Underwriters Laboratories – Certification Activities for Drinking Water Treatment Equipment

1. Underwriters Laboratories – Certification Activities for Drinking Water Treatment Equipment Dr. T.N.V.V. Rao Underwriters Laboratories

2. UL Overview • A Leader in Global Conformity Assessment 21 billion UL Marks appeared on products 71,680 manufacturers produced UL certified products 108,745 product evaluations 19,214 product types evaluated by UL 223 million consumers reached with safety messages in the United States and Canada

3. UL’s Global Family Is At Your Service AsiaEuropeLatin & North America China Czech Republic Argentina Hong Kong Denmark Brazil India Finland Canada Japan France Chile Korea Germany Mexico Malaysia Italy United States Singapore Poland Taiwan Spain Sweden Switzerland United Kingdom

4. UL’s Drinking Water Program

5. Drinking Water Program Drinking Water Product Certification Drinking Water Analytical services Comprises four service lines Bottled Water Certification Water QualityCheckTM

6. Drinking Water Product Certification

7. Drinking Water Product Certification • ANSI accredited global certification program • Dedicated team of engineers, chemists and sanitarians all over the world • Active participation at trade shows, joint committees and industry task groups

8. Drinking Water Product Certification Drinking Water Treatment Units • Drinking water treatment units – aesthetic effects (non health) - NSF/ANSI 42 • Drinking water treatment units – health effects - NSF/ANSI 53 • UV microbiological water treatment systems - NSF/ANSI 55 • R.O drinking water treatment systems – - NSF/ANSI 58 • Residential Water softeners - NSF/ANSI 44

9. DWTU Certification Process • The steps involved: • Client requests certification • UL provides quote and requests client authorization • Information acquistion • Gather information on company and products, which includes a Wetted Parts List • Plant Audit • A representative from our office staff will visit each manufacturing facility for a preliminary production inspection. Samples are selected at this time.

10. DWTU Certificaiton Process (contd.) • ProductTesting • Products are tested as per the standard • Results verified to meet standard requirements • Literature Review • All product literature and packaging will be reviewed • Classification • A report is written and upon successful completion, products will be authorized to bear the UL mark. Products will be listed on UL’s website. • Follow-up services • UL field rep will make semi-annual unannounced factory visits to monitor ongoing quality control. Recertification evaluation every 5 years.

11. DWTU StandardsWhat does being certified mean? • Material Safety • Product does not impart contaminants into the potable water pathway • Extraction testing depends on product’s ingredients • Structural Integrity • Cycle testing to simulate operation of product over a projected lifetime • Hydrostatic testing ensures product design is capable of withstanding intended application

12. Drinking Water Product Certification Drinking Water System Components • Housings, tubing • Valves & gaskets • Tanks & Coatings • Health Effects -NSF/ANSI Standard 61 Drinking Water Treatment Chemical Additives • Disinfectants/antiscalants/dispersants/coagulants • Health Effects - NSF/ANSI Standard 60

13. UL’s Water Quality Mark An important credential in your key markets • Demonstrates compliance to all applicable health-effect standards • Fully recognized and accepted by the U.S. EPA as well as AHJ’s in the U.S. & Canada

14. Questions & Feedback