Part Env-A 104 - DEFINITIONS: M THROUGH R
- Section Env-A 104.01 - Major fuel company
- Section Env-A 104.02 - Major source
- Section Env-A 104.03 - Malfunction
- Section Env-A 104.04 - Manufactured gas
- Section Env-A 104.05 - Maximum achievable control technology (MACT)
- Section Env-A 104.06 - Minor permit amendment
- Section Env-A 104.07 - Minor permit modification
- Section Env-A 104.08 - Mobile source
- Section Env-A 104.09 - Modification
- Section Env-A 104.10 - Motor vehicle
- Section Env-A 104.11 - Mutagenic
- Section Env-A 104.12 - National Ambient Air Quality Standards (NAAQS)
- Section Env-A 104.13 - New source
- Section Env-A 104.15 - New Source Review (NSR)
- Section Env-A 104.16 - Nitrogen Oxide (NOx)
- Section Env-A 104.17 - Non-attainment area
- Section Env-A 104.18 - Non-conforming fuel
- Section Env-A 104.19 - Non-ferrous foundry
- Section Env-A 104.20 - Nuisance
- Section Env-A 104.21 - Occupational exposure limit (OEL)
- Section Env-A 104.22 - Off-permit change
- Section Env-A 104.23 - Opacity
- Section Env-A 104.24 - Owner or operator
- Section Env-A 104.25 - Ozone (O[3])
- Section Env-A 104.26 - Particulate matter
- Section Env-A 104.27 - Permit deviation
- Section Env-A 104.28 - Permitting authority
- Section Env-A 104.29 - Person
- Section Env-A 104.30 - Plant
- Section Env-A 104.31 - PM[10]
- Section Env-A 104.32 - Pollution control equipment
- Section Env-A 104.33 - Portland cement plant
- Section Env-A 104.34 - Potential to emit
- Section Env-A 104.35 - Prevention
- Section Env-A 104.36 - Prevention of Significant Deterioration (PSD)
- Section Env-A 104.37 - Process
- Section Env-A 104.38 - Process weight
- Section Env-A 104.39 - Process weight rate
- Section Env-A 104.40 - Proposed permit
- Section Env-A 104.41 - Pulp and paper industry
- Section Env-A 104.42 - Reasonable
- Section Env-A 104.43 - Reasonable further progress
- Section Env-A 104.44 - Reasonably available control technology (RACT)
- Section Env-A 104.45 - Records
- Section Env-A 104.46 - Reference concentration limit
- Section Env-A 104.47 - Regulated air pollutant
- Section Env-A 104.48 - Regulated toxic air pollutant
- Section Env-A 104.49 - Repowering
- Section Env-A 104.50 - Reproductive effect
- Section Env-A 104.51 - Research and development (R & D) operation
- Section Env-A 104.52 - Reserve
- Section Env-A 104.53 - Responsible official
- Section Env-A 104.54 - Revoke