Legal action level criteria

Decisions Made with the Legal Action Level Criteria. Proper application of the NIOSH Action Level (Equation A-19) requires... 

Figure 4. Decision contours resulting from the Legal Action Level Criteria AL = J/2, and UAL = 1. Each marks the location of one of the charts from Figure L...

In comparison with the Legal Action Level Criteria, both the AL and the UAL for the OSHA Criteria are shifted to the right. Shifting the UAL reduces P(N0T OK) while increasing P( ). 

Shifting the AL reduces P( ) while increasing P(0K). Since the AL is shifted proportionately further than the UAL, the net result is that the compliance officer has a higher P(0K) and a lower P(N0T OK) than does an employer who makes his decisions using the Legal Action Level Criteria. In addition, for most workplaces the compliance officer has a much lower P( ) than does the employer. These comments can be reinforced by careful comparison of Figures 4 and 5 with the aid of Tables II and III. 

The most telling comparison is that between Figures 4 and 6, There are many workplaces with GSD > 1.5 which are likely to be declared OK by the Legal Action Level Criteria but which could be cited by a conscientious compliance officer who collects more than five or six samples ... 

---