JIS
23

Nov

2021

JIS B 9946:2019

Ozone treatment apparatus for water and wastewater including other oxidation uses — Specifications of apparatus and measurement methods for ozone concentration
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2019

JIS
23

Nov

2021

JIS K 0311:2020

Method for determination of tetra-through octachlorodibenzo-p-dioxins, tetra-through octachlorodibenzofurans and dioxin-like polychlorinatedbiphenyls in stationary source emissions
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2020