# COMAR Title 26 — Department of the Environment

## Subtitle 11 — Air Quality

### Chapter 12 — Control of Batch Type Hot-Dip Galvanizing Installations

#### Regulation .03 Prohibitions and Exemptions.

*COMAR 26.11.12.03*

A. Except as provided in §B of this regulation, a person operating a batch type hot-dip galvanizing installation is prohibited from:

  (1) Using ammonium chloride (sal ammoniac) in prefluxes and top fluxes except where it is contained in a prepackaged flux compound of which the ammonium chloride content does not exceed 69 percent; and

  (2) Applying a flux to a galvanized end product (dusting).

B. A person operating a batch-type hot dip galvanizing installation using an emission control device approved by the Department is exempt from the requirements of §A of this regulation if the visible emissions requirement in Regulation .04 of this chapter is met.