ENVIRONMENTAL ODDITIES From Here to There, and There to Here… PESTICIDES CAN BE FOUND ANYWHERE!...

ENVIRONMENTAL ODDITIES

From Here to There, and There to Here…PESTICIDES CAN BE FOUND ANYWHERE!

Prepared By:Jeffrey Sotek, PE, CSP, [email protected]

HRP Associates, Inc.Creating the Right Solutions Together

Presented to:

Newport, Rhode Island

June 11, 2012

HRP Associates, Inc.

Pesticide Use

The "first generation" pesticides Largely highly toxic compounds,

such as arsenic, mercury and hydrogen cyanide.

The "second generation" pesticides

Largely included synthetic organic compounds, such as dichlorodiphenyltrichloroethane or DDT, Atrazine, Chlordane, Dieldrin


Two Case Studies

SITE A—STICKY SITUATION(Former Beverage Supplier)

SITE B—PESTICIDE SURPRISE(Former Dry Cleaner)


Site A – “A Sticky Situation”Former Beverage Supplier

Phase I had been performed by other consultant Several Areas of Concern identified

including:• Gasoline USTs• Possible Fuel Oil UST• Former Machine Shop OHM use• Service garage use

HRP initially retained to complete Phase II ESA Activities


Site A – “A Sticky Situation” Former Beverage Supplier

Soil and groundwater samples were collected (Petroleum Hydrocarbons, VOCs, and metals were found), past release were identified, the USTs were removed, and soil was excavated

Contaminated Soil sent off-site to Phoenix Environmental for disposal



Disposal characterization identified pesticides in UST grave soils - CHLORDANE

Subsequent testing identified that pesticides were found along the perimeter of the building.

Additional research was conducted and identified that the beverage supplier sprayed pesticides along the building perimeter to control ants getting into the soda syrups that were stored on-site.


Site A – “A Sticky Situation Former Beverage Supplier

WHAT HAPPENED? The buyer’s consultant and bank

requested $750,000 for cleanup under a state remediation program.

In an attempt to salvage the relationship, HRP called a meeting of all involved parties, including the owner, buyer, other consultants, attorneys, and both real estate agents.



A mutually agreed upon cleanup approach was eventually negotiated

The transaction proceeded Accessible soils were

partially removed and capped

Inaccessible soils remained in place

A notification of the limited remaining impacts was filed on the land records

The site remained out of the state Transfer Act program

In the end…


Site B – “Pesticide Surprise” Former Dry Cleaner

Another consultant conducted Phase I and II ESAs at a Historic Mixed Land Use (Appliance Store, Grocery Store and Residence, Dry Cleaner) for seller

Several underground storage tanks of varying sizes were discovered

UST were removed, some petroleum contaminated soils identified and excavated



There was no evidence of traditional dry cleaning solvent (PCE) But instead a mineral spirit-like cleaner (Stoddard

Solvent) was found. HRP retained by buyer who desired to

redevelop property HRP completed:

Review of previous work Addition investigations to expand on previous

consultant’s due diligence



HRP’s research revealed that during the post World War II era, dry cleaning facilities would offer “Moth Proofing” of woolen garments which involved using DDT in the cleaning solution of the dry cleaning.



The identification of this historic practice was able to explain the presence of comingled solvent and pesticides at the site, and complete the conceptual site model explaining the origin and distribution of soil and groundwater impacts.


Site B – “Pesticide Surprise” Former Dry Cleaner In the End…

By correlating the pesticides with a specific source, the investigation design was well focused

Resulted in a cost effective assessment program The well documented model for the site led to

the acceptance of the site investigation and remedial actions at the site by the state environmental agency

And…


Site B – “Pesticide Surprise” Former Dry Cleaner In the End…

A Successful transfer and redevelopment of the property for a lending institution


Thank You

Jeffrey R. Sotek, PE, CSP, CIHRegional ManagerHRP Associates, Inc.Tel: 508-407-0009

E: [email protected]

ENVIRONMENTAL ODDITIES From Here to There, and There to Here… PESTICIDES CAN BE FOUND ANYWHERE!...

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Transcript of ENVIRONMENTAL ODDITIES From Here to There, and There to Here… PESTICIDES CAN BE FOUND ANYWHERE!...