EPA Clean Air Act and EU IED Compliance for Steel Plants

The Title V ACC requires the responsible official to certify, for each permit condition, whether the facility was in compliance for the preceding calendar year. This certification must be based on the monitoring, recordkeeping, and reporting data accumulated during the year — not on a general assertion of compliance. OxMaint provides the structured record base for ACC preparation: CEMS uptime percentage (calculated from PM work order completion records and downtime event logs), deviation count and total duration by source (from deviation work order history), PM completion rate for permit-required maintenance activities (from scheduled vs completed work order data), and performance test currency (from performance test tracking PM events). The ACC data package is assembled from OxMaint's reporting module in a single export covering the calendar year — eliminating the end-of-year document reconstruction that creates data gaps and accuracy risks in manually maintained compliance records. Set up your Title V compliance record program in OxMaint — free trial.

EU IED BAT compliance is demonstrated not only by meeting Emission Limit Values on measurement days, but by the operational evidence that the Best Available Techniques were implemented and maintained throughout the permit period. For iron and steel plants, this means documenting that de-dusting systems were maintained to sustain their capture efficiency, that monitoring systems were calibrated and operational during the relevant periods, that deviation events were investigated and corrected promptly, and that the plant's Environmental Management System was actively operated. OxMaint provides this operational evidence through its asset-linked PM records, CEMS calibration histories, deviation-to-corrective-action chains, and control equipment maintenance records — all organised per regulated source and accessible in the format that EU competent authorities request during IED inspections and permit renewals. Book a demo to see IED BAT evidence records in OxMaint.

Yes. Steel plants operating under multiple regulatory frameworks — a US facility subject to a Title V permit, applicable NESHAP subparts under 40 CFR Part 63, and state implementation plan requirements — or a European facility subject to an IED permit, national transposition requirements, and E-PRTR reporting obligations — manage each applicable requirement as a separate compliance record category within OxMaint. Each regulated emission source is tagged with its applicable permit reference and regulatory framework. PM schedules, monitoring requirements, and record retention periods are configured per the applicable requirement. When a source is subject to both a NESHAP standard and a Title V permit condition for the same emission point (a common situation), OxMaint manages the records under the more stringent requirement, with the applicable regulatory reference documented against each record entry. The compliance dashboard shows record currency status across all applicable frameworks simultaneously.

Under EU IED Article 8, facilities must immediately notify the competent authority of any incident or accident significantly affecting the environment, and must take all measures to limit environmental impacts. For operational ELV exceedances from pollution control system degradation or failure, the permit typically defines a reporting window (commonly 2–10 working days depending on member state transposition and permit conditions). OxMaint's deviation management workflow generates an exceedance work order when a monitored parameter or CEMS reading exceeds its ELV threshold, with automatic timestamp, exceedance magnitude, and affected source documented. The linked corrective action work order tracks the investigation and repair sequence. The permit reporting deadline is a milestone within the corrective action work order, ensuring the notification obligation is met within the required window. The complete exceedance-to-notification-to-resolution record is maintained in the regulated source's asset history, supporting both the initial report and any subsequent inspection review of the event.

US Clean Air Act Title V permits for steel plants typically contain specific permit conditions for pollution control equipment maintenance — baghouse inspection intervals, ESP maintenance requirements, scrubber operational parameter ranges, and hood ventilation static pressure monitoring requirements. These are permit conditions with independent compliance obligations, not just good maintenance practice. OxMaint structures PM schedules to align with permit condition requirements, scheduling work orders at the intervals specified in the permit rather than (or in addition to) manufacturer-recommended intervals. Each PM completion is recorded as a timestamped work order entry with the permit condition reference stored against the activity. When the EPA or state inspector reviews permit compliance for a specific condition, the OxMaint record for that condition provides the complete PM history demonstrating compliance with the required frequency and scope. Configure your permit-aligned PM schedule in OxMaint — free trial.

The IED BAT conclusions for iron and steel production identify implementation of an Environmental Management System (EMS) as a BAT-associated measure. The EMS scope for steel plants covers: an environmental policy, an environmental objectives and targets programme, procedures for identifying and managing significant environmental aspects, a monitoring and measurement programme for environmental performance, procedures for non-conformance and corrective action, an internal audit programme, and management review of environmental performance. OxMaint's CMMS provides the operational infrastructure for several of these EMS components: the monitoring and measurement programme (PM schedules for CEMS and parametric monitoring), the corrective action procedures (deviation-to-corrective-action work order chain), the internal audit programme (compliance PM audit work orders), and the management review data (compliance rate reports and deviation frequency trend reports). While OxMaint is not an EMS software platform, it generates the maintenance and monitoring records that substantiate EMS implementation in practice — the evidence that inspectors and permit renewal auditors examine.

OxMaint's monitoring records — CEMS data entered via PM work orders, parametric monitoring logs, and operational parameter records — provide a structured record base that supports annual emissions report preparation for both EU E-PRTR and US EPA Toxic Release Inventory (TRI) submissions. While OxMaint is not a dedicated emissions calculation platform, the PM work order records provide the underlying data on control device operational hours, uptime percentage, and monitoring data completeness that are required inputs to emissions calculation methodologies. For facilities that calculate reportable emissions from material input data (scrap charge, fuel consumption, raw material usage), OxMaint's operational event records (heat counts, production records, maintenance downtime periods) provide the operational context data that validates or contextualises the calculation. Environmental teams at OxMaint-managed facilities consistently report faster and more accurate annual report preparation compared to assembling data from paper-based records. Schedule a demo to see how OxMaint supports annual reporting data assembly.

Specialist environmental compliance platforms track permit conditions, monitoring data, and reporting calendars — but they are separate from the maintenance system that generates the underlying records (CEMS calibration work orders, control equipment PM, corrective action documentation). The result is two systems that must be reconciled: the environmental compliance platform records what should have been done, and the maintenance system (or paper records) show what was actually done. OxMaint integrates the maintenance record generation directly with the compliance record structure — every PM work order is both a maintenance instruction and a compliance record entry. The CEMS calibration that the compliance platform tracks as a required activity is executed and documented in OxMaint as a work order, with the result stored in the same system. This eliminates the reconciliation burden and ensures that the compliance record reflects operational reality — not a cleaned-up version assembled from multiple sources for the annual report. For steel plants considering both options, OxMaint delivers compliance record value from day one without the integration project that connecting a separate environmental platform to a separate maintenance system requires. Start your integrated compliance record program in OxMaint — free trial available.