STRAIN BY CLOTH A
ALUM B
WATER FILTER C
BOILING D
ELECTRONIC PURIFIER E
NOTHING F
OTHER (SPECIFY) _______ X

BOIL A
USE ALUM B
ADD BLEACH/CHLORINE TABLETS C
STRAIN THROUGH A CLOTH D
USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.) E
USE ELECTRONIC PURIFIER F
LET IT STAND AND SETTLE G
OTHER (SPECIFY) ______ X
DOESN'T KNOW Z

A. BOIL
B. USE ALUM
C. ADD BLEACH/CHLORINE TABLETS
D. STRAIN THROUGH A CLOTH
E. USE WATER FILTER (CERAMIC/SAND/COMPOSITE/ETC.)
F. USE ELECTRONIC PURIFIER
G. LET IT STAND AND SETTLE
X. OTHER___(SPECIFY)
Z. DON'T KNOW

BOILING 1
DISTILLATION 2
CHLORINATION 3
FILTRATION 4
OTHER (SPECIFY)____ 5
NO TREATMENT 6