[Stoves] Fwd: [stove and climate] Personal PM exposure journals
Paul Anderson
psanders at ilstu.edu
Fri Nov 18 11:00:55 CST 2016
Stovers,
I found the message below about air quality to be extremely
interesting. It comes from Kirk Smith's Google Group, which is "stove"
(without the final s in our Stoves Listserv.) The address is at the
end if you want to subscribe to it. (only a few messages per month,
without discussion back and forth.)
Paul
Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: psanders at ilstu.edu
Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
-------- Forwarded Message --------
Subject: [stove and climate] Personal PM exposure journals
Date: Fri, 18 Nov 2016 08:35:49 -0800
From: Kirk Smith <krksmith at berkeley.edu>
To: 'Kirk Smith' <krksmith at berkeley.edu>
Two trips, within and going out of India. Note nearly 3 orders
magnitude difference in exposure rates at different points. I suppose
the very clean aircraft air is partly due to good filtering, but also
because of clean outside air at 36,000 ft/k
[Using what is turning out to be a nicely functioning portable monitor
reading in ug/m3 of PM2.5 (The Oceans, made in Hong Kong and retailing
for $120 in Delhi). /Sorry to those who do not usually frame PM2.5
numbers in your head—remember the WHO level is 10 in these units, US
standard is 12, and India’s is 40. These are annual levels to stay
healthy based on somewhat different criteria in each case.}/
//
_Domestic trip in India: Chennai to Delhi_
Hotel room in Chennai on awakening: 36
At breakfast meeting in hotel: 56
Outdoors waiting for car: 85
In cab on the way to airport (no AC): 70
At entrance to terminal: 80
In terminal: 55
In plane before take off: 50
At take-off, it slowly declined and by the time the seatbelt light went
off it was 1 (yes 1 and probably actually near zero since the device has
no zero reading)
1 for entire flight and only drifted up to 5 when taxing to terminal in
Delhi
When plugged into ground power and full AC on the plane started up again – 1
When door opened, it started to move up and in the jetway 210
Baggage area: 180
Outdoors 250
Taxi (no AC) 210
Outside our flat: 280
Inside flat with two air cleaners going: 120
_Delhi to Toronton to SFO_
Wake up in morning: 420 in living room, moved air cleaners from bedroom
Web indicated nearby ambient monitor had reached over 600 during night
After two hours, it came down outside to about 260 outside and about 65
in the flat
Gave away our air cleaners to friends in early eve and the level inside
rose to about 200
Get into taxi at 9:30 when it was 290 outsides
Inside airport it was about 90
Went to 1 during the rise to flight altitude after takeoff and stayed
there for 14 hours
6 in the jetway in Toronto
1-3 in various parts of the Toronto terminal.
Note, the web showed the nearest government ambient monitor to read 21
Jetway 6
Flight to SFO: 1
SFO terminal: 3
Outdoors at terminal 10
Home in Berkeley 5
Web indicate nearest ambient monitor at 17
----------------------------------------------------------------------
Kirk R. Smith, MPH, PhD <krksmith at berkeley.edu
<mailto:krksmith at berkeley.edu>>
Professor of Global Environmental Heath
University of California
Berkeley, CA 94720-7360
Visiting Scholar
Indian Institute of Technology Delhi
Distinguished Honorary Professor
Sri Ramachandra University Chennai
Delhi cell: (91) 99-5873-8713
http://www.kirkrsmith.org/
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