Table 2. Tentative compound identifications for chromatographic peaks belonging to volatile clusters associated vaccination (CLUS) or immune regression model (rVBA) where symbol identifies positive regression coefficients (+) or negative regression coefficients (-).

Compound Name	Raccoon		Skunk
	CLUS	rVBA	CLUS	rVBA
Benzaldehyde				+
2-Butyl-2-octenal		-
2-Ethylhexanoic acid		-
2-Ethyl-1-hexanol		+
Hexanal			X
Isobutyric acid		+
Methylisobutylketone	X
2-Methylquinoline (also Quinaldine)				+
4-Nonanone			X	-
γ-Nonalactone				+
1-Octen-3-ol	X			+
2-Pentylfuran			X
Phenol				-
Propanoic acid		-
Propanoic acid, 2-methyl-2,2-dimethyl-1-(2-hydroxy-1-methylethyl)propyl ester		-		-
Toluene	X
Unknown compound A			X	+
Unknown compound B		+