[Lex Computer & Tech Group/LCTG] COVID levels in wastewater

[Tony]

Is this one of those discussions that should be pursued "off-List", and 
preserve the main list for programmatic issues only?

Tony

============

On 1/15/23 5:33 PM, Alan Millner wrote:
> I  live in Lexington.
> Lexington does not allow street runoff into the sanitary sewer lines.
> Most streets with curbside drains also have separated sewer lines. I 
> would say all of them, but I have not examined all of them.
> Alan Millner
> amillner at alum.mit.edu
> 781-862-7893
> 48 North St., Lexington MA 02420
>
>
>
> On Jan 15, 2023, at 5:12 PM, David Lees <joeoptics at gmail.com> wrote:
>
> Ted,
> Could you please post the plots of hospitalization rates for the mwra 
> districts on top of The Biobot plots of covid in Deer Island data to 
> back up your statement about "noise".  Runoff doesn't seem like it 
> should be noise.  Further, what is the magnitude of water runoff 
> dilution as a fraction of signal?
>
> Thanks.
>
> David Lees
> Tab S8+
>
> On Sun, Jan 15, 2023, 2:45 PM Ted Kochanski <tedpkphd at gmail.com> wrote:
>
>     John,
>
>     There is a big problem with this data being compared over long
>     periods of time
>     Some of the waste water includes surface run-off and some mostly
>     doesn't
>     hence, since the y axis is a concentration of virus in the water
>     -- if the amount of "active water" from households is diluted by
>     surface run-off because of recent rain or even more complicating
>     melting snow mixed with recent rain -- how can you tell?
>
>     I suggest that the data suggests that last year there was a real
>     spike and that recently there is just "noise" in the system
>
>     Ted
>
>
>     On Fri, Jan 13, 2023 at 8:17 PM <jjrudy1 at comcast.net> wrote:
>
>         Don’t worry about the y-axis, just the shape of the curve. 
>         The article gave no indication as to what is “good”.  In the
>         later graph look at the winter spikes.  The big problem was a
>         year ago.
>
>         <image001.png>
>
>         <image002.png>
>
>         John Rudy
>
>         781-861-0402
>
>         781-718-8334 cell
>
>         13 Hawthorne Lane
>
>         Bedford MA
>
>         jjrudy1 at comcast.net
>
>         <image003.png>
>
>         ===============================================
>         ::The Lexington Computer and Technology Group Mailing List::
>         Reply goes to sender only; Reply All to send to list.
>         Send to the list: LCTG at lists.toku.us     Message archives:
>         http://lists.toku.us/pipermail/lctg-toku.us/
>         To subscribe: email lctg-subscribe at toku.us To unsubscribe:
>         email lctg-unsubscribe at toku.us
>         Future and Past meeting information: http://LCTG.toku.us
>         <http://lctg.toku.us/>
>         List information: http://lists.toku.us/listinfo.cgi/lctg-toku.us
>         This message was sent to tedpkphd at gmail.com.
>         Set your list options:
>         http://lists.toku.us/options.cgi/lctg-toku.us/tedpkphd@gmail.com
>
>     ===============================================
>     ::The Lexington Computer and Technology Group Mailing List::
>     Reply goes to sender only; Reply All to send to list.
>     Send to the list: LCTG at lists.toku.us     Message archives:
>     http://lists.toku.us/pipermail/lctg-toku.us/
>     To subscribe: email lctg-subscribe at toku.us To unsubscribe: email
>     lctg-unsubscribe at toku.us
>     Future and Past meeting information: http://LCTG.toku.us
>     <http://lctg.toku.us/>
>     List information: http://lists.toku.us/listinfo.cgi/lctg-toku.us
>     This message was sent to joeoptics at gmail.com.
>     Set your list options:
>     http://lists.toku.us/options.cgi/lctg-toku.us/joeoptics@gmail.com
>
> ===============================================
> ::The Lexington Computer and Technology Group Mailing List::
> Reply goes to sender only; Reply All to send to list.
> Send to the list: LCTG at lists.toku.us      Message archives: 
> http://lists.toku.us/pipermail/lctg-toku.us/
> To subscribe: email lctg-subscribe at toku.us  To unsubscribe: email 
> lctg-unsubscribe at toku.us
> Future and Past meeting information: http://LCTG.toku.us
> List information: http://lists.toku.us/listinfo.cgi/lctg-toku.us
> This message was sent to armillner48 at gmail.com.
> Set your list options: 
> http://lists.toku.us/options.cgi/lctg-toku.us/armillner48@gmail.com
>
>
> ===============================================
> ::The Lexington Computer and Technology Group Mailing List::
> Reply goes to sender only; Reply All to send to list.
> Send to the list:LCTG at lists.toku.us       Message archives:http://lists.toku.us/pipermail/lctg-toku.us/
> To subscribe: emaillctg-subscribe at toku.us   To unsubscribe: emaillctg-unsubscribe at toku.us
> Future and Past meeting information:http://LCTG.toku.us
> List information:http://lists.toku.us/listinfo.cgi/lctg-toku.us
> This message was sent togalaitsis at verizon.net.
> Set your list options:http://lists.toku.us/options.cgi/lctg-toku.us/galaitsis@verizon.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.toku.us/pipermail/lctg-toku.us/attachments/20230115/4789db54/attachment.htm>