Wear clean disposable gloves when collecting the sample and avoid touching the inside of the bottle or cap with hands or anything other than the water sample itself. [...] Record the time, date, weather conditions and the name of the sampling point onto the sample submission form. [...] Open the cold water tap and let the water run to waste for two to three minutes to flush through the system. [...] Fill in one slow sweep down through the water, with the mouth of the bottle always ahead of the hand. [...] Fill in one slow sweep down through the water, with the mouth of the bottle always ahead of the hand.
Authors
- Pages
- 3
- Published in
- New Zealand
Table of Contents
- 1 General points 1
- 1. Samples for microbiological examination should be collected in clean sterile wide- 1
- 2. Collect sample volumes sufficient to carry out all tests required check with the 1
- 3. Take precautions to avoid contaminating the sample. Wear clean disposable gloves 1
- 4. Fill bottles once without rinsing or pouring out any collected water and ensure the lid is 1
- 5. Ensure all samples are clearly identified and labelled on the body of the container not 1
- 6. If sampling chlorinated water use a sampling bottle containing sodium thiosulphate as a 1
- 2 Sending samples to ESR 1
- 7. Record the time date weather conditions and the name of the sampling point onto the 1
- 8. Place the sample and a temperature blank that is representative of the source water 2
- 9. Samples should be kept in the dark and cold but unfrozen 10 C during transport to 2
- 10. For most accurate results it is essential that the laboratory has the sample as soon as 2
- 3 Sampling drinking water 2
- 11. It is recommended to take more sample bottles than you expect to use so that in the 2
- 12. Open the cold water tap and let the water run to waste for two to three minutes to flush 2
- 13. Reduce the water flow so the bottle can be filled without splashing. Collect a grab 2
- 14. If something goes wrong with the collection of the sample use a fresh sample bottle and 2
- 15. If tap cleanliness is questionable choose another tap if possible. If a questionable tap 2
- 4 Sampling non-potable recreational water 2
- 16. Swimming pools spa pools Collect samples during periods of maximum bather load. 2
- 17. Marine water Collect samples 0.3 m below the water surface in the areas of greatest 2
- 18. Rivers streams lakes wastewater Face the container upstream and submerge the 3
- If you have any problems with sampling please contact the Public Health Laboratory 3
- Telephone 03 351 0053 E-mail PHL.phlcscesr.cri.nz 3
- Laboratory hours are from 830 am to 430 pm Monday to Friday. Please inform laboratory staff in advance if samples are likely to arrive after 4 pm. 3
- Address FAO Public Health Laboratory ESR Christchurch Science Centre 27 Creyke Road Ilam 8041 Christchurch. 3
- Version number Update 3
- 2.0 20072006 Change to meet new 2005 Drinking Water Standard 3
- 2.0 Reviewed no Change 3
- 3.0 Reviewed. Change of approver. Minor text changes 3
- 4.0 Reviewed. Change of approver. 3
- 5.0 Reviewed and updated to include non-drinking water samples. Guidance allied with Standard Methods 9060 and 9213 and Taumata Arowai Drinking-Water Guidelines 2019 Chapter 6 section 6.4. 3
