Code of Federal Regulations Title 40. Protection of Environment § 40.75.44 Timeliness criteria

To demonstrate timeliness equal to or better than the continuous emission monitoring system, the owner or operator shall demonstrate that the alternative monitoring system can meet the requirements of subparts F and G of this part;  can provide a continuous, quality-assured, permanent record of certified emissions data on an hourly basis;  and can issue a record of data for the previous day within 24 hours.