Table 2. Major VOCs consistently identified in experimental soil samples throughout the decomposition stages (excluding fresh).

	Bloat	Active Decay	Advanced Decay	Skeletonization	Literature Citation
Sulphide
Dimethyl sulphide				▴	[14], [18], [19], [20], [21], [26], [32]
Dimethyl disulphide	▴	▴	▴	▴	[14], [18], [19], [20], [21], [26], [31], [32], [43]
Dimethyl trisulphide	▴	▴	▴	▴	[14], [18], [19], [21], [26], [31], [32], [41]
2,4-dithiapentane		▴			[14], [34]
3-methylthiophene		▴			[21]
Nitrogen-containing
Trimethylamine		▴		▴	[21], [22], [27], [34], [40]
3-methylpyridine		▴		▴	[21]
Benzonitrile				▴	[18], [21], [22]
Benzylnitrile				▴	[21]
Aromatic
Indole		▴	▴	▴	[20], [21], [27], [40]
2-ethylfuran		▴		▴	[32]
2-butylfuran				▴	NR*
2-pentylfuran		▴	▴	▴	[20], [27], [40]
2-methyltetrahydrofuran			▴	▴	NR
2-butyltetrahydrofuran				▴	NR
Styrene		▴		▴	[18], [19], [26], [30], [41]
Carboxylic Acid
Acetic acid		▴			[22], [34], [41]
2-methylbutanoic acid		▴			[3], [21], [22], [27]
Benzoic acid				▴	[21]
Ester
Methyl acetate				▴	NR
Ethyl acetate		▴			NR
Propyl acetate		▴			[21], [32]
Propanoic acid, 2-methyl-,ethyl ester		▴			[32]
Propanoic acid, ethyl ester		▴			NR
Butanoic acid, 1-methyl-, ethyl ester		▴			NR
Butanoic acid, ethyl ester		▴			[20], [32]
Butanoic acid, 2-methyl-, ethyl ester		▴			NR
Butanoic acid, 3-methyl-, butyl ester		▴			[21]
Butanoic acid, methyl ester		▴			NR
Butanoic acid, propyl ester		▴			NR
Butanoic acid, butyl ester		▴			[20], [21]
Pentanoic acid, ethyl ester		▴			NR
Aldehyde
Hexanal		▴	▴		[19], [20], [27], [30], [32], [40]
Octanal				▴	[3], [19], [20], [22], [30]
Nonanal		▴	▴	▴	[18], [19], [20], [27], [30], [41]
3-methylbutanal		▴	▴	▴	[22], [26], [30], [34]
2-phenylpropenal		▴			NR
2-methyl-prop-2-enal		▴			NR
Ketone
2-butanone		▴	▴	▴	[22], [26], [30], [32], [34]
3-methyl-2-butanone				▴	[22], [34]
2-pentanone		▴	▴	▴	[22], [32], [34]
2-hexanone		▴		▴	[32]
2-heptanone		▴		▴	[3], [20], [22], [27], [32]
2-octanone				▴	[3], [22]
3-octanone			▴	▴	[3], [22]
2-nonanone		▴		▴	[3], [19], [22], [27], [32]
2-undecanone		▴		▴	[3], [22], [27]
2-nonadecanone		▴		▴	NR
1-phenylethanone		▴		▴	[3], [20], [31], [34]
3-methyl-3-buten-2-one		▴			NR
1,7,7-trimethylbicyclo[2.2.1]heptan-2-one				▴	NR
Alcohol
Ethanol		▴	▴	▴	[19], [21], [26], [30], [32]
1-propanol		▴	▴	▴	[3], [22]
2-propanol			▴	▴	[26]
2-methyl-1-propanol		▴	▴	▴	[21], [32], [34]
2-propen-1-ol		▴			NR
1-butanol		▴	▴	▴	[21], [22], [32], [34]
2-butanol		▴		▴	[21], [22], [34]
2-methyl-1-butanol		▴	▴	▴	NR
3-methyl-1-butanol		▴	▴	▴	[21], [22]
1-pentanol		▴	▴	▴	[20], [21], [22], [27], [32], [34], [40]
2-pentanol		▴		▴	[32], [34]
2-hexanol				▴	NR
2-heptanol				▴	NR
1-octanol				▴	[21], [22]
1-nonanol				▴	[41]
Phenol		▴	▴	▴	[3], [18], [21], [22], [26], [31], [34], [41]
4-methylphenol		▴		▴	[3], [21], [22], [26]
2-phenylethanol		▴		▴	[21]
Hydrocarbon
Pentane		▴		▴	[30]
Hexane		▴	▴	▴	[19],
1-hexene				▴	[32], [34]
Heptane		▴	▴	▴	[18], [26], [30], [32], [34]
1-heptene				▴	[32], [34]
Octane		▴	▴	▴	[22], [26], [30], [32]
1-octene			▴	▴	[22]
Tridecane				▴	[34], [41]
Pentadecane				▴	[34], [41]
1-pentadecene				▴	NR
8-heptadecene				▴	NR
α-pinene		▴	▴	▴	[32], [34]
β-pinene				▴	NR
1-methyl-2-pentylcyclopropane			▴		NR
1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene				▴	NR

*NR =  Not Reported in Literature.