Maryland Environment Section 7-701
§ 7-701.
  (a)   In this subtitle the following words have the meanings indicated.
  (b)   (1)   "Facility" means a location in the State in which a hazardous material is stored, dispensed, used, or handled.
    (2)   "Facility" does not include:
      (i)   A railroad, rail train, or rail car regulated under 49 U.S.C. Subtitle IV, Part A; or
      (ii)   A retail distributor whose principal business is to sell or offer for sale, at the retail level, commercial fertilizer intended for agricultural use.
  (c)   (1)   "Hazardous material" means a regulated substance as defined in 40 C.F.R. 68.130 in excess of the threshold quantity specified in that regulation.
    (2)   "Hazardous material" does not include a substance that is exempt or excluded under 40 C.F.R. 68.125 and 40 C.F.R. 68.126.