Boil a
Add bleach/chlorine b
Add Aquatabs c
Strain through a cloth d
Use water filter (ceramic/sand/composite/etc.) e
Solar disinfection f
Let it stand and settle g

Other (specify) x
Don't know z

BOIL A
ADD BLEACH/CHLORINE/ALUM B
STRAIN THROUGH A CLOTH C
USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.) D
SOLAR DISINFECTION E
LET IT STAND AND SETTLE F
CAMPHOR/NAPHTHALENE G
PURIFICATION TABLET H
OTHER (SPECIFY) _____ X
DON'T KNOW Z

BOIL A
ADD BLEACH/CHLORINE B
ADD THE PRODUCT "SUR'EAU" (A WATER PURIFICATION PRODUCT) C
STRAIN THROUGH A CLOTH D
USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.) E
SOLAR DISINFECTION F
LET IT STAND AND SETTLE G
OTHER (SPECIFY) ______ X
DOESN'T KNOW Z

BOIL A
ADD BLEACH/CHLORINE B
STRAIN THROUGH A CLOTH C
USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.) D
SOLAR DISINFECTION E
LET IT STAND AND SETTLE F
ADD AQUATABS G
OTHER (SPECIFY) ___ X
DON'T KNOW Z

BOIL A
ADD BLEACH/CHLORINE B
ADD "CERTEZA" [LOCAL WATER PURIFIER] C
STRAIN THROUGH A CLOTH D
USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.) E
SOLAR DISINFECTION F
LET IT STAND AND SETTLE G
OTHER (SPECIFY)___ X
DON'T KNOW Z

BOIL A
ADD BLEACH/CHLORINE B
STRAIN THROUGH A CLOTH C
USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.) D
SOLAR DISINFECTION E
LET IT STAND AND SETTLE F
ADDS AQUATABS G
OTHER (SPECIFY) X
DON'T KNOW Z