Comments

Author Comment Last activity Moderation
Ag8n "Others are better trained on how to soak up absorb the oil than me. Yes, I had some training. But only on a lab scale. It wouldn't work for the ..." | Read more » about 19 hours ago
Ag8n "Ok. The last time I did this test was quite a few years ago. So there is probably something better, now. The quick test was called "oil and greas..." | Read more » 4 days ago
Ag8n "The ferrules and the nut usually feed the gas sampling port of the GC/MS. Although there are many other instruments that can use them. Can't help..." | Read more » 10 days ago
Ag8n "Sorry to bother you. How do your spectra look? How has the instrument been standardized? Thank you. Regards. " | Read more » 14 days ago
Ag8n "I went over it again. Impressi ve. Are you thinking of doing fluorescence work it, too? " | Read more » 14 days ago
Ag8n "Very interesting project!! What kind of lamp do you use and how powerful does it need to be? Do you know what spectral range it and the instrument..." | Read more » 14 days ago
Ag8n "I'm the plant I worked at,Zinc was an issue. So for a long time, we were doing frequent sampling at a number of stormwater sites and frequent test..." | Read more » 16 days ago
Ag8n "I'm sorry, but it's been a while. What's the current limit for VOCs and H2S? Thanks. " | Read more » 18 days ago
Ag8n "I know Public Lab has people and maybe facilities in that area. Is everyone ok? If there are facilities, was there any damage? " | Read more » 25 days ago
Ag8n "One hospital around used ethylene oxide sterizers. They had a monitor outside the sterilizers to check on EtO levels. This has been many years ag..." | Read more » 25 days ago
Ag8n "Thank you for your work. Just did a quick look. Very nice! " | Read more » 26 days ago
Ag8n "I don't know that. The company with a plant nearby had a discharge permit. No idea anymore of the permit number. Most plants would prefer to disc..." | Read more » 27 days ago
Ag8n "Please report everything that you are being discharged into the water seems weird. But a question. Every now and then, a storm sewer in a relativ..." | Read more » 29 days ago
Ag8n "I don't plan on making the modifications in the near future. If someone else would like to try it, feel free. To me, this is the initial investig..." | Read more » about 1 month ago
Ag8n "Thank you for the help. Have you used ASTM D6592-1? It was written in 2001 and removed in 2010 (apparently for no revalidation). But it used chem..." | Read more » about 1 month ago
Ag8n "Thank you for the papers. Still working my way through them. Wanted to comment on the difference between chemi-,bio-,and straight luminescence. ..." | Read more » about 1 month ago
Ag8n "Thank you! Regards " | Read more » about 1 month ago
Ag8n "Found a file, labeled just 3414, that is a method for the analysis by fluorometer. They used 360 nm for excitation and then read the signal at 400..." | Read more » about 1 month ago
Ag8n "A big problem with this type of instrument isn't the concept. That's not too hard. It's getting the reaction to go at a decent rate. Not too fas..." | Read more » about 1 month ago
Ag8n "The blood analyzer instruments from say 2000 were good, but not an order of magnitude better than those of a few years earlier. What was different..." | Read more » about 1 month ago
Ag8n "Certified lab testing by gc or gc/ms gets costly quickly. Are there any other less expensive screening tests that could be substituted for the ini..." | Read more » about 2 months ago
Ag8n "We usually see one or two of the EPA projects come through the district science fair, each year. The problem is that just monitoring usually doesn..." | Read more » about 2 months ago
Ag8n "It was believed to be high level of nitrates, although maybe the time applied and amount applied has a major part in it, too. To be honest, I think..." | Read more » about 2 months ago
Ag8n "Very good project! With the corona virus, many uvc flashlights have become cheaply available. That would add some danger to the project. But wou..." | Read more » about 2 months ago