OBSP Statistical Summary for STYRENE

Spike Level	Range	N	Mean	Std-Dev.	Median	F_Pseudo
ULTRA-LOW	0.01-0.155	42	93%	19%	95%	18%
LOW	0.155-0.5	30	96%	13%	95%	15%
MEDIUM	0.5-2.5	13	109%	16%	107%	7%
HIGH	2.5-10.0+	4	102%	13%	101%	14%