From: Ernest Lippert <ernielippert**At_Symbol_Here**TOAST.NET>
Subject: [DCHAS-L] Beach Explosion
Date: Mon, 27 Jul 2015 12:12:24 -0400
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
BUILT UP GAS LIKELY CAUSED MYSTERIOUS R.I. BEACH EXPLOSION
Tags: us_RI, public, follow-up, injury, hydrogen
Question: How does sand, seawater, copper, and goo produce enough hydrogen to create an explosion? What is the normal concentration of hydrogen one might expect to find in a sandy beach? The LEL and HEL for hydrogen are 4.0 and 45.0 %. Then, there is always the need for an ignition source. Interesting problem!
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