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.
Mean (n = 3;±SD) concentrations (μg L −1 ) of caffeine in surface waters collected in Barbados
| Locations | Caffeine (μg L −1 ) |
|---|---|
| Site A: Brandon’s Beach Catchment | 0.1±0.01 |
| Site B: Holetown Pond | 0.5±0.04 |
| Site C: Pelican Village Drainage | 0.4±0.04 |
| Site D: Queen’s Park Constitution River | 6.9 ±0.8 |
