General Site Information
Site: GASCO (ECSI Site ID: 84) CERCLIS (EPA) Id027734359
Project Manager: Dana Bayuk Investigative Status:Listed on the Confirmed Release List or Inventory
PM Phone: (503) 229-5543 NPL(National Priority Listing):No
Address: 7900 NW St. Helens Rd. Is this site an Orphan?No
Portland, 97210 Is this site a brownfield?No
County: MULTNOMAH Action Underway or Needed: FEASIBILITY STUDY
Region: Northwest Region Click for more details ...  
Site Documents
Click the link to view the document.
File NameCategory File Size MB Document Date Upload Date
Lfnl-DEQ_Comments-NWN_RI&IRA_Reports-10Mar10.pdf Correspondence 0.2679 3/10/2010 6/4/2020
NWN-Construction_Design_Report-DEQ_Comments-09Aug12.pdf Correspondence 0.2658 8/9/2012 6/4/2020
20190815-DEQ_Comments-Draft_Gasco_OU_Interim_FS.pdf Correspondence 0.4273 8/15/2019 6/4/2020
20171026-Gasco_Beach_Signage_Letter.pdf Correspondence 0.0302 10/26/2017 6/9/2020
Gasco HERA Report_12-24-2014-Text.pdf Eco/HH Risk Assessments 2.1957 12/24/2014 6/4/2020
Gasco HERA Report_12-24-2014-Figures.pdf Eco/HH Risk Assessments 11.8845 12/24/2014 6/4/2020
Gasco HERA Report_12-24-2014-Tables.pdf Eco/HH Risk Assessments 5.2545 12/24/2014 6/4/2020
Gasco_Beach_Sign(photo).pdf Miscellaneous 0.3575 10/26/2017 6/9/2020
NWN-Gasco_VCP_Agreement-Aug1994.pdf Orders/Consent Judgments 1.9281 8/8/1994 5/27/2015
NWN-Gasco_VCP_Agreement_Amendment_No1-Jul2006.pdf Orders/Consent Judgments 0.8939 7/13/2006 5/27/2015
NWN-Gasco_VCP_Agreement_Amendment_No2-Oct2016.pdf Orders/Consent Judgments 1.7139 10/11/2016 11/2/2016
Spill File 2015-0684.pdf Reports 8.3963 11/11/2015 12/2/2015
20070430-Gasco_RI_Report-TABLES.pdf Reports 2.5772 4/30/2007 6/4/2020
20070430-Gasco_RI_Report-FIGURES(Set_2).pdf Reports 14.9001 4/30/2007 6/4/2020
20070430-Gasco_RI_Report-FIGURES(Set_3).pdf Reports 6.0737 4/30/2007 6/4/2020
20070430-Gasco_RI_Report-TEXT.pdf Reports 2.7695 4/30/2007 6/4/2020
20070430-Gasco_RI_Report-FIGURES(Set_1).pdf Reports 11.8884 4/30/2007 6/4/2020
Gasco_Source_Control_Final, Revised Construction Design Report_013112-Text&Tables.pdf Reports 1.2401 1/31/2012 6/4/2020
Gasco_Source_Control_Final, Revised Construction Design Report_013112-Figures(Set_1).pdf Reports 14.8106 1/31/2012 6/4/2020
Gasco_Source_Control_Final, Revised Construction Design Report_013112-Figures(Set_2).pdf Reports 8.4787 1/31/2012 6/4/2020
Gasco_Source_Control_Final, Revised Construction Design Report_013112-Figures(Set_3).pdf Reports 13.5843 1/31/2012 6/4/2020
Gasco_SCMPM Annual Report_2019-08-12.pdf Reports 11.4526 8/12/2009 6/4/2020
Draft_Gasco_OU_IFS-2019-01-11-Text&Tables.pdf Reports 2.6878 1/11/2019 6/4/2020
Draft_Gasco_OU_IFS-2019-01-11-2-Figures(Set_1).pdf Reports 16.7852 1/11/2019 6/4/2020
Draft_Gasco_OU_IFS-2019-01-11-2-Figures(Set_2).pdf Reports 15.4673 1/11/2019 6/4/2020
Draft_Gasco_OU_IFS-2019-01-11-2-Figures(Set_3).pdf Reports 18.5166 1/11/2019 6/4/2020
Draft_Gasco_OU_IFS-2019-01-11-2-Figures(Set_4).pdf Reports 5.6254 1/11/2019 6/4/2020
Fill WBZ Trench Design Evaluation Report Minus Appendix A 2015-04-08.pdf Reports 21.6385 4/8/2015 6/4/2020
2017_08 KAG Spill NFA Letter.pdf Signed NFA letters 0.1222 8/14/2017 8/14/2017
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Department of Environmental Quality
700 NE Multnomah Street, Suite 600 Portland, OR 97232
Hours: Mon-Fri, 8 a.m.-5 p.m

Email: DEQInfo@deq.state.or.us | Phone: 503-229-5696 | Fax: 503-229-6124

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