A processing installation, comprising a fluid storage and dispensing vessel containing a physical sorbent medium having sorptive affinity for a fluid of interest useful in manufacture of a radiation-interactive product article, and a process facility for manufacturing said radiation-interactive product article, wherein the fluid storage and dispensing vessel is coupled in dispensing flow communication with the process facility, to flow said fluid of interest thereto, and wherein the radiation-interactive product article comprises an article selected from the group consisting of light-interactive members, light-transmissive members, and optical windows.