24
Arjo recommends that water used in the pre-rinsing, washing and
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with the guidelines. Recommended water quality is drinking water
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can be found in “Guidelines for Drinking Water Quality, published
by WHO.
Follow local standards if they are stricter that Arjo’s
recommendations. Especially when treated water is used for the
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water is:
pH 5.5 to 8
Conductivity <30 μs.cm-1
TDS <40 mg/l
0D[LPXPKDUGQHVV <50 mg/l
Chlorine <10 mg/l
Heavy metals <10 mg/l
Phosphates <0.2 mg/l as P2O5
Silicates <0.2 mg/l as SiO2
(QGRWR[LQV <0.25 EU/ml
Total number of micro-
organisms
<100 per 100 ml
Additional advice should also be obtained from the manufacturers
of chemical and medical equipment.