Properties

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Presenter: Mark Drozdov, SSM - Trb-adc60.org

Properties

• Odorless, tasteless, clear to yellow

viscous liquids

• High heat resistance

• Non-flammable

• Chemically stable

• Electrical insulation properties

• Toxic


2011 TRB Workshop 6

Project Background

• First Camp Withycombe range built in 1909.

• Expanded to seven ranges.

• Use of ranges discontinued in 2007.

• Oregon DEQ was lead regulatory agency.

• Other Stakeholders include ODOT, ODFW, USFWS,

Clackamas County, SHPO, DSL, and USACE


Importance of Addressing PCBs

• Renovation & demolition projects

• Property purchase & sale

• Excavations


Addressing PCBs

• Review property history

• Sampling & analysis of suspect materials

• Identification of potential contamination

sources

• Investigation of possible contamination


Removal

• Containment

• Dust Suppression

• Non Abrasive Methods

• Personal Protective Equipment (PPE)

• Waste/Disposal


Soil Contamination

• Identify and Inspect Soil

Areas

• Identify Source of

Contamination

• Perform Delineation

Sampling

• Remove PCB-Impacted Soil

• Engineering Controls

• Community Air Monitoring

Plan

• Perform Post Excavation

Sampling


Important Limits & Thresholds

• Concentrations over 50 ppm in bulk

material = NYS Hazardous Waste

• Concentrations between 1 and 50 ppm in

soil = PCB Remediation Waste

• OSHA Permissible Exposure

Limit = 1 mg/cubic meter

• Recommended Soil Clean-Up Objective =

1 ppm (TAGM 4046)


Regulatory References

• 40 CFR 761

(http://www.ehso.com/Regfiles/2001CFR761.pdf

)

• Toxic Substance Control Act (TSCA)

(http://frwebgate.access.gpo.gov/cgi-

bin/usc.cgi?ACTION=BROWSE&TITLE=15USCC53

=BROWSE&TITLE=15USCC53)

• Technical and Administrative Guidance Memorandum (TAGM)

4046

(http://www.dec.ny.gov/regulations/2612.html)

• Test Methods for Evaluating Solid Waste, Physical/Chemical

Methods (SW-846)

(http://www.epa.gov/osw/hazard/testmethods/sw846/pdfs/8082a.pdf)

(http://www.epa.gov/osw/hazard/testmethods/sw846/index.htm

)

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