Is Your Air Permit Strategy Ready for NJDEP’s New SOTA Standards?

New Jersey’s air quality has improved over the decades. However, occasional smog and elevated particle levels still pose potential risks to public health. In December 2023, the New Jersey Department of Environmental Protection (NJDEP) introduced updated State-of-the-Art (SOTA) standards to strengthen progress and address these issues.

The changes in the SOTA standards impose stricter emission limits on industrial engines used by factories. This includes both compression and spark ignition reciprocating internal combustion engines. Meeting the latest standards for emission limits requires a detailed evaluation of industry equipment and careful planning to secure or renew air permits.

Facilities with compression ignition engines must now adhere to more stringent emission limits for pollutants. Key pollutants include nitrogen oxides (NOx), carbon monoxide (CO), total suspended particulate matter (TSP), Nonmethane Hydrocarbons (NMHC), and ammonia slip (NH3). The updates in emission limits reflect an effort to reduce emissions that impact public health and the environment.

Furthermore, diesel-powered engines used in industrial compressors, material-handling machines, and municipal or utility pumps may no longer comply with the revised pollutant emission thresholds. To maintain NJDEP air permit compliance, facilities operating these engines can install advanced emission control technologies like selective catalytic reduction systems or oxidation catalysts.

The updated SOTA manual expands emission monitoring standards in addition to emission limits. Under the revised SOTA regulations, facilities must conduct stack testing every five years and maintain detailed logs on industry engine operation and fuel use. Furthermore, records must be kept accessible for NJDEP inspection. These changes in monitoring standards can lead to additional compliance challenges for operators with older engine models or those not designed for consistent emissions control.

An NJ air permit consultant can help facilities evaluate the current operations of engines and recommend practical upgrades. With the latest regulatory requirements, enlisting expert help and support can identify compliance gaps, prioritize improvements, and guide facilities through the air permit application process. A qualified consultant can also provide technical and regulatory insight required to maintain air permit compliance and keep operations aligned with New Jersey’s updated standards and changing environmental regulations.

For more details about managing compliance under NJDEP’s revised air quality standards, check this infographic by Lockatong Engineering.