Mandatory 50 mg/Nm³ Compliance for Boilers & Furnaces in Delhi-NCR:

What CAQM Direction No. 98 Means for Your Plant — and How to Get There The Central Pollution Control Board does not normally tell you which technology to use for emission control. Direction No. 98 from CAQM is different. It not only sets the particulate matter (PM) limit — 50 mg/Nm³, uniform, mandatory — it references specific technology guidance from IIT Kanpur that names which APCD type suits which industrial source. For plants operating boilers, thermic fluid heaters, or metal furnaces in t