346a(d), to amend 40 CFR part 180.444 by establishing a tolerance for residues of the fungicide sulfur dioxide (determined as (SO2)), in or on the raw agricultural commodity fig at 1.5 parts per million ... SO2 + H2O → H2SO3.
EPA published (78 FR 47191) the initial sulfur dioxide (SO2) nonattainment area designations for the 1-hour SO2national ambient air quality standard (NAAQS) across the country (effective October 4, 2013).