Questão jurídica principal
Whether the sanitation order for the boiler and heating system due to excessive NOx emissions was lawful
Decisão extraída
The sanitation obligation was lawful because the measured emissions exceeded the applicable limits and the operator did not prove compliance after later maintenance.
Fundamentação extraída
The court relied on the measured NOx values, the operator's duty to cooperate, and the need for new measurements to substantiate the claimed improvement.