Categorical Exclusion Determinations: Legacy Management

Field Studies to include Installing Groundwater Monitoring Wells, Obtaining Groundwater and Sediment Samples, Land Surveys, Measuring Surface Water Discharge, and Conducting Miscellaneous Field Activities Near the Former Riverton, Wyoming, Processing S...
Operations, Maintenance, Repairs, Modifications, and Ongoing CERCLA Remedy-Related Actions and Site Facility Support Activities for the Monticello, Utah, Sites CX(s) Applied: B1.3, B1.11, B1.24, B1.26, B1.33, B2.5, B3.1, B6.1Date: 03/31/2015 Location(s...
Obtain Subsurface Soil Samples from Five Locations on the San Juan River Floodplain near Shiprock, New Mexico, Disposal Site. CX(s) Applied: B3.1Date: 03/26/2015 Location(s): New MexicoOffices(s): Legacy Management
Maintenance and Related Activities at the Burris Park, California Site CX(s) Applied: B1.3, B1.11, B1.24, B3.1, B6.1Date: 03/11/2015 Location(s): CaliforniaOffices(s): Legacy Management
Installation and Redevelopment of Groundwater Monitoring Wells at the Salmon, Mississippi Site CX(s) Applied: B3.1Date: 08/26/2014Location(s): MississippiOffices(s): Legacy Management
Vapor Intrusion Mitigation Pilot Study and Potential Full-Scale Sub-Slab Depressurization System Design/Build for Building 100 at the Pinellas County, Florida Site in Largo, Florida CX(s) Applied: B3.1, B6.1, B6.2 Date: 07/10/2014 Location(s): Florida...
Vapor Intrusion Mitigation Pilot Study and Potential Full-Scale Sub-Slab Depressurization System Design/Build for Building 100 CX(s) Applied: B3.1, B6.1, B6.2 Date: 07/10/2014 Location(s): Florida Offices(s): Legacy Management
Storm Shelter Installation and Related Activities at the Weldon Spring, Missouri, Site CX(s) Applied: B1.15, B3.1 Date: 06/11/2014 Location(s): Missouri Offices(s): Legacy Management
Abandon Five Test Holes and Remove Contaminated Soils from Associated Well Pads at the Chariot, Alaska Site CX(s) Applied: B3.1, B6.1 Date: 05/15/2014 Location(s): Alaska Offices(s): Legacy Management