Figure 1From: New views on the hypothesis of respiratory cancer risk from soluble nickel exposure; and reconsideration of this risk's historical sources in nickel refineries Scale drawing of KNR showing building layouts and process flows by time period. Note abutment and connection of key environments, including Ni ER [#9 and 12], and Ni and Cu purification [#10 and 11]. Sources: Thornhill (1986) [F2] & [F4].Back to article page