Caffeine

Food compound

Limit values

WHO Limit

Unknown.

EU Limit

Unknown.

US Limit

Unknown.

EWG Limit

Unknown.

Ratings

Distillation
Carbon filters
Membrane filters

References

  1. Kegel, Rietman, and Verliefde
    Reverse osmosis followed by activated carbon filtration for efficient removal of organic micropollutants from river bank filtrate, Water Science and Technology (2010)
  2. WaterStillar
    Contaminant research and assumptions (unpublished), (2020)