Water quality
water-quality

Rivers, oceans, lakes, aquifers, groundwater, stormwater, urban canals, underground streams, estuaries, and more -- we are passionate about water quality! This page will help you find resources to explore the waterbodies you care about, and connect with other people who have the same interests: ### Questions on Water Quality: [questions:water-quality] **** ## Monitoring * [Water sampling](/water-sampling) * [Water sensors](/water-sensors) * Posts on #water-monitoring * Posts on #water-testing * Posts on #reagents ## Water quality parameters Read about different water quality parameters here, including pH, nitrogen, conductivity, temperature, ORP and turbidity: * https://publiclab.org/common-water-contaminants Also see this overview of 7 ways to monitorn water quality: * https://publiclab.org/notes/anngneal/12-08-2017/7-ways-to-measure-monitor-and-evaluate-water-quality ## Groups and projects working on water quality issues: [wikis:project:water-quality] **** ## Water quality related pages [wikis:parent:water-quality] **** ## Activities [activities:water-quality]...


Author Comment Last activity Moderation
Ag8n "Error here. It should not be objective c, as noted above. It should be some plastics are showing higher extractables than bulk water. Something..." | Read more » 16 days ago
Ag8n "Getting a hold of the USP used to be difficult and expensive. While current USP may still be expensive, here is a source for older versions. "Pha..." | Read more » 16 days ago
Ag8n "USP/BP/EP means United States Pharmacopoeia,BP is British Pharmacopoeia, and EP is European Pharmacopoeia. Sections of the USP are divided into mo..." | Read more » 17 days ago
Ag8n "The CO2 produced can be measured several ways. Each method has advantages and disadvantages and depends on the final use of the instrument. For exa..." | Read more » 17 days ago
Ag8n "If you want an overview of TOC, Wikipedia is a good start. The current article seems pretty thorough ( dated 19 July 2022 by 75.143.92.215). Any c..." | Read more » 17 days ago
Ag8n "Previous methods could be somewhat hazardous. To give an example, ammonia related chemicals often work their way into drug compounds. It can be f..." | Read more » 24 days ago
Ag8n "Going back over this. We did a lot of work with total organic carbon (TOC). According to Dr. Paul Whitehead at egalabwater.com (the blog title is..." | Read more » 24 days ago
liz "The moratorium bill has passed the NY State Senate and NY State Assembly, and is en route to the governor: https://www.nysenate.gov/legislation/bil..." | Read more » about 1 month ago
bhamster "Thanks @Ag8n! I ended up using a lens from an old laser pointer after discovering that the CD/DVD drive lens was really small (only a couple millim..." | Read more » about 2 months ago
Ag8n "Very impressive! Which plastic lens did you use? The one from the computer drive or the one from a laser pointer? Thank you!! " | Read more » about 2 months ago
bhamster "I did this! Here's a photo of my microscope in action (without the smartphone, because I needed it to take the photo...). The tiny yellow-ish spec..." | Read more » about 2 months ago
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Ag8n "Interesting. We would do some of the individual tests, for example oil and grease. These were only done for a short period of time ( a year or tw..." | Read more » about 2 months ago
dumpstech "Dumpstech is the best platform, they provide best practice exam questions pdf, easy way to pass your exam in first attempt " | Read more » about 2 months ago
alejobonifacio "wow! I saw the video! It is very interesting how she uses transparent plastic as a slide and coverslip. " | Read more » 2 months ago
Ag8n "Found another good example. It's from six years ago on the PBS series "Gross science". The title on youtube is "See microbes with this DIY phone ..." | Read more » 2 months ago
bhamster "Just saw this! :raised_hands: "New York State Denies Air Pollution Permit for Fossil Fuel-burning Crypto mining operation, Citing Energy-Intensity ..." | Read more » 2 months ago
Islamicqurancenter "Islamic Quran center is an Online Quran Center Specially for both kids & Adults for Noorani Qaida, Tajweed, Tafseer, Urdu Translation, Memoriza..." | Read more » 2 months ago
liz "@bronwen Check this out! " | Read more » 2 months ago
Ag8n "Very helpful video on the lens removal. Thank you. " | Read more » 2 months ago
Ag8n "Yes, that did it! Thank you very much. Only did a quick once over of the diagrams. It looks like they take the focusing lenses out of a CD drive ..." | Read more » 2 months ago
alejobonifacio "Thanks for let me know. Please try with this link... https://www.researchgate.net/publication/343539752_Micro-Hoek_Manual_de_Construccion " | Read more » 2 months ago
Ag8n "Having trouble with the "digital manual of construction in spanish". For whatever reason, the link doesn't work here. Could you please post the i..." | Read more » 2 months ago