Table 1.
Measured Concentration (mg PO4/L) * | Respondents’ Answers Regarding Chemical Softening of Their Drinking Water | ||
---|---|---|---|
Yes % (n) | No % (n) | Do not Know % (n) | |
c < 0.2 | 9.5% (23) | 26.0% (63) | 19.4% (47) |
c > 0.2 | 4.1% (10) | 11.2% (27) | 29.8% (72) |
Total | 13.6% (33) | 37.2% (90) | 49.2% (119) |
* the measured concentration of phosphates; above and below 0.2 mg PO4/L in regards to the detection limit of the measurement procedure.