1) Coffee filters..
2) 4 mason jars
3) Ethanol alcohol (5th of Everclear 190 proof)
4) Pure filtered water
5) video or photographic camera for process documentations)
6) pen and paper (no pencil) for journal keeping (write dates, and time, down to the seconds, in 00:00:00 fashion)
7) Two Pair of tweezers
8) Rubbing alcohol (for sterilizing the tweezers)
9) box of disposable latex/alternate to latex gloves (box of 40 preferable)
10) post office mailing box (big enough to fit your journal in, with a little wiggle room left for the recording mediums you used)
"Visibly and by Writing".. Document EVERY SINGLE STEP FROM HERE ON OUT"
Grab a pair of gloves, put them on..
Take the jars, and cut out circles from the filters, to a little over the diameter of the mouth of the jar itself, (lose the center capping piece from the jars lids for now by placing them in a separate bag, mark date and time, sign bag) and replace the caps (with the filters under the lid) place these in a sealed large zip bag for now, and mark the date and time on the bag itself, sign the bag, and lock away in an isolated storage area (do not go back into this area for the entire time of the experiment, until needed in finishing the experiment)..
Next (when a heavy spray begins) pour the bottle of ethanol into one of the two remaining jars, and the purified water into the other (using separate gloves for each jar)..
Leave the center portion of the cap off each jars lid (also having placed them in a separate zip bag and placed date/time and signed the bag as well), and place the jars, at a distance of 10 to 20 feet apart form each other, and at least 10 to 15 feet off the gorund (preferably on opposite side of the house) and remember to place your actions in the journal, while photographing/videoing the actions taken..
Wait 24 hours (to the second), to retrieve the jars from their perches, then take each jar you retrieved, and (after having unsealed the bag with the jars ready for filtering) and pour each contents of each jar, into each respectively marked jar you just unsealed from the bag with the filter in top (i.e. alcohol to alcohol, purified water to purified water, using separate glove for each jar being poured into of course)
Pour "slowly" and steadily (keep the volume of flow rate, the same for both if you can)..
When done.. take one of the bags with the remaining portions of the lids, and "reseal" the containers you poured from (using fresh gloves for each jar handled).. grab another zip bag, and place those jars (now sealed) into the fresh bag (using "yes" a new pair of gloves), and date/time the bag, and sign it (place this aside in your lock away area for now) .. be sure to keep your journal entries constant for every action taken, every decision you made, and why,as well as continuing to photograph/video your actions taken..
Next wait approximately 2 hours for the remaining volume of moister from both jars to evaporate from the filters..
Now take the remaining bag of lid portions you did not use from their bag, and now get ready for the "fun part"..
Put on the latex (or similar) gloves (one pair for each jar)
Use the rubbing alcohol, to sterilize each pair of tweezers you use, "AS" you use them on each filter...
Take the sterilized tweezers, and "carefully" and slowly, unscrew the lids to the jars (with your hands of course), and (one at a time) take each filter out with the tweezers (one pair of tweezers per jar), and place it in an individual zip baggy, mark them "sample 1/alcohol/190-proof/filtered contaminates/date/time (sign the bag)" do the same for "sample 2/water/purified/filtered contaminates/date/time (sign the bag)
Then (after having put on a fresh pair of gloves) take the lids used in each jar, replace the center section, and close up each jar (making sure to use a fresh pair for each jar you handled in the reclamation process)
Mark the jars as well "alcohol/190-proof/filtered/remaining volume/date/time & water/purified/filtered/remaining volume/date/time.. Place both the jars, in a new zip baggy (with a fresh pair of gloves of course) date/time/and sign bag..
By the end, you should have a few pair of gloves used, the tweezers used, and a few baggies collected.. place all these in a separate baggy together, place the baggy in the envelope, seal it, date/time/sign it, and place this envelope, back into the place you placed the jars you used to filter the product in too..
Take the photographs and or video you used, make a private archival copy, for your personal usage (demonstrations, etc..) and take the "originals" (flash cards or whatever medium you used) and the journal itself, grab the post office mailing box, place the original recording mediums used, and the journal into the box, and simply "mail it to yourself".. when you receive the box back "NEVER OPEN IT", place this box in the same place you are storing your sealed envelope, with the baggies and the tweezers/gloves.. this is your "hard/untampered evidence"..
Next take the bags with the filters and jars, and go to whatever place you found, that can analyze the contents on the filters, and in the jars with the remaining liquids...
Wait for results...
Post results if of valid findings, "OR" if not.. then decide wither to repeat same experiments, (whole new setup BTW, never reuse the old equipment EVER)..
Welcome to the wonderful world of "science", and experimentation....
Alterations to any experiment, must be documented, such as changing the mediums for growth potential of organic compounds (using sugar/water/with egg whites ,and clear gelatin for growth cultures as an example, you can then take a clean 'Q-tip" and dab a small amount of what is on a filter, and placing it in the center of the culture medium itself..)
You have to be "professional" when you document, and perform these experiments, anything less, is considered a "faulty experiment"..
But that is of course, if your "really" wanting to know what they are hitting you with..
why the difference in medium? (i.e. alcohol versus purified water)
One kills all bacterium and viral potentials in the collection filter (alcohol), while the other promotes it remaining potentially capable of growth, when placed in the right growth culture mediums..
Hope this helps you understand the daunting task required of someone, to give accurate samples, without potential contaminations from anomalous environmental conditions (never 100% safe, but a damn sight better then using the "hillbilly approach"..