Taking samples is a key technique in environmental monitoring. Sample collection, when done well, can be cheap, numerous samples can be taken, and many people can participate in sample collection. Lead image from @warren's [work](https://publiclab.org/notes/warren/03-25-2019/water-sampling-workshop-with-a-mega-coqui-kit-with-one-cranston) ## Types of sampling Not all of these types of sampling have pages yet, but we are working together to collect these resources, so please help by editing this page: * [Water sampling](/wiki/water-sampling) * [Soil sampling](/wiki/soil-sampling) * [Air sampling](/wiki/air-sampling) * [Dust sampling](/wiki/dust-sampling) * [Spectrometry sampling](/wiki/spectrometry-sampling) Please add other types of sampling here as well. ## Questions Ask and answer general questions about sampling: [questions:sampling] ...
| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| eustatic | "Yeah, Ann put the fire of deadline to me. well, no. i've never had a test done to determine this question of crude vs refined. i just thought that..." | Read more » | over 8 years ago | |||
| warren | "Cool; i mentioned isopropyl alcohol as a possible evaporate-able solvent in the comments on https://publiclab.org/notes/Matej/12-21-2015/first-pig-..." | Read more » | over 8 years ago | |||
| warren | "Love this. Thanks Scott! One thing I'm thinking is that if there's one more expensive lab test done to determine that one sample is crude and not ..." | Read more » | over 8 years ago | |||
| eustatic | "Ha. These questions are painful. " | Read more » | over 8 years ago | |||
| gretchengehrke | "Fabulous post, Scott. Thanks! For each of these situations, would the process be to try to convince Louisiana DEQ that there is oil and that the oi..." | Read more » | over 8 years ago | |||
| Matej | "Hi Jeff. I took triplicate spectra of each oil, before mixing it with water and after recovering the oil from frozen water. You can find them at my..." | Read more » | over 8 years ago | |||
| warren | "Cool, Matej! Do you have comparison sets of the pure unfrozen/undiluted samples alongside the frozen versions, and also alongside samples in minera..." | Read more » | over 8 years ago | |||
| warren | "Also give the new calibration procedure a try! https://publiclab.org/notes/warren/09-30-2015/new-wavelength-calibration-procedure-preview-for-spect..." | Read more » | over 8 years ago | |||
| mahsa | "Thanks @ethanbass ! I can't remember which of my tries was with the plastic bag, maybe 4 and 5. I also tried the paper but set it up with the lig..." | Read more » | over 8 years ago | |||
| ethanbass | "Also, you should know that the blue peaks are always going to be weaker. Were any of the spectra you posted captured through the plastic bag? I not..." | Read more » | over 8 years ago | |||
| ethanbass | "Cool. You've got some really nice pictures of the cuvette frame assembly. For calibration, have you tried capturing the light reflected from a piec..." | Read more » | over 8 years ago | |||
| liz | "News from the North Brooklyn Boat Club: Yesterday NYCDEP reported a break in the case. In their words: "We received an anonymous spill report of ..." | Read more » | over 9 years ago | |||
| mathew | "seems like auto stores sell oil absorbers. Autozone sells "new pig" brand, and they make an oil-only rag: http://www.autozone.com/autozone/accesso..." | Read more » | over 9 years ago | |||
| warren | "Hi, Livio - I was so fascinated with your post -- where exactly did you collect a sample from, and was it soil? Water? " | Read more » | over 9 years ago | |||
| warren | "indeed. Updating now! " | Read more » | over 9 years ago | |||
| bsugar | "sure thing. maybe add something on this page that says "most recent parts list here" where here is the wiki page. " | Read more » | over 9 years ago | |||
| warren | "Hi, Benjamin - I think we're now going off the parts list on the oil testing kit page: http://publiclab.org/wiki/oil-testing-kit#Parts+list Yes, I..." | Read more » | over 9 years ago | |||
| bsugar | "a confusion about the parts list on the line about the laser: "or http://www.ebay.com/itm/like/350812684726?lpid=82 to buy just one cuvettes" two..." | Read more » | over 9 years ago | |||
| WhiteRabbit | "Great post, and great comments too. Very informative! Thanks. " | Read more » | over 9 years ago | |||
| mathew | "Boom. " | Read more » | almost 10 years ago | |||
| stevie | "I did post the ones we were looking at on the page here: http://publiclab.org/wiki/oil-testing-kit#Parts+list Or the direct links to the ones we w..." | Read more » | almost 10 years ago | |||
| warren | "Actually @stevie and @natalie are sourcing new bottles right now, maybe you can get in on the order. We're hoping to switch to nail polish bottles,..." | Read more » | almost 10 years ago | |||
| bsugar | "would the ones from ebay that I posted in the comment above be a good replacement? Cats you say? Then the cat gobo is for sure 1000% necessary. W..." | Read more » | almost 10 years ago | |||
| mathew | "you just want a beam. the other tops that are cats and stars and octopuses are not helpful. " | Read more » | almost 10 years ago |