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**Title 20 District of Columbia Municipal Regulations CHAPTER 6 PARTICULATES**  **604 OPEN BURNING** 604.1 Open fires shall be prohibited, except as otherwise provided by § 604.2. 604.2 Open fires may be permitted for one (1) or more of the following reasons or purposes: (a) The performance of an official duty by any public health or public safety officer, after notification to the Mayor; (b) Prevention of a fire hazard which cannot be abated by other means; (c) Instruction of public fire fighters under the supervision of a designated fire marshal; (d) Recreational purposes, including the cooking of food for human consumption on other than commercial premises; or (e) Providing warmth for construction or other workers by use of Salamander heaters or other heating devices approved by the Mayor. **SOURCE:** Section 3 of the District of Columbia Air Pollution Control Act of 1984, D.C. Law 5

- 165 (D.C. Act 5
- 230) published at 32 DCR 565, 609 (February 1, 1985). **605 CONTROL OF FUGITIVE DUST** 605.1 Reasonable precautions shall be taken to minimize the emission of any fugitive dust into the outdoor atmosphere. The reasonable precautions shall include, but not be limited to, the following: (a) In the case of unpaved roads, unpaved roadways, and unpaved parking lots; (1) Use of binders, chemicals, or water in sufficient quantities and at sufficient frequencies to prevent the visible emission of dust due to the movement of vehicles or of the wind; and (2) Prompt clean

- up of any dirt, earth, or other material from the vicinity of the road, roadway, or lot which has been transported from the road, roadway, or lot due to anthropogenic activity or due to natural forces. (b) In the case of paved roads, paved roadways, and paved parking lots: Maintenance of the road, roadway, lot, or paved shoulder in a reasonably clean condition through reasonably

frequent use of water, sweepers, brooms, or other means, through reasonably

frequent removal of accumulated dirt from curb

- side gutters, through reasonably

prompt repair of paveme nt, or through any other means; (c) In the case of vehicles transporting dusty material or material which is likely to become dusty : (1) Fully covering the material in question, with a tarpaulin or other material; and (2) Operation, maintenance, and loa ding of the vehicle, distribution of the loaded material on or in the vehicle, and limiting the quantity of material loaded on or in the vehicle, so that there will be no spillage of the material onto the roads; (d) In the case of vehicles which accumulat e dirt on the wheels, undercarriages, and other parts of the vehicle, due to the movement of the vehicle on dusty, dirty or muddy surfaces: Water washing of all of the dirty parts of the vehicle to thoroughly

### 2 remove the dirt before or immediately after the vehicle leaves the dusty, dirty, or muddy surface; (e) In the case of the demolition of buildings or structures: Use, to the extent possible, of water; (f) In the case of removal of demolition debris which is dusty or likely to become dusty : Use of wate r to thoroughly wet the material before moving or removing the material and keeping it wet or otherwise in a dust

- free condition until eventual disposal; (g) In the case of loading and unloading of dusty material and in the case where dry sand

- blasting or dry

abrasive cleaning is necessary: Use of enclosed areas or hoods, vents, and fabric filters. If it is shown to the satisfaction of the Mayor that use of enclosed areas, hoods, vents, and fabric filters is not possible, alternate control techniques accep table to the Mayor and designed to minimize the emissions to the extent possible shall be utilized; and (h) In the case of stockpiles of dusty material: Use, where possible, of closed silos, closed bins or other enclosures which are adequately vented to f abric filters. Where the use of closed silos, closed bins, or other enclosures is not possible, thorough wetting of the material before loading onto the stockpile and keeping the stockpile wetted, covered, or otherwise in a non

- dusty condition. 605.2 The emission of fugitive dust from the following is prohibited: (a) Any material handling, screening, crushing, grinding, conveying, mixing, or other industrial

ty pe operation or process; (b) Heater

- planers in repairing asphaltic concrete pavements; (c) Portable tar

- melters, unless close

- fitting lids, in good repair, for the tar

- pots are available and are used; (d) The ventilation of any tunnelling operation; or (e) The cleaning of exposed surfaces through the use of compressed gases. 605.3 All persons s hall comply with the provisions of this section and those of the Soil Erosion and Sedimentation Control Act of 1977 (D.C. Law 2
- 23). 605.4 In those circumstances where it is not possible to comply with specific provisions of both this section and the Soi l Erosion and Sedimentation Control Act of 1977 (D.C. Law 2
- 23), the provisions of the Soil Erosion and Sedimentation Control Act of 1977 (D.C. Law 2
- 23), shall prevail. **SOURCE:** Section 3 of the District of Columbia Air Pollution Control Act of 1984, D.C . Law 5
- 165 (D.C. Act 5
- 230) published at 32 DCR 565, 610 (February 1, 1985).
**CHAPTER 8 ASBESTOS, SULFUR AND NITROGEN OXIDES**  **801 SULFUR CONTENT OF FUEL OILS**  **801.1** The purchase, sale, offer for sale, storage, transport, or the use of, fuel oil which contains mo re than one percent (1%) sulfur by weight in the District is prohibited, if the fuel oil is to be burned in the District. SOURCE: Section 3 of the District of Columbia Air Pollution Control Act of 1984, D.C. Law 5
- 165 Section 802.32 DCR 565, 645 (February 2005)