[Stoves] Particulate Matter Norms
rajan_jiby at dataone.in
rajan_jiby at dataone.in
Sat Aug 25 12:18:29 CDT 2012
The logic sounds good.
If the unit for PM is mg/MJ, does it make a difference ?
Best Regards,
Rajan
----- Original Message -----
From: Crispin Pemberton-Pigott
To: rajan_jiby at dataone.in
Cc: Stoves ; Sujatha Srini
Sent: Saturday, 25 August, 2012 10:27 PM
Subject: Re: Particulate Matter Norms
That number on its own has no meaning if it is for the total emission because there is no volume total and mass burned. If it is alone, the number can only refer to an indoor air concentration and even then, there is an assumed air change rate for the room.
That is why it is not clear. The sentence with that number will have to read in the context of the rest of the standard. There is of course the possibility that the standard has working that is a bit defective. It happens...
Best regards
Crispin
------------------------------------------------------------------------------
From: rajan_jiby at dataone.in
Date: Sat, 25 Aug 2012 22:18:02 +0530
To: <crispinpigott at gmail.com>
ReplyTo: rajan_jiby at dataone.in
Cc: Stoves<stoves at lists.bioenergylists.org>; Sujatha Srini<sujatha.srini at gmail.com>
Subject: Re: Particulate Matter Norms
May be we could look at both the figures.
Practically, we are more serious regarding indoor air pollution ( IAP ) - air sample drawn from a hood above the working stove ( without any attached chimney ).
Regards,
Rajan
----- Original Message -----
From: Crispin Pemberton-Pigott
To: rajan_jiby at dataone.in
Cc: Stoves ; Sujatha Srini
Sent: Saturday, 25 August, 2012 09:12 PM
Subject: Re: Particulate Matter Norms
Is that for LEAKAGE from a closed stove or the emissions total?
Crispin
----------------------------------------------------------------------------
From: rajan_jiby at dataone.in
Date: Sat, 25 Aug 2012 17:34:30 +0530
To: Crispin Pemberton-Pigott<crispinpigott at gmail.com>
ReplyTo: rajan_jiby at dataone.in
Cc: <stoves at lists.bioenergylists.org>; Sujatha Srini<sujatha.srini at gmail.com>
Subject: Particulate Matter Norms
Dear Crispin,
Bureau of Indian Standards ( BIS ) gives 2 mg/m3 as the upper limit for particulate matter ( PM ) emissions from a wood stove.
Could you please help me with the Norms set by WHO for PM from a wood stove ? Are the Norms a little more liberal ?
Regards,
Rajan
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