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Public Health Regulation 2018
sec.58Quality standard for class A+ recycled water
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### sec.58 Quality standard for class A+ recycled water
Recycled water that is to be supplied as class A+ recycled water must be tested for the presence of each of the following (each a class A+ parameter ) at the frequency required under the management plan for the water—
Clostridium perfringens spores;
Escherichia coli ;
F-specific RNA coliphages;
somatic coliphages.
If the quality of the water has been tested for a class A+ parameter for at least 1 year under the management plan for the water—
each month, the samples of water, other than resamples, taken to test for the class A+ parameter during the preceding 1-year period must be reviewed; and
at least 95% of the samples reviewed must contain less than the following amounts of the class A+ parameter—
for Clostridium perfringens spores—1 cfu/100mL or MPN/100mL;
for Escherichia coli —1 cfu/100mL or MPN/100mL;
for F-specific RNA coliphages—1 pfu/100mL;
for somatic coliphages—1 pfu/100mL.
(sec.58-ssec.1) Recycled water that is to be supplied as class A+ recycled water must be tested for the presence of each of the following (each a class A+ parameter ) at the frequency required under the management plan for the water— Clostridium perfringens spores; Escherichia coli ; F-specific RNA coliphages; somatic coliphages.
(sec.58-ssec.2) If the quality of the water has been tested for a class A+ parameter for at least 1 year under the management plan for the water— each month, the samples of water, other than resamples, taken to test for the class A+ parameter during the preceding 1-year period must be reviewed; and at least 95% of the samples reviewed must contain less than the following amounts of the class A+ parameter— for Clostridium perfringens spores—1 cfu/100mL or MPN/100mL; for Escherichia coli —1 cfu/100mL or MPN/100mL; for F-specific RNA coliphages—1 pfu/100mL; for somatic coliphages—1 pfu/100mL.
- (a) Clostridium perfringens spores;
- (b) Escherichia coli ;
- (c) F-specific RNA coliphages;
- (d) somatic coliphages.
- (a) each month, the samples of water, other than resamples, taken to test for the class A+ parameter during the preceding 1-year period must be reviewed; and
- (b) at least 95% of the samples reviewed must contain less than the following amounts of the class A+ parameter— (i) for Clostridium perfringens spores—1 cfu/100mL or MPN/100mL; (ii) for Escherichia coli —1 cfu/100mL or MPN/100mL; (iii) for F-specific RNA coliphages—1 pfu/100mL; (iv) for somatic coliphages—1 pfu/100mL.
- (i) for Clostridium perfringens spores—1 cfu/100mL or MPN/100mL;
- (ii) for Escherichia coli —1 cfu/100mL or MPN/100mL;
- (iii) for F-specific RNA coliphages—1 pfu/100mL;
- (iv) for somatic coliphages—1 pfu/100mL.
- (i) for Clostridium perfringens spores—1 cfu/100mL or MPN/100mL;
- (ii) for Escherichia coli —1 cfu/100mL or MPN/100mL;
- (iii) for F-specific RNA coliphages—1 pfu/100mL;
- (iv) for somatic coliphages—1 pfu/100mL.