Agricultural Tarps:
Per: http://www.epa.gov/soil-fumigants/tarps-approved-use-dimethyl-disulfide-dmds-products
*Soil fumigant products containing the active ingredient DMDS require use of the specific tarps listed below. No buffer credits are provided for the use of these tarps because buffer zones on DMDS labels are based on the use of these required tarps. In Florida, there is a subset listed below of specific tarps which must be used for all DMDS applications.
******
Per: http://californiaagriculture.ucanr.edu/landingpage.cfm?article=ca.v067n03p125&fulltext=yes
*The emissions reduction team tested a new kind of tarp that has five or more layers to help keep fumigants in the soil. This multi-layer tarp, called totally impermeable film (TIF), traps 90% of the fumigant. Over time, the trapped fumigant breaks down or is degraded into harmless compounds by microbes. TIF also boosts the fumigant's concentration in soil and helps it spread through the field better, making this treatment more effective. “This might cut fumigant use by about half, which would solve a lot of problems,” says Suduan Gao, a USDA soil scientist in Parlier who led the team.
The high-tech tarp also has a potential downside, though. A spike of toxic gas is released if the TIF is cut open for planting before the fumigant has broken down, which can take two weeks or more depending on the soil conditions, and the application method and rate. “We're now working on safe use,” Gao says. “The goal is to keep the fumigant under the tarp long enough that there won't be a surge in emissions.”
******
Concern: Residents that live around the fields have seen tarps that were placed down with torn portions in them shortly after they were put down. Who besides the residents are monitoring if these tarps in place correctly and not torn? Residents have pictures to show that this has happened.
Concern: Residents that live around the fields have photographs and video of fields flooding not long after the fumigation process. The tarps have been blown off. Why are residents not informed of the chemicals being released when this happens? Many RUP should be tarped for 21 days to trap the toxic chemicals. If these tarps are compromised, ripped, blown off or flooded within a matter of days of fumigation what impact is that having on the residents living within feet of these fields?
Per: http://www.epa.gov/soil-fumigants/tarps-approved-use-dimethyl-disulfide-dmds-products
*Soil fumigant products containing the active ingredient DMDS require use of the specific tarps listed below. No buffer credits are provided for the use of these tarps because buffer zones on DMDS labels are based on the use of these required tarps. In Florida, there is a subset listed below of specific tarps which must be used for all DMDS applications.
******
Per: http://californiaagriculture.ucanr.edu/landingpage.cfm?article=ca.v067n03p125&fulltext=yes
*The emissions reduction team tested a new kind of tarp that has five or more layers to help keep fumigants in the soil. This multi-layer tarp, called totally impermeable film (TIF), traps 90% of the fumigant. Over time, the trapped fumigant breaks down or is degraded into harmless compounds by microbes. TIF also boosts the fumigant's concentration in soil and helps it spread through the field better, making this treatment more effective. “This might cut fumigant use by about half, which would solve a lot of problems,” says Suduan Gao, a USDA soil scientist in Parlier who led the team.
The high-tech tarp also has a potential downside, though. A spike of toxic gas is released if the TIF is cut open for planting before the fumigant has broken down, which can take two weeks or more depending on the soil conditions, and the application method and rate. “We're now working on safe use,” Gao says. “The goal is to keep the fumigant under the tarp long enough that there won't be a surge in emissions.”
******
Concern: Residents that live around the fields have seen tarps that were placed down with torn portions in them shortly after they were put down. Who besides the residents are monitoring if these tarps in place correctly and not torn? Residents have pictures to show that this has happened.
Concern: Residents that live around the fields have photographs and video of fields flooding not long after the fumigation process. The tarps have been blown off. Why are residents not informed of the chemicals being released when this happens? Many RUP should be tarped for 21 days to trap the toxic chemicals. If these tarps are compromised, ripped, blown off or flooded within a matter of days of fumigation what impact is that having on the residents living within feet of these fields?
