smpl_id,tst_meth,smpl_tst_nbr,tst_id,last_modfd_uid,last_modfd_dt
,AMAMAW,1,,0,
,AMAMAW,1,,0,
,AMAMAW,1,,[MISSING],
,AMAMAW,1,,0,
,AMAMAW,1,,0,
,AMAMAW,1,0,0,