Mass. Gen. Laws ch. 21H, § 6G: Purchase of elemental mercury, mercury compounds and mercury-added equipment and materials by schools

Section 6G. No school in the commonwealth shall purchase for use in a primary or secondary classroom elemental mercury, mercury compounds or mercury-added instructional equipment and materials, except measuring devices and thermometers for which no adequate nonmercury substitute exists that are used in school laboratories. This section shall not apply to the sale of mercury-added lamps or those products whose only mercury-added component is a mercury-added lamp or lamps.