March 31, 2016 Jim Orr, R.G. NWR Cleanup Program Remedial Action [PDF]

Mar 31, 2016 - March 31, 2016. Jim Orr, R.G.. NWR Cleanup Program. Remedial Action Project Manager. Oregon Department of

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Idea Transcript


March 31, 2016

Jim Orr, R.G. NWR Cleanup Program Remedial Action Project Manager Oregon Department of Environmental Quality 700 NE Multnomah Street; Suite 600 Portland, Oregon 97232 Re:

February 2016 Stormwater Sampling Summary Report Lampros Properties, 9040 North Burgard Way, Portland, Oregon

Dear Mr. Orr, This summary report has been prepared regarding recently completed stormwater sampling activities at the Lampros Properties site located at 9040 North Burgard Way in Portland, Oregon (Site). Stormwater sampling activities were completed per the Performance Monitoring Work Plan (Work Plan), included as Appendix A to the Draft Source Control Evaluation (SCE) Report submitted to DEQ. Stormwater Sampling Activities SLR completed stormwater sampling activities at the Site on February 17, 2016. As stated in the Work Plan, there are no point discharges that are exclusively from the Site; therefore, representative samples of stormwater were collected at on-site select discrete catch basins. Pre filter and post filter stormwater samples were collected per the Work Plan as permitted. A hydrograph of the February 2016 storm event is included as Appendix A. Deviations from the Work Plan and previous sampling at the Site include the following: 

Due to observations of off-site stormwater flowing onto the Site from the south, CB-33 and CB-25 are no longer designated as stormwater sampling locations. Instead, catch basins CB-23 and CB-26 were designated as alternate sampling points along with CB-3 and CB-11. The sampling locations are shown on the attached Figure 1.



Sample location CB-23 was not sampled due to insufficient flow (Photographs included in Appendix B)



While CB-26 does not directly receive surface flow from off-site, there is forklift traffic in the area that appears to track sediment from off-site drainage that enters the Site to the drainage area around CB-26. The sample results from CB-26 do not reflect Site stormwater only. Due to concerns over this tracking of off-site sediment, a new stormwater sampling location is proposed to represent Site conditions only. SLR International Corporation 1800 Blankenship Road, Suite 440, West Linn, OR 97068 T: (503) 723-4423 F: (503) 723-4436 www.slrconsulting.com Offices throughout USA, UK, Ireland, Canada, Australia, Namibia and South Africa

March 31, 2016 Jim Orr, R.G. Page 3 cc

Marcus Lampros Drew Gilpin Eva DeMaria, EPA Sean Seldrake, EPA

Enc

Figure 1 Table 1 Appendix A – Hydrograph Appendix B – Photo Sheet Appendix C – Laboratory Analytical Report

FIGURES

NOTES

N

Last Saved: March 16, 2016 10:35:56 AM by ckramer Drawing path: N:\Portland\Projects\Lampros Properties\FIGURES\FEB16 SUMMARY.dwg

LEGEND

LAMPROS PROPERTIES 9040 NORTH BURGARD WAY PORTLAND, OREGON Report

FEBRUARY 2016 STORMWATER SAMPLING SUMMARY REPORT Drawing

SITE PLAN Date File Name

MARCH 2016 FEB16 SUMMARY

Scale

AS SHOWN

Project No. 108.00895.00002

Fig. No.

1

TABLES

Table 1.  Stormwater Analytical Results February 2016 Sampling Event Lampros Properties 9040 N. Burgard Way Portland, Oregon

Sample Location TSS (mg/L) Total Petroleum Hydrocarbons GRO DRO RRO TOC PCBs Aroclors Aroclor 1016 Aroclor 1221 Aroclor 1232 Aroclor 1242 Aroclor 1248 Aroclor 1254 Aroclor 1260 Aroclor 1262 Aroclor 1268 Total PCBs PAHs Anthracene Acenaphthene Acenaphthylene Benzo(a)anthracene Benzo(a)pyrene Benzo(b)fluoranthene Benzo(g,h,i)perylene Benzo(k)fluoranthene Chrysene Dibenz(a,h)anthracene Fluoranthene Fluorene Indeno(1,2,3‐cd)pyrene Naphthalene Phenanthrene Pyrene Total PAHs Metals Aluminum (pH 6.5 ‐ 9.0) Antimony   Arsenic  Cadmium Chromium, total Copper Lead Manganese Mercury Nickel Silver Zinc Phthalate Esters Bis (2‐ethylhexyl) phthalate Benzylbutyl phthalate Diethyl phthalate Dimethyl phthalate Di‐n‐butyl phthalate Di‐n‐octyl phthalate

Portland Harbor  SLV for Portland  PRG ‐ Protected  2 Harbor1 Water Uses ‐‐ ‐‐

Portland Harbor  PRG ‐ Direct  Contact/  2 Ingestion ‐‐

February 17, 2016 Stormwater Sampling Event On‐site Stormwater CB‐3‐Post

CB‐11‐Post

3

CB‐26

74

143

335

On‐site Average  184

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