Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Repellency scale from the less to the most repellent
| Class | Repellence rate (%) | Interpretation |
|---|---|---|
| 0 | ˃0.01 to ˂0.1 | Non repellent |
| I | 0.1 to 20 | Very low repellent |
| II | 20.1 to 40 | Moderately repellent |
| III | 40.1 to 60 | Averagely repellent |
| IV | 60.1 to 80 | Fairly repellent |
| V | 80.1 to 100 | Very repellent |
