|From:||"J. A. Kiernan" <email@example.com>|
|To:||Joyce Kotzuk <JKotzuk@salud.unm.edu>|
On Tue, 4 Apr 2000, Joyce Kotzuk wrote: > I calibrate my pH meter once a day. Is this overkill? No. It may even be underkill. It is evident that you are well trained.