Author Comment Last activity Moderation
nshapiro "Here is the EPA's take on that: Its rather expensive but losing the PM 2.5 monitor would sa..." | Read more » about 7 years ago
nshapiro "Thanks @liz ! the sterile sugar matrix sounds amazing. @kosamari is cost the reason for the sugar matrix over petri dishes? Keeping the media steri..." | Read more » almost 8 years ago