Hydrogen Peroxide and Bleach are oxidizers and I would doubt having a pressure relief valve on them would be as safe as having them on the flammables. I even noticed that now new gas cans for lawn mowers no longer have the small little vent cap to be removed when filling and pouring, it is built into the spout, in part for environmental reasons. Chris Suznovich > From: Todd> Reply-To: Todd > Date: Mon, 28 Sep 2009 12:41:04 -0700 > To: > Subject: Re: [DCHAS-L] Pressure-Generating Liquid > > This is a good point, > > Materials which can decompose, outgas, or volatilize will often have pres sure > relief caps if they are not flammable - most Bulk manufacturers install t hese > in the drums and IBCs used for transport, per DOT guidelines. However som e of > the repackagers fail to do this, I've observed. > > Two examples that come to mind are Hydrogen Peroxide and Bleach. > > Todd > > Todd Perkins > Airgas Mid AMerica > p3wt3r**At_Symbol_Here**charter.net > > --- On Mon, 9/28/09, List Moderator wrote: > >> From: List Moderator >> Subject: Re: [DCHAS-L] Pressure-Generating Liquid >> To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU >> Date: Monday, September 28, 2009, 2:23 PM >> From:=A0"Kohler, >> Chris E" >> Date:=A0September >> 28, 2009 3:19:02 PM EDT >> Subject:=A0RE: >> [DCHAS-L] Pressure-Generating Liquid >> >> Formic acid will >> decompose to form carbon monoxide and water and can >> over-pressurize the container. I have heard that some >> manufacturers are installing pressure relief caps >> now.Chris
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