Notation	Name	Description	Status
0	Good retrieval		stable
1	Solar zenith angle greater than 84 degrees		stable
2	Difference between step 3 and profile total ozone greater than limit (25 DU)		stable
3	Average final residue for wavelengths used in retrieval greater than threshold		stable
4	Final residue greater than 3 times a priori error		stable
5	Difference between retrieved and a priori greater than 3 times a priori error		stable
6	Non-convergent solution		stable
7	Upper level profile anomaly or stray light anomaly		stable
8	Initial residue greater than 18.0 N-value units		stable
15	Missing value		stable