7 Apr
2005
7 Apr
'05
10:04 a.m.
More from Boreal Brewers on CO2.
----- Forwarded by Allan V Boyce/MN/USB on 04/07/2005 10:03 AM -----
"Mike Norden"
04/06/2005 08:33 PM
To
cc
Subject
Re: Home brewing and carbon monoxide
The college is required to have mandated levels of fresh air which is
very good. Usually at least 15 CFM/person (occupant load). Houses in MN
are also required to have .35 air exchanges/hr. Unfortunately the code
is not enforced much out of the Metro areas (northwoods, independent,
don't tell us what to do attitude). The air inside your home is at
least twice as bad as the outside air and on average 5 times worse than
the air outside. Hence, we are suffering from unprecedented levels of
Asthma, Allergies and other respiratory ailments.
Move it outside is absolutely correct! But this only solves this small
piece of the bigger puzzle. Get fresh air in your homes!!!!!!!
and for that matter every place you work and play. Mikey
Steve Benson wrote:
Move it outside and use a tukey cooker size burner.
I've been teaching brewing classes in Grand Rapids, in a lab at the
community college. On brewing nights, we have two turkey cooker
burners going with two batches of beer. We keep one window open, and
the classroom door open, and my CO detector has never ticked up off of
zero.
- Steve Benson
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On Apr 3, 2005, at 7:32 PM, Harvey & Frannie Tjader wrote:
> I have a carbon monoxide detector in my dining room. It reads "0"
> all the time, except this morning while I was cooking up a batch of
> IPA, when I noticed it read 56 ppm.
>
> I brew on the kitchen gas range in a 20 quart kettle. My guess is
> that the wide base of the kettle and the fact that the heat is
> turned up to the max results in incomplete combustion.
>
> I opened a few windows and turned on the exhaust fan over the range
> and the detector reading went down into the high 30s to mid 40s. A
> few minutes after I shut the heat off, the reading returned to zero.
>
> I'm going to look for a way to raise the brewpot a bit higher from
> the range top and see if that solves the problem.
>
> A CO level of 50 is the highest permissible level for an adult to
> be exposed to over an 8 hour period, according to OSHA.
>
> Harvey
>