Appendix Table B.8.

VOCs (ng) and Aldehydes (µg) in Lab Blanks and Field Blanks and LODs

	Lab Blanks			Field Blanks
Compound Name	N	Mean	SD	N	Mean	SD	LOD
1,3-Butadiene	33	0.02	0.10	49	0.01	0.08	0.24
2-Methylpentane	33	0.15	0.34	49	0.33	0.73	2.53
2-Methylhexane	33	0.05	0.18	49	0.07	0.27	0.88
3-Methylpentane	33	0.07	0.23	49	0.12	0.38	1.27
2,3-Dimethylpentane	33	0.02	0.12	49	0.13	0.53	1.72
2,2,4-Trimethylpentane	33	0.07	0.16	49	0.19	0.55	1.85
Methylcyclohexane	33	0.00	0.00	49	0.04	0.16	0.51
Benzene	33	1.89	1.99	49	2.29	2.17	8.81
Toluene	33	1.25	1.79	49	1.33	1.15	4.79
m&p-Xylenes	33	0.88	2.06	49	0.86	1.24	4.57
o-Xylene	33	0.11	0.27	49	0.16	0.27	0.98
Ethylbenzene	33	0.12	0.25	49	0.15	0.20	0.75
Styrene	33	0.28	0.44	49	0.37	1.00	3.36
α-pinene	33	0.08	0.25	49	0.01	0.08	0.26
d-limonene	33	0.00	0.00	49	0.00	0.00	0.00
MTBE	33	0.02	0.10	49	0.02	0.09	0.29
Formaldehyde	34	0.03	0.02	47	0.05	0.06	0.22
Acetaldehyde	34	0.03	0.01	47	0.03	0.04	0.13
Acetone	34	0.13	0.07	47	0.12	0.16	0.60

Note: LOD = 3 × the SD of field blanks + mean blank value.