Water Testing QC - Membrane Filtration
Issue: 2, Sep 09 © BTF Pty Ltd. 2006 / This document is not legally binding, bioMérieux reserves the right to modify specifications without notice/ bioMérieux, the blue logo, BTF and BioBall are used, pending, and/or registered trademarks belonging to bioMérieux SA,
or one of its subsidiaries. ATCC is a trademark belonging to the American Type Culture Collection Corporation. BioBall® does not contain organisms sourced from The American Type Culture Collection®. NATA is a trademark belonging to the National Association of
Testing Authorities. bioMérieux RCS Lyon 673 620 399 - BTF ABN 22 086 488 084.
Quantitative Positive Control for Membrane Filtration
1. Remove vial containing BioBall® from freezer
2. Remove stopper of BioBall vial
3. Tip BioBall into sterile water sample. Seal sample.
4. Shake sealed sample for 30 seconds
5. Pour sample through membrane filter
6. Perform remaining QC test steps according to standard laboratory operating procedure.
Media QC
1. Place membrane on filter aparatus without funnel or vacuum
2. Add 1mL of sterile water or saline to centre of membrane
3. Remove BioBall vial from freezer
4. Remove stopper from the BioBall vial
5. Slowly tip BioBall onto the centre of the membrane
6. Allow 30 seconds to dissolve
7. Apply vacuum to remove water/saline
8. Turn off vacuum and transfer membrane to media
9. Incubate and count colonies
10. Calculate % recovery
Benefits of using BioBall for Water Testing Quality Control
•
Simplifies quantitative quality control
•
Unprecedented precision
•
Helps meet accreditation requirements
Water Industry Enquires:
BTF Pty Ltd.
Sydney Australia
Tel. 61 (0) 2 8877 9150
Fax. 61 (0) 2 8877 9101
www.btfbio.com