Section Env-Dw 403.01 - Coatings, Surfaces, and Additives(a) All chemicals added to drinking water and all coatings and surfaces in contact with drinking water shall be tested and certified in accordance with the applicable direct and indirect additives standard numbers 60 and 61 of the American National Standards Institute (ANSI), as indicated in Table 403-1.(b) For chemicals, the original producer of the product shall obtain the certification. Repackers of chemicals shall not be required to obtain separate certification, provided however, that repackers shall self-certify that the cleanliness of their procedures and purity of the resultant product is equivalent to that required of the original manufacturer.(c) Any person who undertakes reformulation of chemicals shall obtain certification in accordance with ANSI 60.(d) Agencies or firms providing testing and certification for others shall be certified by the ANSI.(e) The applicable ANSI standard for materials covered by (a), above, shall be as specified in Table 403-1, available as specified in Appendix B: Table 403-1: ANSI 60 and 61 APPROVALS
| Product Type | ANSI Standard Number | Edition |
| Drinking Water Treatment Chemicals | 60 | 01/05/2004 |
| Pipes and Related Products | 61 | 11/22/2003 |
| Protective (Barrier) Products | 61 | 11/22/2003 |
| Joining and Sealing Materials | 61 | 11/22/2003 |
| Process Media | 61 | 11/22/2003 |
| Mechanical Devices | 61 | 11/22/2003 |
N.H. Admin. Code § Env-Dw 403.01
(See Revision Note at part heading for Env-Dw 403) #10610, eff 6-1-14