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Thread: PEPCON chemical plant explosion - GIF

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    PEPCON chemical plant explosion - GIF

    Pacific Engineering and Production Company of Nevada (PEPCON) chemical plant explosion in 1988. The plant manufactured ammonium perchlorate used in rocket boosters. The disaster claimed two lives, injured 372, and caused $100 million in property damage.


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    Last edited by Altair; Oct 16, 2021 at 01:44 AM.

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    There was also some fuel added to nearly 4000 metric tons of oxidizer:
    assuming a welding-caused small fire start and subsequent ignition of a natural gas leak from a 30+ years old pipeline running below,
    which then ruptured from the first blast adding LNG to the last blasts.
    "The facility also had a 16-inch (41 cm) high-pressure gas transmission line running underneath it,
    carrying natural gas at 300 psi (2.1 MPa) gauge pressure."

    Yield was 1 TJ, or equivalent to 1/4 kT of TNT,
    putting it at # 11 amongst the largest accidental (non-nuclear) man-made explosions (yet).

    About half of the Beirut explosion in Aug, 2020 (getting in at # 6).

    3.5 on the Richter Earth Quake magnitude (logarithmic) scale.

    Last edited by DIYSwede; Oct 16, 2021 at 03:03 AM.

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    Altair (Oct 16, 2021), bruce.desertrat (Oct 16, 2021), mwmkravchenko (Oct 16, 2021), that_other_guy (Oct 16, 2021), verticalmurph (Oct 16, 2021)

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    Wow, Just Wow.Is that a shock wave you see going across the ground?
    I have a 1972 Land Rover Series III Truck Cab/Pick-Up and a 1962 Land Rover Series 2a Carawagon Camper.

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    Supporting Member Hoosiersmoker's Avatar
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    Quote Originally Posted by Fluffle-Valve View Post
    Wow, Just Wow.Is that a shock wave you see going across the ground?
    Yes and it took 10 seconds to reach the camera

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