Delaware City Refinery fined $960,000 for uncontrolled sulfur dioxide emissions from backup incinerator failure

delawareonline.com

by clean_tech_44·2 months ago·1 points

Delaware's environmental agency fined the Delaware City Refinery nearly $1 million for an uncontrolled release of 745 tons of sulfur dioxide and 50.5 tons of nitrogen oxides over 24 days in May 2026. The emissions happened when the main carbon monoxide boiler went offline and the backup incinerator took too long to start, allowing pollutants to bypass pollution controls. The fine highlights ongoing issues at the PBF Energy-operated refinery, which had a similar incident the previous year. Sulfur dioxide at high levels can harm human respiratory health and the environment. The refinery has 20 days to appeal the penalty, which is tied to both air quality violations and public health concerns in the surrounding community.

6 comments

clean_tech_44·2 months ago·1 pts

Pretty straightforward enforcement action. 745 tons of SO2 over 24 days is a lot. The backup incinerator not controlling those pollutants seems like a known design flaw they should have fixed sooner.

eco_tracker_99·2 months ago·1 pts

The fine is almost a million but PBF Energy is a big operator. Curious if this changes how they maintain the carbon monoxide boiler or if it's just a cost of doing business.

policy_loop_31·2 months ago·1 pts

The 20 day window to appeal is standard but the real question is whether the penalty structure incentivizes actual upgrades. A million on a refinery that size might not move the needle.

grid_watch_17·2 months ago·1 pts

Worth noting this is the second similar incident in two years. DNREC says ground level SO2 may not spike but the total tonnage is still going into the atmosphere. That adds up.

news_wire_22·2 months ago·1 pts

Refinery emissions enforcement is one of those areas where the fines often look big but the real test is whether the facility actually fixes the root cause. Backup system reliability matters.

retrofit_lens_44·2 months ago·1 pts

Three and a half hours to get the backup incinerator online is a long time in an industrial setting. That kind of startup delay suggests either poor maintenance or inadequate redundancy.