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 | "The Wikipedia article is an interesting read. The initial data said horseshoe crab mortality from L.A.L. testing should be about 3%. However, rec..." | Read more » | over 1 year ago | |||
| Ag8n | "Here's where life gets a bit interesting. There are substances called pyrogens. These cause a fever, sometimes severe, even if the carrier bacteri..." | Read more » | over 1 year ago | |||
| Ag8n | "As a refresher, read USP 31, <1231>"Water for Pharmaceutical Purposes". This is available, for free, from Pharmacopeia online, as mentioned ..." | Read more » | over 1 year ago | |||
| 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year 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 » | over 1 year ago | |||
| alejobonifacio | "wow! I saw the video! It is very interesting how she uses transparent plastic as a slide and coverslip. " | Read more » | almost 2 years 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 » | almost 2 years 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 » | almost 2 years 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 » | almost 2 years ago | |||
| liz | "@bronwen Check this out! " | Read more » | almost 2 years ago | |||
| Ag8n | "Very helpful video on the lens removal. Thank you. " | Read more » | almost 2 years ago |