describe metrics formula with cavets description
fcv_102a_scfm_alt
ARS20009 has a front end flow meter that other sites do not. An alternative version of fcv_102a_scfm
can therefore be calculated using the delta between this flow meter and FT_202.
fcv_102a_scfm_alt = FT_101A – FT_202
(must be >0
)