- OBJECTIVE:
To lay down a procedure for Determination of residual free chlorine in chlorinated water at Pretreatment water system.
- SCOPE:
This SOP is applicable for Determination of residual free chlorine in chlorinated water at Pre treatment water system at {Company Name} {Company Location}.
- RESPONSIBILITY:
- Technical Assistant – Engineering is responsible for follow the procedure.
- Executive– Engineering is responsible to ensure the compliance as per SOP.
- ACCOUNTABILITY:
Engineering Head
Head Quality Assurance
- PROCEDURE:
- Determination of residual free chlorine in chlorinated water shall be carried out with “ENZED CHLOROSCOPE” chlorine test kit.
- The test kit contains:
- Enzed Chloroscopes
- Enzed reagent.
- 2 test tubes
- Open the sampling point and drain out the water for few minutes.
- Take both the test tubes, rinse it several times and fill with water to be tested.
- Add 3 to 4 drops of Enzed reagent in right side test tube with the help of dropper and Mix the water thoroughly till the color turns to yellowish shade uniformly.
- Now insert the tube in the top right-side hole and close the top cover and view against light.
- Compare the color of the water with standard color Disc filled on the left side.
- Immediately read off the concentration of free chlorine in ppm.
- Record free chlorine in ppm as per Annexure-I.
- Collect the chlorinated water before passing to MGF sampling valve.
- Chlorinated water limit Shall be given in their respective SOP.
- Frequency: Daily once at morning.
- REFERENCES:
Not Applicable
- ANNEXURES:
| ANNEXURE No. | TITLE OF ANNEXURE |
| Annexure-I | Free Chlorine Test Record |
ENCLOSURES: SOP Training Record.
- DISTRIBUTION:
- Controlled Copy No. 01 Head Quality Assurance
- Controlled Copy No. 02 Head-Engineering
- Master Copy Quality Assurance Department
- ABBREVIATIONS:
MGF : Multi grade filter
PPM : Parts Per Million
- REVISION HISTORY:
CHANGE HISTORY LOG
| Revision No. | Details of Changes | Reason for Change | Effective Date |
| 00 | New SOP | Not Applicable | To be written manual |
ANNEXURE-I
FREE CHLORINE TEST RECORD
