Chamber and LDGP systems shall be constructed using the type of sand specified in the most current version of the manufacturer's design manual that has been approved by the department in accordance with Env-Wq 1024.
N.H. Code Admin. R. Env-Wq 1016.06
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08