OBSP Statistical Summary for BENZENE

Spike Level	Range	N	Mean	Std-Dev.	Median	F_Pseudo
LOW	0.15-0.8	8	104%	7%	105%	6%
MEDIUM	0.81-3	5	104%	8%	105%	6%
HIGH	3.1-8	8	103%	7%	102%	4%