log the boring results too. a channel that only

do the results in this channel skew because people test when suspicious

is a purity-only test worth the money if underfill is the common failure

the widest spread in my data is about 2.6 percentage points across five lots from one supplier

quantity testing is usually a separate line item and it is the one worth paying for

if you are testing to settle an argument you will not settle it with n of 1

if the vial has been through a bad transit you are testing the transit as much as the supplier

i test roughly every tenth vial. it is a sampling strategy, not paranoia

what interests me is when the gap goes the same direction every time. once is noise, three times is a pattern

i test roughly every tenth vial. it is a sampling strategy, not paranoia

the widest spread in my data is about 2.6 percentage points across five lots from one supplier

test it again

attach the pdf

coming back after 2 months with a follow up result, where do i put it

i have never regretted spending the money on a test. i have regretted not testing twice