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Explosives R&D and Technical Support for Establishing Explosives Research Laboratories

What Laboratories Must Know About Regulatory Compliance and Scale-Up By Petr Explosives Group | Practical Explosives Training School (PETS) Research laboratories working with energetic materials in Colorado operate in a…

How to Log Explosives in Your Magazine 📦

How to Log Explosives in Your Magazine During Delivery and Daily Use Accurate explosive logging is not optional — it is a legal requirement and a core part of professional…

Inventory Doesn’t Match Your Magazine? Here’s What You Must Do Immediately

If your inventory does not match the explosives physically inside the magazine, you must treat it as a serious compliance and safety issue. Below is a clear, professional breakdown for…

MMonthly Explosive Inventory Made Simple

Using the PETS Toolbox Inventory Calculator For licensed blas For licensed blasters, explosive inventory is not optional — it is a regulatory requirement. Whether you operate under ATF regulations, state…

How to Calculate Loading Density (lbs/ft or kg/m) with the PETS Toolbox Calculator

Loading density (sometimes called linear charge concentration) is one of the fastest ways to sanity-check a loading plan, document what was actually loaded, and communicate clearly between the blaster, loader,…

5 Things to Know Before Your Blaster Exam

Becoming a licensed blaster isn’t just about passing a test—it’s about proving you have the knowledge and discipline to work safely with explosives. Whether you’re preparing for your Colorado and…