Community research

stevie commented on Build a plant-based air purifier 13 days ago

@bostonfern and I were wondering what the purpose of the gravel is here. What function does it se...

Ag8n commented on What are the health impacts of the Aluf Plastics Plant from air pollution? 14 days ago

In the past, this company was using PVC ( polyvinylchloride). If this is still being used, the m...

sureta new contributor commented on Nuestros Suelos: a low-cost toolkit for the participative assessment of soil degradation 14 days ago

Hola Nano. Excelente. Nosotros felices de explorar formas de colaboración. Está muy bueno lo que ...

stevie commented on Emery Board as Bathymeter: ETP vs Beau Bayou 14 days ago

@stevie awards a barnstar to eustatic for their awesome contribution!

nanocastro commented on Nuestros Suelos: a low-cost toolkit for the participative assessment of soil degradation 15 days ago

hola @sureta estamos en Mendoza trabajando con gente de comunidad campesina tratando de desarroll...

sureta new contributor commented on Nuestros Suelos: a low-cost toolkit for the participative assessment of soil degradation 16 days ago

Hi, Thanks for your interest in Nuestros Suelos! We're in the process of producing materials abou...

eustatic commented on Terrain Surveying with Emery Boards 16 days ago

Update from Naomi. This was a rush build, and crews were still out re-burying the pipeline in la...

eustatic commented on Terrain Surveying with Emery Boards 16 days ago

Update from Naomi. This was a rush build, and crews were still out re-burying the pipeline in la...

mukeshpaik commented on Is there a way to make a cheaper "UV Hound"? 16 days ago

Very Helpful information,thanks

stevie commented on What are the health impacts of the Aluf Plastics Plant from air pollution? 17 days ago

This came in from Molly Jacobs, Environmental Health Initiative Project Manager at the Lowell Cen...

stevie commented on Are there simple tests for nitrates in well water? 17 days ago

Also, the drinking water standard for nitrates is 10 milligrams per liter (10 mg/l) nitrate-N, or...

stevie commented on Are there simple tests for nitrates in well water? 17 days ago

I just looked into these a little further. All of them use sulphuric acid which can be dangerous....

warren commented on Is there a way to make a cheaper "UV Hound"? 17 days ago

I wonder how the Hound is used if it needs a reflector to bounce the beam back. maybe you have to...

stevie commented on Terrain Surveying with Emery Boards 17 days ago

Update: the Emery Board has also been used to measure water depth around pipeline sites

warren commented on Is there a way to make a cheaper "UV Hound"? 18 days ago

Sure! I think the takeaway is that searching for a price for the OPSIS, or pricing for a differe...

joyofsoy commented on Lawn Fertilizer Runoff Causes Algae Bloom Locally and Contributes to Global Issues 18 days ago

Shared this on the Public Lab Twitter and received this response: Measuring conductivity might b...

liz commented on Manual de sondeo de subsuelo 18 days ago

WOW, this is super documentation!

liz commented on Do you have experience using a gas chromatograph? 18 days ago

Thank you @Ag8n!

liz commented on Is there a way to make a cheaper "UV Hound"? 18 days ago

Big thanks for unpacking all this @warren

warren commented on Is there a way to make a cheaper "UV Hound"? 19 days ago

Deep UV or DUV is pretty hard to detect. This article talks about it: https://www.vision-systems....

warren commented on Is there a way to make a cheaper "UV Hound"? 19 days ago

Hi, just found it interesting when i read about the UV Hound - it's actually not a mass spectrome...

Leksu commented on Testing a cheap webcam with Infragram - spoiler alert: nope 20 days ago

Thanks for the post and comments @warren ! Have you (or anyone else) had luck with other similar ...

amir_hudsonconsulting commented on Adafruit Feathers for datalogging 20 days ago

My goal is to log data to an SD card, and store the data locally on the SD card. Is it possible t...

warren commented on Microscope not focusing right 21 days ago

Hi! focusing can be tough, but if you're occasionally getting things into focus you're doing well...

warren commented on Manual de sondeo de subsuelo 21 days ago

❤️ me encanta! Gracias!!

Ag8n commented on Do you have experience using a gas chromatograph? 22 days ago

Yes, I have a lot of experience with a number of types of gc. First, if you are talking about bu...

jjcreedon commented on What are air testing labs or companies we can recommend to our town board that our community can trust? 24 days ago

Just want to make sure it’s an EPA approved lab.. that’s all. We have partnered w ALS .. cause of...

stevie commented on How do we keep the pressure and momentum high after a recent court ruling win? 24 days ago

Sarah Martik from the Center for Coalfield Justice recommended: "holding some town halls to talk ...

stevie commented on What are air testing labs or companies we can recommend to our town board that our community can trust? 24 days ago

I also heard about Performance Analytical, Inc. in CA. @JackieJamesCreedon is there a reason for...

warren commented on Draft of a Public Lab Software Roadmap: Comments welcome! 24 days ago

I updated this diagram!