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mining
mining


Author Comment Last activity Moderation
ajay974 "thanks for offering a thought toward this question. "Frac" sand is a kind of sand used for "hydrofracking," the extraction of gas from shale rocks ..." | Read more » about 2 years ago
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joyofsoy "The quote is suspect. Unless the mine has been lined with clay or with plastic, internal drainage implies that the storm water and the wastewater p..." | Read more » about 2 years ago
joyofsoy "My response in the thread: From this article, I learned: As of January 2019, the quarry was producing gravel, limestone, and sand. Fracking was me..." | Read more » about 2 years ago
joyofsoy "This is likely a contracted blasting service where the blasting company drills a "grid" of 5.5-6.5" bore holes (comparable to well water casings) ~..." | Read more » about 2 years ago
joyofsoy "Many companies do "bore" holes before they start mining. One requirement in the state of WI is that those bore holes be sealed so that contaminants..." | Read more » about 2 years ago
joyofsoy "My limited understanding: looking for “veins” is done with a digger not by blasting. One seeks sand close to the surface where it’s easier to dig...." | Read more » about 2 years ago
joyofsoy "Just an update: I shared this question with our Midwest mailing list and received some very helpful responses, which is included in the thread below. " | Read more » about 2 years ago
liz "Thank you for finding this out @Joe! Very helpful. " | Read more » about 2 years ago
joyofsoy "I'd usually agree with you @liz, but I found some more research on the site, and in this case there's a mix of limestone, quartz, and other materia..." | Read more » about 2 years ago
liz "Hi @engineerjaykumar, thanks for offering a thought toward this question. "Frac" sand is a kind of sand used for "hydrofracking," the extraction of..." | Read more » about 2 years ago
Engineerjaykumar "I think this frac sand mine in western Wisconsin want quarry the rocks for the manufacture of cement, because as demand of the cement for concrete ..." | Read more » about 2 years ago
annemolony413 "Thanks for your advice Stevie. anne " | Read more » over 2 years ago
annemolony413 "Thank you for your help kgradow1. Our main problem now is to prove that silica is in the quarry that exists so that we can stop its expansion to s..." | Read more » over 2 years ago
stevie "Hi! Yes good question. Also check out this page: https://publiclab.org/wiki/frac-sand It's related to sand mining, but there would be similar conce..." | Read more » over 2 years ago
kgradow1 "Airborne crystalline silica is a known occupational health hazard and is hazardous in high concentrations. See links below: https://www.silica-sa..." | Read more » over 2 years ago
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festival "nice post for these articles Govt post " | Read more » over 2 years ago
xose "Hi @erumenig sorry for the delay. I've realized this thread remained in stand by. How did it go? Did you manage to build the device? Best! " | Read more » about 4 years ago
erumenig "Firstly, thanks for elucidate my questions. Let me understand just 1 thing more. After purchase the components and to make "DustDuino" I would hav..." | Read more » almost 5 years ago
warren "Thanks all! " | Read more » almost 5 years ago
xose "Hi erumenig, find the Shinyei PPD42 sensor, core of the dustduino, here https://www.seeedstudio.com/category/Grove-Dust-Sensor-p-1050.html " | Read more » almost 5 years ago