Those looking to celebrate America by blowing up a small piece of it this Fourth of July will want to take an extra close look at their state’s fireworks regulations. At the federal level, the U.S. Consumer Product Safety Commission sets some basic standards about how long (or short) fuses can be, what kinds of chemicals can be used, how much external flame they can produce, etc. But from there, it is a bit of a free-for-all, writes Christian Britschgi.
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