[Stoves] personal pollution monitors

[Frank Shields]

I’m thinking these are two different approaches. One estimates amount of particles but the microscope you can, in some cases, determine what percentage of the particles you are looking at are from what source.  Or at least get an idea. and also estimate size with the right slide. For asbestos it needed a length to width ratio to be called a fiber and above a certain length. Not sure if there are requirements for smoke particles but I believe using this procedure one could come up with one. 



 
Thanks

Frank
Frank Shields
Gabilan Laboratory
Keith Day Company, Inc.
1091 Madison Lane
Salinas, CA  93907
(831) 246-0417 cell
(831) 771-0126 office
fShields at keithdaycompany.com



franke at cruzio.com



> On Dec 23, 2016, at 8:46 AM, Andrew Heggie <aj.heggie at gmail.com> wrote:
> 
> On 23 December 2016 at 09:06, Frans Peeters <peetersfrans at telenet.be> wrote:
>> Dear Andrew,
> 
>> FOR THE AMATEUR :  An old CDROM DRIVE has the electro-optic components to
>> start with !
>> Laser and Se opto detector . Prisma lenses .
>>    A laptop and scope program comes next.
> 
> Lovely idea Frans but beyond my capabilities
> 
> 
>> A personal counter is like a Nuc dose  counter were the Si detector is
>> changed to opto Si PIN diode .
>> In a laser scatter set up .
> 
> That's precisely the analogy I was thinking of, in the 60s we had
> dosimeters which were small electroscopes built like a biro pen, they
> were charged each day and ionising radiation gradually discharged
> them. They had a miniature microscope with a calibrated scale from
> which the state of discharge could be read.
> 
> The same sort of thing that counted accumulated particles passing
> through it would do the job.
> 
> Frank's method is probably a bit too arcane for an amateur to use.
> 
> Andrew
> 
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