Whenever any blasting powder shows a state of disintegration or decomposition sufficient so that it remains in a soft condition in a temperature of 32 degrees Fahrenheit, or is in a state of crystallization, which is revealed by some portions being in a hard condition and surrounded by other portions in a soft condition, it shall be deemed bad and dangerous powder, and its sale and use is prohibited.
ORS 480.020
Known as the Boiler and Pressure Vessel Law
The act spans §§ 480–480 (117 sections).
Official source: Oregon State Legislature. Reproduced from public-domain Oregon statutes; confirm against the official source for the current text. Not legal advice.