WH Desvousges & associates, inc (environmental images)

NRDA

project location site type
Clark Fork River NRDA

Montana

Mining waste

NRDA for the Exxon Valdez Oil Spill Prince William Sound, Alaska Recreation/nonuse values/commercial fishing
Fox River NRDA Green Bay, Wisconsin Recreational fishing losses from PCB advisories and restoration projects
Lavaca Bay Cooperative Assessment Point Comfort, Texas Recreational fishing losses from mercury closure and restoration projects
Saginaw River/Bay NRDA Michigan Recreational fishing and other use service losses from PCB advisories
Massena NRDA New York Recreational fishing losses and cultural service losses
Housatonic River NRDA Massachusetts, Connecticut Recreational fishing losses from PCB advisories
South Valley New Mexico Groundwater losses from various chemicals
Martinez Oil Spill Martinez, California Recreational fishing and boating losses; wetlands losses; and commercial fishing
Tampa Bay Oil Spill Tampa, Florida Recreational losses
Kalamazoo Kalamazoo, Michigan Recreational fishing losses
Critique of Groundwater NRDA Lakehurst, New Jersey

Groundwater

Affidavit on NRDA principles and procedures Bayonne, New Jersey
Linden, New Jersey
Groundwater and other human use and ecological services
Critique of Groundwater NRDA Higgins Farm Superfund Site
Somerset County, New Jersey

Groundwater

Onondaga Lake NRDA

Syracuse, New York

Recreational use losses from mercury closure and advisory and potential restoration projects
Lake Hartwell, NRDA South Carolina Peer review of recreational use service losses and potential restoration projects
Nestucca Oil Spill

Washington

Recreation and nonuse losses from oil spill
Gasconade River Oil Spill

Missouri

Recreation losses from oil spill

Russian River

Healdsburg, California

Potential recreation and other human service losses from a formaldehyde release
American Trader Oil Spill

Huntington Beach, California

Peer Review of recreation losses



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Property Valuation

Class Certification Cases

location/client constituents of concern status

Colorado / Schlage Lock

PCE in groundwater

Class certified

Oklahoma / PRP Group (includes: ASARCO, Doe Run, Blue Fields, and Gold Tee) Lead-mining wastes in various media, including: air and surface water

Pending

Alabama / Olin Corp. Mercury releases in various media, including: fish, surface water, and air

Certification denied

Alabama / Syngenta Corp. DDT and dioxin in various media, including: fish, surface water, and air

Expert discovery

West Virginia / DuPont, et al. Zinc, arsenic, and cadmium in various media, including: air, surface water, and groundwater Expert discovery


Classes and/or Mass Actions Certified

location/client constituents of concern method results court outcome

California / Olin Corporation

Perchlorate

Repeat sales regression approach

No stigma damages when subject area compared to control Jury found no damages
New Mexico / GE VOCs and benzene

Regression approach

No stigma damages when subject area compared to control Federal judge granted defendants’ summary judgment on property value claim
South Carolina / Exxon Mobil VOCs and benzene

Regression approach

No damages using corrected form of plaintiff's model and corrected data Case settled


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Classes and/or Mass Actions Certified

location/client constituents of concern expert/method status/outcome

Mississippi / Koppers

Creosote

Robert Simons CV survey as plaintiff's damages

Expert discovery

Mississippi /
Kerr-McGee and Johnson Electric

Creosote and TCE

Bill Mundy CV study and Robert Simons CV study

Kerr McGee settled and Johnson Electric is in trial and preparation
Mississippi / Kuhlman Electric

PCBs

Bill Mundy CV study

Litigation ongoing on health issues; property values to be decided later
Indiana / Chevron and BP VOCs and benzene

Commercial damages to motel and restaurant; Critique of CV survey

Arbitrated settlement

Indiana / General Motors

PCBs

Tillema Case study

Litigation ongoing

South Carolina / ExxonMobil VOCs and benzene Critique of Robert Simon’s CV study including a verbal protocol study showing bias and flaws

Settlement

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