# Environment (GEN)

## Title 6. Toxic, Carcinogenic, and Flammable Substances

### Subtitle 9. Mercury

#### Section 6-905

(a) In this part the following words have the meanings indicated.

(a-1) "Electric relay" means a product or device that opens or closes electrical contacts to effect the operation of other devices in the same or another electrical circuit.

(a-2) "Electric switch" means a product or device that opens or closes an electrical circuit.

(a-3) "Gas valve switch" means a product or device that opens or closes a gas valve.

(b) "Manufacturer" means a person that:

  (1) Produces a product;

  (2) For a multicomponent product, produces or assembles the final product; or

  (3) Serves as an importer or domestic distributor of a product produced outside of the United States.

(c) "Marketer" means a person that manufactures, assembles, sells, distributes, affixes a brand name or private label to, or licenses the use of a brand name on:

  (1) A fever thermometer containing mercury;

  (2) A thermostat containing mercury;

  (3) An electric switch containing mercury or a product component with an electric switch containing mercury;

  (4) An electric relay containing mercury or a product component with an electric relay containing mercury; or

  (5) A gas valve switch containing mercury or a product component with a gas valve switch containing mercury.

(d) "Mercury-added product" means any of the following products if containing elemental mercury or a mercury compound that has been added to the product for any reason:

  (1) Dyes or pigments; and

  (2) Fluorescent lamps.

(e) "Motor vehicle" has the meaning stated in Sec. 11-135 of the Transportation Article.

(f) "Reclamation facility" means a site:

  (1) Where equipment is used to recapture mercury from mercury-added fluorescent lamps for the purpose of recycling or reusing the mercury; or

  (2) That collects mercury-containing components from mercury-added fluorescent lamps for the eventual recapture and recycling or reuse of the mercury.

(g) "Thermostat" means a device that regulates temperature in an enclosed area by controlling heating, cooling, or ventilation equipment.

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Md. Code Ann., Envir. (as displayed at mgaleg.maryland.gov, October 16, 2026)