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EPA MACT and NESHAP Rule Limits for Portland Cement Existing and New Source Standards
| Pollutant source standard | Existing source standard | New |
|---|---|---|
| Mercury | 55 lb/MM tons clinker | 21 lb/MM tons clinker |
| THC | 24 ppmvd | 24 ppmvd |
| PM | 0.07 lb/ton clinker (3-run test average) | 0.02 lb/ton clinker (3-run test average) |
| HCL | 3 ppmvd | 3 ppmvd |
| Organic HAP (alternative to total hydrocarbons) | 12 ppmvd | 12 ppmvd |
