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Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 1 to Subpart TTTTT of Part 63: Table 1 to Subpart TTTTT of Part 63—Emission Limits

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Where this section sits in the code
  1. Title 40—Protection of Environment
  2. CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
  3. SUBCHAPTER C—AIR PROGRAMS
  4. PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  5. Subpart TTTTT—National Emissions Standards for Hazardous Air Pollutants for Primary Magnesium Refining

As required in § 63.9890(a), you must comply with each applicable emission limit in the following table:

For . . . You must comply with each of the following . . .

1. Each spray dryer stack a. You must not cause to be discharged to the atmosphere any gases that contain particulate matter in excess of 100 lbs/hr; and

b. You must not cause to be discharged to the atmosphere any gases that contain hydrochloric acid in excess of 200 lbs/hr.

2. Each magnesium chloride storage bins scrubber stack a. You must not cause to be discharged to the atmosphere any gases that contain hydrochloric acid in excess of 47.5 lbs/hr and 0.35 gr/dscf; and

b. You must not cause to be discharged to the atmosphere any gases that contain PM10 in excess of 2.7 lbs/hr and 0.016 gr/dscf.

3. Each melt/reactor system stack a. You must not cause to be discharged to the atmosphere any gases that contain PM10 in excess of 13.1 lbs/hr; and

b. You must not cause to be discharged to the atmosphere any gases that contain hydrochloric acid in excess of 7.2 lbs/hr; and

c. You must not cause to be discharged to the atmosphere any gases that contain chlorine in excess of 100 lbs/hr; and

d. You must not cause to be discharged to the atmosphere any gases that contain 36 ng TEQ/dscm corrected to 7% oxygen.

4. Each launder off-gas system stack a. You must not cause to be discharged to the atmosphere any gases that contain particulate matter in excess of 37.5 lbs/hr; and

b. You must not cause to be discharged to the atmosphere any gases that contain hydrochloric acid in excess of 46.0 lbs/hr; and

c. You must not cause to be discharged to the atmosphere any gases that contain chlorine in excess of 26.0 lbs/hr.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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