Author Comment Last activity Moderation
sammy_6_2003 "UPDATE Prices have been adjusted since the original posting of the message in 2018. Please visit to find the current fees for ..." | Read more » about 2 months ago
ShainaKasper "I work with dozens of community groups fighting PFAS drinking water contamination and I have a few things to share: (1) When testing, there are a l..." | Read more » over 4 years ago
sammy_6_2003 "The cost for analysis can be quite costly. We are currently working in our lab network (Enthalpy Analytical LLC) to be able to offer a low cost scr..." | Read more » over 4 years ago
Ag8n "The recommended limit of pfoa + pfos is 70 parts per trillion (!). That's recommended, it's not enforced. The method of analysis is by LC/MS/MS. ..." | Read more » over 4 years ago