A third party testing company will test to the protocol and volume of water that the manufacturer dictates. As you can see from Berkey’s own website https://berkeywaterkb.com/black-berkey-purification-elements-test-results/ their test results range from: 2 litres to 750 litres

• Black-Berkey-VOC-Pesticide-THM-HAA5-Removal-Test-Report ¦ test result is based on 0.5 GAL / 2 Litres of water tested

• Berkey-Leptospira-efficacy-BCS1711146-1  ¦ test result is based on 1.3GAL / 5 Litres of water tested

• Berkey-Crypto-and-Giardia-Study-BCS-1805039-40-05-09-2018r ¦ test result is based on 2.1 GAL / 8 Litres of water tested

• Black-Berkey-Virus-Bacteria-Removal-Test-Report ¦ test result is based on 10 GAL / 38 Litres of water tested

• Black-Berkey_Perfluorinated-Chemical-Removal-Test-Report ¦ test result is based on 25GAL / 95 Litres of water tested

• Black-Berkey-Gross-Alpha-Radiologica-Removal-Test-Report ¦ test result is based on 50 GAL / 190 Litres of water tested

• Black-Berkey-Gross-Beta-Radiologica-Removal-Test-Report ¦ test result is based on 50 GAL / 190 Litres of water tested

• Black-Berkey-Uranium-Radiological-Removal-Test-Report ¦ test result is based on 50 GAL / 190 Litres of water tested

• PF-2-Testing-2018-for-KB ¦ test result is based on 378 Litres of water tested

• Black-Berkey-Lead-Reduction-Test-Report ¦ test result is based on 200 GAL / 750 Litres of water tested

• LabResults07.02.19V2 ¦ DO NOT KNOW HOW MANY LITRES WERE TESTED

• Black-Berkey-Heavy-Metal-Chemical-VOC-Pharmaceutical-Petrol-Removal-Test-Report ¦ DO NOT KNOW HOW MANY LITRES WERE TESTED

• Black-Berkey-Heavy-Metal-MBAS-Chlorine-Turbidity-Removal-Test-Report ¦ PAGE 1 MISSING ¦ DO NOT KNOW HOW MANY LITRES WERE TESTED

Our Ultra Sterasyl (new name for the ATC Super Sterasyl) claims are based on a 800 Gallons / 3,030 litre test (double the life of the element) and we show the performance over the 800 Gallons / 3,030 litres.

• British Berkefeld Ultra Sterasyl/ATC Super Sterasyl Pesticides Test Report ¦ test result is based on 800 GAL / 3,030 Litres of water tested

• British Berkefeld Ultra Sterasyl/ATC Super Sterasyl Pharma Test Report ¦ test result is based on 800 GAL / 3,030 Litres of water tested

• British Berkefeld Ultra Sterasyl/ATC Super Sterasyl Lead Test Report ¦ test result is based on 800 GAL / 3,030 Litres of water tested

• British Berkefeld Ultra Sterasyl/ATC Super Sterasyl Metals Tests Report ¦ test result is based on 800 GAL / 3,030 Litres of water tested

• British Berkefeld Ultra Sterasyl/ATC Super Sterasyl Chemical Reduction Tests Report ¦ test result is based on 800 GAL / 3,030 Litres of water tested

• British Berkefeld Ultra Sterasyl/ATC Super Sterasyl PFAS Reduction Tests Report ¦ test result is based on 792 GAL / 3,000 Litres of water tested

• We do not make a virus claim as you need micromembrane ultra-filtration of less than 0.1 microns. Ceramic can filter down to 0.2 microns and one of the best carbon blocks go down to 0.5 microns.

It is all to do with integrity and consumers’ health and safety. I see ourselves as a filter company providing authentic solutions with nearly 200 years of history not a marketing company.

https://thewirecutter.com/reviews/big-berkey-water-filter-system/

Regarder cette phrase, en fait pour simplifier , effet d’annonce , il ne vous garantisse rien. Aucun risque.

https://archive.org/details/berkey-lawsuit-court-documents_202210/Berkey-Koslow-One%20World%20lawsuit/

A vérifier. Hongrie ( interdiction de vente)

https://www.nnk.gov.hu/index.php/kozegeszsegugyi-foosztaly/telepules-egeszsegugyi-klimavaltozas-es-kornyezeti-egeszseghatas-elemzo-osztaly/hatosagi-ugyintezesek-ugyleirasok/486-forgalombol-kitiltott-termekek-ivoviz

https://www.penzcentrum.hu/vasarlas/20220206/tiltolistara-tette-a-hatosag-ezeket-a-vizszuroket-kancsokat-ne-hasznald-ha-ilyet-vettel-1121723?fbclid=IwAR1RNxBPbovFYiS8SnnTH-tsfJGOnNMcJaBLvJkgSA2RkE7Pn_NUQkTCmRs


 Filtre Berkey: Voici la vérité (4perfectwater.com)

Big Berkey Water Filter System Review | Reviews by Wirecutter (nytimes.com)

Les filtres à eau Berkey ne peuvent pas être expédiés en Californie (bigberkeywaterfilters.com)

Les filtres à eau Berkey sont-ils une arnaque et dangereux? – Vérité sur le fluorure (truthaboutfluoride.com)

https://berkeywaterkb.com/black-berkey-purification-elements-test-results/ from this recent article from https://mytapscore.com/blogs/tips-for-taps/what-do-berkeys-filter-out#MainContentBody