[Problem of correction of hygienic standards with special reference to the hardness of drinking water].
When hardness of water is less than 2.2 mg-eq/l the concentration of arsenic of 0.05 mg/l and aluminum of 0.5 mg/l are regarded as threshold. Subthreshold levels do not exceed 0.01 and 0.1 mg/l, respectively. Silicon concentration of 25 mg/l is absolutely safe when using water with hardness of less than 2.5 mg-eq/l.
Plitman
S I
SI
Novikov
Iu V
IuV
Tulakina
N V
NV
Mete'lskaia
G N
GN
Kochetkova
T A
TA
Khvastunov
R M
RM
D000535:Aluminum / Q000032:analysis / Q000633:toxicity*; D000818:Animals; D001151:Arsenic / Q000032:analysis / Q000633:toxicity*; D004326:Drinking; D006244:Hardness; D008452:Maximum Allowable Concentration; D051381:Rats; D012426:Russia; D012825:Silicon / Q000032:analysis / Q000633:toxicity*; D014873:Water Pollutants / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000032:analysis / Q000633:toxicity*; D014881:Water Supply / Q000592:standards*
D014873:Water Pollutants; D014874:Water Pollutants, Chemical; D000535:Aluminum; D001151:Arsenic; D012825:Silicon
K voprosu korrektirovki gigienicheskikh normativov s uchetom urovnia zhestkosti pi'tevykh vod.