Not official USP-NF text
TRAVOPROST OPHTHALMIC SOLUTION
PF LGS# Brand Type of Test Additional Information
31(4) L1 Discovery C18 Assay and Limit of . . . . Limit of degradation products. 4.6 mm x 15 cm, 5 µm.
31(4) L1 Hypersil-ODS Limit of . . . . . . . . . Limit of travoprost related compound A. 4.6 mm x 5 cm, 3 µm.