Anonymous ID: e03888 April 1, 2020, 10:36 a.m. No.8649890   🗄️.is 🔗kun

>>8649801

 

https://en.wikipedia.org/wiki/ATP_test

 

https://www.sanitationtools.com/blog/show/what-is-atp-testing

 

many atp test products, one example:

https://www.hygiena.com/recommendations.html