Table 1 Fingerprint quality assessment over 30 days for surfaces submerged in tap water.

From: Latent fingerprint recovery on submerged non-porous surfaces using phloxine B-based small particle reagent

Surface type

Grade 5 (Days)

Grade 4 (Days)

Grade 3 (Days)

Grade 2 (Days)

Grade 1 (Days)

Glass

1–15

16–23

24–27

28–30

Plastic

1–10

11–21

22–29

30

Metal

1–8

9–13

14–24

25–28

29–30