RRF Dioxin Emissions Back Below Limits After Repairs
DEPApr 10, 2026
FromStatement - Montgomery County, MD
Email“Statement from the Montgomery County Department of Environmental Protection on Resolution of Emission Exceedances at County's Resource Recovery Facility”
ReceivedApr 10, 2026
Reworld Montgomery, Inc. completed repairs and refurbishment on all three boiler units at Montgomery County's Resource Recovery Facility (RRF), with post-repair dioxin/furan test results confirmed well below the regulatory permit limit of 30 ng/dscm @ 7% O₂ — Units 1, 2, and 3 tested at 1.33, 0.89, and 1.43 respectively. The Montgomery County Department of Environmental Protection (DEP) announced the results on April 10, 2026, following exceedances that prompted repairs. DEP has engaged a risk assessor to evaluate potential public health impacts, with an initial contextual document expected in April 2026 and a final assessment anticipated in fall 2026.
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Key dates
2026-01-22
event — Unit 3 compliance test conducted
2026-02-25
event — Unit 1 compliance test conducted
2026-03-17
event — DEP received final test results for Units 1 and 3
2026-03-17
event — Unit 2 compliance test conducted
2026-04-07
event — DEP received final test results for Unit 2
2026-04-10
effective — DEP public statement issued on resolution of emission exceedances
2026-04-30
deadline — Initial DEP document on EPA dioxin/furan limits and context expected by end of April
2026-09-22
deadline — Final risk assessment anticipated to be released in fall 2026
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