And MS2 Virus)

Consumer Voice - - Ro Water Purifiers -

On retest­ing of mi­cro­bi­o­log­i­cal pa­ram­e­ters (

The com­ments of all the man­u­fac­tur­ers are of a sim­i­lar type – that is, their own tests on re­duc­tion of toxic met­als, E. coli and MS2 virus are not match­ing the Con­sumer Voice test re­sults. All of them have re­quested for retests on fresh sam­ples, prefer­ably at an­other lab.

VOICE So­ci­ety’s re­ply

The des­ig­nated NABL lab has been reg­u­larly do­ing tests of drink­ing wa­ter and wa­ter pu­ri­fiers as per rel­e­vant In­dian Stan­dards. In fact, some of the man­u­fac­tur­ers have been send­ing sam­ples from their pro­duc­tion line for test­ing to this lab. So, the test pro­ce­dure it­self is well-known to them and can­not be ques­tioned. VOICE So­ci­ety has been con­duct­ing com­par­a­tive test­ing of con­sumer prod­ucts since 1991. The tech­ni­cal ad­vi­sors of VOICE So­ci­ety closely mon­i­tor the ac­tiv­i­ties of lab­o­ra­to­ries dur­ing test­ing of prod­ucts. Re­gard­ing the sug­ges­tion for retest­ing for E. coli, MS2 virus and heavy met­als, it must be noted that the com­par­a­tive test­ing of RO sys­tems has al­ready taken ap­prox­i­mately five months. Fur­ther, the lab­o­ra­tory has con­firmed that they have retested, on a ran­dom ba­sis, 30 per cent of the RO sys­tems avail­able with them and found that the retest re­sults are very close to the ear­lier re­sults. Fur­ther, it is a time-bound project and retest­ing of new mod­els of all the 10 brands is not fea­si­ble. Since this is an on­go­ing ac­tiv­ity by VOICE, we will give due con­sid­er­a­tion to man­u­fac­tur­ers’ sug­ges­tions in the next round of test­ing of wa­ter pu­ri­fiers. As of now, their com­ments have been noted in our records and are re­pro­duced in the re­port along with our find­ings.

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