\n(b) No person shall sell or offer to sell or distribute in the commonwealth the following mercury-added products:\n(1) barometers;\n(2) esophageal dilators, bourgie tubes or gastrointestinal tubes;\n(3) flow meters;\n(4) hydrometers;\n(5) hygrometers or psychrometers;\n(6) manometers;\n(7) pyrometers;\n(8) sphygmomanometers; or\n(9) basal thermometers.\n(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.
Massachusetts Legal Code