000
00309 a2200133 4500
082
_a
614.772
_b
W89i2
245
1
_a
INTERNATIONAL STANDARDS FOR DRINKING WATER
250
_a
2nd
260
_a
Geneva
_b
_c
1963
300
_a
206
650
_a
Drinking Water -- Standards
964
_g
CIRC
997
_a
55302 C
999
_c
453616
_d
453616