Table 3.

Communication of a degree of defeat of people with maintenance НвСО in blood

Results of data processing under maintenance (contents) НвСО in blood of the person depending on operating concentration CO and are presented to an exposition of infection in таb.4.

Table 4.

Maintenance(contents) НвСО in blood at various operating concentration CO and expositions of infection

At a substantiation of norm of influence on item 2 tab. 2 was accepted, that at extreme situations admissible maintenance НвСО is 20, garanting not causing loss of consciousness at evacuation (the bottom quarter of area of occurrence of symptoms of a poisoning, tab. 3). For achievement of such maintenance НвСО, according to data tab. 4, at concentration of 2300 mg/?3 it is possible to be 5 min, at concentration of 1700 mg/?3 - 10 min (p.6 tab.2); at concen-tration of 1200 mg/?3 - 25 mines, at concentration of 1000 mg/?3 - 30 minutes

The bottom border of area of loss of consciousness (tab. 3) is reached at concentration of 2300 mg/?3 - for 15 min; at concentration of 1700 mg/?3 - for 30 min; at concentration of 1200 mg/?3 - for 60 minutes