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Resilient Food Systems Infrastructure - Listening Session #1
Starts:
Tue, 07/18/2023 - 12:00 pm
Ends:
Tue, 07/18/2023 - 1:00 pm
MDA is a:
Sponsor
Presenter
Details:
This is the first of two virtual listening sessions we're hosting to collect public feedback on funding priorities for Minnesota's Resilient Food System Infrastructure (RFSI) program. The second is on July 26.
Partnering with the USDA, we will distribute $12.25 million through competitive grants for RFSI projects that invest in infrastructure to strengthen Minnesota's food supply chain. The result of these investments will be more and stronger markets for small farms and food businesses, as well as an increase in locally made value-added products for consumers throughout the state.
Eligible projects must be for food products including fruits and vegetables, dairy, grains for human consumption, aquaculture, and other food products (excluding meat or poultry). The project will also fund business development services for new and established food companies.
If you're unable to attend one of the listening sessions, you can complete the online Food Business Development Needs Survey available through July 31 on our Local and Regional Markets webpage.
Resilient Food Systems Infrastructure - Listening Session #2
Starts:
Wed, 07/26/2023 - 7:00 pm
Ends:
Wed, 07/26/2023 - 8:00 pm
MDA is a:
Sponsor
Presenter
Details:
This is the second of two virtual listening sessions we're hosting to collect public feedback on funding priorities for Minnesota's Resilient Food System Infrastructure (RFSI) program. The first was on July 18.
Partnering with the USDA, we will distribute $12.25 million through competitive grants for RFSI projects that invest in infrastructure to strengthen Minnesota's food supply chain. The result of these investments will be more and stronger markets for small farms and food businesses, as well as an increase in locally made value-added products for consumers throughout the state.
Eligible projects must be for food products including fruits and vegetables, dairy, grains for human consumption, aquaculture, and other food products (excluding meat or poultry). The project will also fund business development services for new and established food companies.
If you're unable to attend one of the listening sessions, you can complete the online Food Business Development Needs Survey available through July 31 on our Local and Regional Markets webpage.
Site History
The Roof Depot property located at 1860 East 28th Street, Minneapolis
As part of the city of Minneapolis’ AgVIC investigation, over 80 soil samples were collected from under the Roof Depot building and analyzed for arsenic. Of the samples analyzed, seven exceeded the Minnesota Pollution Control Agency’s arsenic Soil Reference Value (SRV) of 9 milligrams per kilogram (mg/kg). The seven samples exceeding the arsenic SRV are scattered around the site and have concentrations ranging from 15.5 to 174 mg/kg. Additional samples collected below these seven samples did not exceed the SRV. Soil with arsenic concentrations exceeding the SRV are limited to the top four feet of soil.
Soil Contamination
As part of the city of Minneapolis’ AgVIC investigation, over 80 soil samples were collected from under the Roof Depot building and analyzed for arsenic. Of the samples analyzed, seven exceeded the Minnesota Pollution Control Agency’s arsenic Soil Reference Value (SRV) of 9 milligrams per kilogram (mg/kg). The seven samples exceeding the arsenic SRV are scattered around the site and have concentrations ranging from 15.5 to 174 mg/kg. Additional samples collected below these seven samples did not exceed the SRV. Soil with arsenic concentrations exceeding the SRV are limited to the top four feet of soil.
The MDA has approved three proposed excavations within the Roof Depot building footprint to remove arsenic contaminated soil when the building and/or pavement are removed. These excavations would occur to depths of 2-5 feet below ground surface. The MDA estimates that approximately 4,000 cubic yards of arsenic contaminated soil would be removed. After the excavation of these three areas, confirmation samples would be collected from the sidewalls and bases of the excavations to ensure that soil with arsenic concentrations exceeding the SRV is removed. Clean backfill would be used to bring the excavation to grade. Arsenic-contaminated soil would be disposed of at the SKB Environmental Landfill in Rosemount, Minnesota, a permitted industrial waste landfill.
During excavation activities, several dust suppression methods would be used to minimize the generation and dispersion of dust. Contaminated soil would not be disturbed until the demolition of the building and other hardscapes are removed. If excavation does not occur immediately after building materials are removed, clean fill would be placed over contaminated soil. Excavation work would be completed in phases to minimize the amount of soil exposed at any given time. Excavated areas and exposed soils would be misted with water to curb the creation of dust. MDA staff would visit the site during the arsenic-contaminated soil excavation to ensure the process proceeds according to the MDA approved Response Action Plan. The MDA does not have regulatory authority over the demolition of the Roof Depot building; however, dust suppression methods would be used during the demolition of the building. Dust generated during building demolition is not expected to contain arsenic.
Proposed Arsenic Removal
The MDA has approved three proposed excavations within the Roof Depot building footprint to remove arsenic contaminated soil when the building and/or pavement are removed. These excavations would occur to depths of 2-5 feet below ground surface. The MDA estimates that approximately 4,000 cubic yards of arsenic contaminated soil would be removed. After the excavation of these three areas, confirmation samples would be collected from the sidewalls and bases of the excavations to ensure that soil with arsenic concentrations exceeding the SRV is removed. Clean backfill would be used to bring the excavation to grade. Arsenic-contaminated soil would be disposed of at the SKB Environmental Landfill in Rosemount, Minnesota, a permitted industrial waste landfill.
During excavation activities, several dust suppression methods would be used to minimize the generation and dispersion of dust. Contaminated soil would not be disturbed until the demolition of the building and other hardscapes are removed. If excavation does not occur immediately after building materials are removed, clean fill would be placed over contaminated soil. Excavation work would be completed in phases to minimize the amount of soil exposed at any given time. Excavated areas and exposed soils would be misted with water to curb the creation of dust. MDA staff would visit the site during the arsenic-contaminated soil excavation to ensure the process proceeds according to the MDA approved Response Action Plan. The MDA does not have regulatory authority over the demolition of the Roof Depot building; however, dust suppression methods would be used during the demolition of the building. Dust generated during building demolition is not expected to contain arsenic.
Groundwater below the Roof Depot site is contaminated with arsenic that originated from the CMC Site. Three temporary monitoring wells were installed at the Roof Depot site. The concentrations of arsenic in groundwater samples collected from these wells ranged from 29 micrograms per liter (ug/L) to 805 ug/L. The United States Environmental Protection Agency has set 10 ug/L as the Maximum Contaminant Level for arsenic in community water systems. The city of Minneapolis obtains its water from the Mississippi River; therefore, arsenic contaminated groundwater under the Roof Depot site does not impact the city’s drinking water supply.
