caribbean
caribbean


Author Comment Last activity Moderation
liz "@wmacfarl's reply from above included this link that gets into detail about all the ways water moves in, through, and out of a refinery: https://sa..." | Read more » about 1 year ago
liz "And this answer to another question is quite complete: https://publiclab.org/questions/wmacfarl/09-25-2019/how-can-we-relate-water-quality-sensor-m..." | Read more » about 1 year ago
liz "This page collects methods for determining the impact of oil and gas on #water-quality: https://publiclab.org/wiki/oil-and-gas-water-quality " | Read more » about 1 year ago
Ag8n "Please note-MIGHT be able to detect the gasoline. It would take some work to be sure. " | Read more » about 1 year ago
Ag8n "One interesting gc mentioned in public lab a while ago was the frog 5000. It's not a gc/ms. But it might be able to do testing for the gasoline. " | Read more » about 1 year ago
liz "Thank you @Ag8n! Following your replies here with interest. " | Read more » about 1 year ago
Ag8n "The quickest way would be a liquid/liquid separation on a sample of the water, followed by filtration ( if needed) and injection of the solvent in ..." | Read more » about 1 year ago
liz "Fascinating! " | Read more » almost 3 years ago
david_uwi "I am in Trinidad and Tobago. I have located the sensor outside, but sheltered from the weather. I am towards the eastern side of Trinidad and with ..." | Read more » almost 3 years ago
liz "Where is this sensor located? " | Read more » almost 3 years ago
david_uwi "I've come back to this after doing a bit more research on the subject. First as the device has sensitive op-amps which are exposed I have put an el..." | Read more » almost 3 years ago
selema " instagram takipçi " | Read more » over 3 years ago
bps " This sensor can also be used with an Arduino which allows you to create a data logger but you probably knew that. I see that you have it talking t..." | Read more » over 3 years ago
david_uwi " It's going from 0-250 ug/m3 (and the x-axis is 42 days).The average value (over 6 weeks) is 17 ug/m3. So the graph shows there are some large spik..." | Read more » over 3 years ago
dswenson " What is your unit scale reading on the output (y axis)? I can't get a clear visual, but it appears to be something other than micrograms/cubic me..." | Read more » over 3 years ago
ernestootero "Got back and made most of measurements. I will be simmarizing results soon. " | Read more » over 6 years ago
ernestootero "I am leaving on a work trip and coud not make the measurements. Only did the dilutions for the unknowns and the standards. When I com back I will t..." | Read more » over 6 years ago
ernestootero "Unfortunately, not. I was trying to hide from work but couldn't. I intend to work on the alignment issues and standards tomorrow. Thanks. " | Read more » over 6 years ago
liz "Have you tried this yet? " | Read more » over 6 years ago
ernestootero "No I have not aged any of the standards sent, but is a great idea. In terms of the asphalt, samples 4, the pavement blank, is asphalt a few meters ..." | Read more » over 6 years ago
warren "Also perhaps it'd be good to test asphalt alone! " | Read more » over 6 years ago
warren "This is so great! I'm curious, are you able to take a motor oil source that's known, and dry it out and prepare it in a similar way, after some agi..." | Read more » over 6 years ago