Mass. Gen. Laws ch. 21H, § 6D: Sale of mercury-added thermostats and other mercury-added products

Section 6D. (a) No person shall sell or offer to sell or distribute a mercury-added thermostat in the commonwealth.

(b) No person shall sell or offer to sell or distribute in the commonwealth the following mercury-added products:

(1) barometers;

(2) esophageal dilators, bourgie tubes or gastrointestinal tubes;

(3) flow meters;

(4) hydrometers;

(5) hygrometers or psychrometers;

(6) manometers;

(7) pyrometers;

(8) sphygmomanometers; or

(9) basal thermometers.

(c) Subsections (a) and (b) shall not apply: (i) to the sale of mercury-added products if the use of the product is a federal requirement; (ii) to the sale of thermometers if they are determined to be medically necessary by a licensed physician or are ordered by prescription, or (iii) to the sale of mercury-added antique barometers, including antique barometers with attached mercury thermometers, if the barometer was manufactured prior to 1955.