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  2. Fireworks policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Fireworks_policy_of_the...

    Class 1.3G (Fire, Minor Blast:Pyrotechnics) UN0335 Fireworks (Most Display Fireworks) Current federal law states that without appropriate ATF license/permit, the possession or sale of any display/professional fireworks is a felony punishable by up to 5 years in prison. Any ground salute device with over 50 milligrams of explosive composition.

  3. Explosives shipping classification system - Wikipedia

    en.wikipedia.org/wiki/Explosives_shipping...

    Class 1: Explosives. Division 1.1: Explosive that has a mass explosion hazard. A mass explosion is a detonation of almost entire load instantaneously. Division 1.2: Goods and Substances without a mass explosion hazard, but with a projection (shrapnel/fragmentation). Division 1.3: Goods and substances with a mass fire hazard, and a minor, blast ...

  4. HAZMAT Class 1 Explosives - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_1_Explosives

    HAZMAT Class 1 Explosives. US Army trucks laden with ammunition, displaying a Class 1.1D Explosives placard on the front. Hazmat Class 1 are explosive materials which are any substance or article, including a device, which is designed to function by explosion or which, by chemical reaction within itself is able to function in a similar manner ...

  5. Butadiene - Wikipedia

    en.wikipedia.org/wiki/Butadiene

    1,3-Butadiene (/ ˌ b juː t ə ˈ d aɪ iː n /) [8] is the organic compound with the formula CH 2 =CH-CH=CH 2. It is a colorless gas that is easily condensed to a liquid. It is a colorless gas that is easily condensed to a liquid.

  6. Flammability limit - Wikipedia

    en.wikipedia.org/wiki/Flammability_limit

    Lower flammability limit (LFL): The lowest concentration (percentage) of a gas or a vapor in air capable of producing a flash of fire in the presence of an ignition source (arc, flame, heat). The term is considered by many safety professionals to be the same as the lower explosive level (LEL). At a concentration in air lower than the LFL, gas ...

  7. Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania

    Pennsylvania (/ ˌ p ɛ n s ɪ l ˈ v eɪ n i ə / ⓘ PEN-sil-VAY-nee-ə, lit. ' Penn's forest country '), officially the Commonwealth of Pennsylvania [b] (Pennsylvania Dutch: Pennsylvanie), [7] is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.

  8. Butler, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Butler,_Pennsylvania

    Butler is a city and the county seat of Butler County, Pennsylvania, United States. [ 4] It is 35 miles (56 km) north of Pittsburgh and part of the Greater Pittsburgh region. As of the 2020 census, the population was 13,502. Butler is named after Major General Richard Butler, who died in the Battle of the Wabash in 1791.

  9. Harrisburg, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Harrisburg,_Pennsylvania

    Harrisburg ( / ˈhærɪsˌbɜːrɡ /, Pennsylvania German: Harrisbarrig) is the capital city of the U.S. commonwealth of Pennsylvania and the seat of Dauphin County. With a population of 50,099 as of 2020, Harrisburg is the ninth-most populous city in Pennsylvania. It is the larger principal city of the Harrisburg–Carlisle metropolitan ...