"Liquid" means a substance or mixture of substances that is capable of a visually-detectable flow using the method in ASTM D-4359-90(2000)e1. The term does not include powders or other materials that are composed entirely of solid particles.
N.H. Code Admin. R. Env-A 4103.56
The amended version of this section by New Hampshire Register Volume 34, Number 50, eff.12/19/2014 is not yet available.