"Solid" means a substance or mixture of substances that, whether whole or subdivided into particles, such as those comprising a powder, is not capable of visually detectable flow using the method in ASTM D-4359-90(2000)e1. The term does not include liquids or gels.
N.H. Code Admin. R. Env-A 4104.47
The amended version of this section by New Hampshire Register Volume 34, Number 50, eff.12/19/2014 is not yet available.