Explosives used for snow blasting have a shelf life for how many seasons?

• A. 2 seasons
• B. 3 seasons
• C. 1 season
• D. Indefinite shelf life

Answer: (C)

Shelf life of blasting materials is about reliability and safety over time. Snow blasting powders can slowly degrade with age, exposure to moisture, temperature changes, and handling. As materials age, their performance becomes unpredictable, and the risk of misfires or unexpected detonation can rise. To keep results consistent and maintain safety, these materials are treated as usable for a single season and should be replaced after the season ends. That’s why one season is the correct choice. Extending beyond a single season would assume the material remains reliable despite aging, and claiming an indefinite life ignores how chemical stability can deteriorate over time.