Emission limits.
Baltimore City Code, Health Code, § 8-116
in effect§ 8-116. Emission limits.
(a) For Mercury and Sulfur Dioxide.
Each facility must meet the following pollution limits:
(1) Mercury: | 15 micrograms per dry standard cubic meter (μg/dscm) corrected at 7% O2
(2) Sulfur Dioxide (SO2): | 18 parts per million dry volume (ppmvd) corrected at 7% O2 (24 hour geometric mean)
(b) Limits for Dioxins/Furans and Nitrogen Oxides.
Starting January 1, 2022, in addition to the limits imposed by subsection (b) of this section, each facility must meet the following pollution limits:
Dioxins/Furans (PCDD/F): | 2.6 nanograms TEQDF-WHO98 per dry standard cubic meter (ng/dcsm) corrected at 7% O2
Nitrogen Oxides (NOx): | 45 parts per million dry volume (ppmvd) corrected at 7% O2 (24 hour block arithmetic mean) 40 parts per million dry volume (ppmvd) corrected at 7% O2 (12 month rolling average)
(Ord. 19-232.)
Source: City of Baltimore Department of Legislative Reference, City of Baltimore Law Library (codes.baltimorecity.gov; Open Law Library bulk XML)URL: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/health/8-116Fetched: 10/25/2026