Swimming pool water quality standards and how to quickly detect

On March 8, 2007, the Ministry of Construction approved the release of the “Water Quality Standard for Swimming Pools” (CJ244-2007) Urban Construction Industry Standard, which will be implemented on October 1, 2007. The main technical contents of the standard are introduced as follows:

1 swimming pool raw water and supplementary water quality requirements

1.1 The quality of swimming pool raw water and supplementary water must meet the requirements of GB5749.

2 swimming pool water quality basic requirements

2.1 The sensory properties of the pool water are good.

2.2 The pool water does not contain pathogenic microorganisms.

2.3 The chemical substances contained in the pool water shall not endanger human health.

3 swimming pool water quality inspection items and limits

3.1 The routine inspection items and limits of swimming pool water quality shall comply with the requirements of Table 1.

1, turbidity ≤ 1NTU

2, PH value 7.0 ~ 7.8

3, urea ≤ 3.5mg / L

4, the total number of colonies (36 ± 1 ° C, 48h) ≤ 200 CFU / mL

5, total coliforms (36 ± 1 ° C, 24h) can not be detected every 100mL

6, free residual chlorine 0.2 ~ 1.0mg / L

7. Compound residual chlorine ≤ 0.4mg / L

8. Ozone (when ozone is used for disinfection) ≤0.2mg/m3 or less (in the air on the water surface)

9, water temperature 23 ~ 30 ° C

3.2 The routine inspection items and limits of swimming pool water quality shall comply with the requirements of Table 2.

Table 2 General inspection items and limits for swimming pool water quality

1. Total dissolved solids (TDS) ≤ raw water TDS 1500mg/L

2. Oxidation reduction potential (ORP) ≥ 650mV

3, cyanuric acid ≤ 150mg / L

4, trihalomethane (THM) ≤ 200μg / L

3.3 Routine inspection When the microorganism exceeds the standard or a pollution accident occurs, the pool water should also be tested according to the additional water quality test content and the unconventional microbiological test content required by the local health department.

We can use the swimming pool water quality testing equipment to quickly detect the water quality of the pool.

Swimming pool water quality standards and how to quickly detect

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