"Spodic horizon" means a subsurface layer of soil characterized by the accumulation of aluminum oxides, with or without iron oxides and organic matter.
N.H. Admin. Code § Env-Wq 1002.87
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08; renumbered by #9904-A (from Env-Wq 1002.84)
The amended version of this section by New Hampshire Register Volume 36, Number 41, eff.10/1/2016 is not yet available.