# COMAR Title 20 — Public Service Commission

## Subtitle 55 — Service Supplied by Gas Companies

### Chapter 08 — Quality of Service

#### Regulation .01 Purity Requirements.

*COMAR 20.55.08.01*

All gas supplied to customers shall be substantially free of impurities which may cause corrosion of mains or piping or form corrosive or harmful fumes when burned in a properly designed and adjusted burner.