D.C. Mun. Regs. tit. 25, r. 25-C6417
Current through Register Vol. 71, No. 49, December 6, 2024
Test kits are required to be on the premises of all swimming pools and spas to determine free active chlorine and total chlorine using N, N-Diethyl-p-Phenylenediamie (DPD), or bromine level, total alkalinity, calcium hardness, and pH.
The following test kits shall be provided if the corresponding chemicals are used:
A test kit may be used for multiple pools, provided the pools have common ownership and they are located on contiguous property.
The test kit shall be capable of measuring the level of disinfectant in the normal operating range.
D.C. Mun. Regs. tit. 25, r. 25-C6417