Timeline for is water filter log reduction multiplicative?
Current License: CC BY-SA 4.0
6 events
when toggle format | what | by | license | comment | |
---|---|---|---|---|---|
Mar 21 at 20:32 | history | edited | jhnc | CC BY-SA 4.0 |
added 1271 characters in body
|
Mar 16 at 2:44 | comment | added | jhnc | it may be relevant that my question to each organisation was slightly different from the question here: I customised with a product from the company I wrote to (protozoa for sawyer, viruses for the other two; for NSF I just asked about "particular contaminant"). I also asked if they had pointers to scientific research | |
Mar 16 at 2:40 | history | edited | jhnc | CC BY-SA 4.0 |
lifestraw response
|
Mar 8 at 10:45 | history | edited | jhnc | CC BY-SA 4.0 |
added 66 characters in body
|
Mar 1 at 21:18 | history | edited | jhnc | CC BY-SA 4.0 |
added 10 characters in body
|
Mar 1 at 21:00 | history | answered | jhnc | CC BY-SA 4.0 |