Recommendations in the report covered sharing of information about hazards at scenes such as fireworks and about risks faced by firefighters, and also guidelines on the use of firefighters' helmets, gloves, fire hoods, and eye and hearing protection.

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The law is designed to keep dangerous materials, such as dynamite, fireworks and gunpowder, out of the hands of terrorists--at least, that's the plan.

FORBES: The Two-Month Window

To prevent this from occurring, firearms manufacturers have the opportunity to implement distribution safeguards, common across many of the industries that manufacture products that can cause harm (such as explosives, fireworks, and pharmaceuticals).

CNN: Gun makers, help keep weapons out of criminals' hands

Get to know the map, decide what your must-see attractions are and find out about special events such as shows, character parades, fireworks and laser displays.

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Four states Massachusetts, New York, New Jersey and Delaware ban fireworks entirely, while four others allow only novelty items such as wire sparklers.

WSJ: Range of Laws Govern Retail Fireworks Purchases

Some of them, such as Kenwood in Hampstead are famous for summer concerts that are often accompanied by fireworks.

BBC: Park Life

The explosive power of consumer fireworks is governed by federal law, which since the 1960s has banned powerful firecrackers with names such as M-80s and cherry bombs.

WSJ: Range of Laws Govern Retail Fireworks Purchases

Julie Heckman, executive director of the fireworks' trade group, said if authorities determine that consumer fireworks were used in the bombings, the industry would be willing to discuss additional security measures, such as better tracking of purchasers.

WSJ: Range of Laws Govern Retail Fireworks Purchases