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Q-2, r. 40 - Regulation respecting the quality of drinking water
Section 14
Disposition versions
14. The person in charge of a distribution system must, to control the inorganic substances listed in Schedule 1, except bromates, chloramines, chlorites and chlorates, nitrites, lead and copper, collect or have collected samples from the water supplied, in accordance with the terms and conditions provided for in the following table for each type of distribution system and substances:
Substances Type of Minimum Sampling period
distribution number of
system samples
______________
Number of
users
Substances listed in ≥ 21 1 Annually, between
Schedule 1, except lead, 1 July and 1 October
copper, chloramines,
bromates, chlorites,
chlorates, nitrates
+ nitrites, and nitrites
Nitrates + nitrites ≥ 21 1 During each quarter
beginning
respectively on
1 January, 1 April,
1 July and 1 October,
with a minimum
interval of 2 months
between the
sampling dates.
Substances Type of Minimum Sampling period
distribution number of
system samples
______________
Number of
users
Substances listed in ≥ 21 1 Annually, between
Schedule 1, except lead, 1 July and 1 October
copper, chloramines,
bromates, chlorites,
chlorates, nitrates
+ nitrites, and nitrites
Nitrates + nitrites ≥ 21 1 During each quarter
beginning
respectively on
1 January, 1 April,
1 July and 1 October,
with a minimum
interval of 2 months
between the
sampling dates.
For the purposes of this section, if the distribution service is not in service from 1 July to 1 October, the samples required may be taken during any other period where the system is in service, despite the provisions of the above table.
This section does not apply to a distribution system that is supplied by another distribution system subject to the control of the inorganic substances referred to in the above table, as long as both distribution systems are interconnected.
14. The person in charge of a distribution system must, for the purpose of testing for the inorganic substances listed in Schedule 1 other than nitrates+nitrites and nitrites, chloramines and bromates, collect or have at least 1 sample of the water supplied collected annually between 1 July and 1 October, or if the distribution system is not in service from 1 July to 1 October, at any other period when it is in service.
The person must also, for the purpose of testing for nitrates+nitrites, collect or have at least 1 sample of the water supplied collected annually during each of the quarters beginning respectively on 1 January, 1 April, 1 July and 1 October, with a minimum interval of 2 months between samplings.
This section does not apply to a distribution system supplied by another distribution system that is subject to the inorganic substances testing requirements.
