2003, 2004b).
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2004 |
Zidell completes feasibility study report (MFA
2004a).
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2005 |
ODEQ releases Record of Decision and selects a remedial action
(ODEQ 2005).
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2006 |
Consent Judgment is filed; Zidell and the State
of Oregon reach agreement to implement remedial measures.
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2007–2009 |
Zidell completes, and ODEQ approves, additional
investigations and modeling to support the remedial design process.
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2009 |
Zidell completes, and ODEQ approves, initial
remedial design report (MFA 2009a); permitting process begins.
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December 2009 |
Riverbank and In-water
Remediation Project: Zidell submits “joint permit application” to U. S. Army
Corps of Engineers and Oregon Department of State Lands.
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January 2010 |
Federal permit completeness
review ends; permit application available to public; public comment period
begins.
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Spring 2010 |
Corps of
Engineers requests National Marine Fisheries Services to conduct
“consultation” which evaluates the Bank/In-water Remediation Project for
compliance with the Endangered Species Act.
Zidell submits materials for City of Portland
review of Upland Remediation Project (remediation of hot spots inland from
top of riverbank).
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Summer 2010 |
Zidell conducts Upland Remediation Project.
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February 2011 |
National Marine Fisheries Service issues Biological
Opinion concluding that the Remediation Project will not jeopardize fish
species listed under the Endangered species Act, and will not adversely
modify their habitat.
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May 2011 |
Zidell begins riverbank cleanup work above the line of federal jurisdiciton
(ordinary high water line)
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Spring/Summer 2011 |
Zidell begins
Riverbank/In-water Remediation Project coordinates with TriMet PMLR bridge project bank and
in-water work.
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July - October 2011 |
Assuming the federal agency authorization to work in Waters of the United
states (below the ordinary high water line) is issued in June, 2011 Zidell
will begin the lower riverbank and in-water sediment cap work. this
work will be closely coordinated with TriMet construction of the new light
rail bridge that will cross over the Zidell cap. |
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3121 SW MOODY AVENUE | PORTLAND, OR 97239-4500 | FAX 503-228-6750
PHONE 503-228-8691 | TOLL FREE 800-547-9259 |
CONTACT US
^ top of page |
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3121 SW MOODY AVENUE | PORTLAND, OR
97239-4500 | FAX 503-228-6750
PHONE 503-228-8691 | TOLL FREE 800-547-9259 |
CONTACT US
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