2019
Scientific experts from the U.S. Centers for Disease Control and Prevention 
and the U.S. Food and Drug Administration helped to develop this poster.
Posters are available for download at www.waterandhealth.org/resources/posters
WASH
RINSE
AIR DRY
3
4
2
1
TEST
FILL
MAKE A SANITIZING SOLUTION
FILL SINK 
AND TEST 
SOLUTION
CHLORINE TEST STRIP
1
GALLON
WATER
1
TABLESPOON
BLEACH
(6% STRENGTH)
1 TBSP
2
MIN
SANITIZE
10
ppm
50
ppm
100
ppm
200
ppm