Table 4.

Contributions of Personal exposure concentration to seven c-PAHs and pyrene by outdoor, home indoor and other microenvironmental sources.

		Summer (n=18)		Transition (n=41)		Winter (n=16)		Overall (n=75)
		Mean	SE	Mean	SE	Mean	SE	Mean	SE
B[a]A	Outdoor sources	0.52	0.06	3.40	1.05	11.51	1.88	4.44	0.83
	Home indoor sources	0.10	0.02	0.31	0.07	0.41	0.35	0.28	0.08
	Other indoor sources	0.09	0.03	−0.12	0.19	0.64	0.90	0.09	0.22
B[b]F	Outdoor sources	1.10	0.14	4.27	0.75	12.90	2.01	5.35	0.76
	Home indoor sources	0.08	0.04	0.80	0.18	2.76	0.57	1.05	0.19
	Other indoor sources	−0.13	0.10	−0.33	0.73	4.68	3.74	0.79	0.90
B[k]F	Outdoor sources	0.38	0.05	1.25	0.25	3.96	0.62	1.62	0.24
	Home indoor sources	0.07	0.03	0.37	0.07	0.84	0.27	0.40	0.08
	Other indoor sources	−0.13	0.06	−0.29	0.29	1.33	0.82	0.09	0.25
B[ghi]P	Outdoor sources	0.62	0.06	2.34	0.56	5.48	0.98	2.60	0.41
	Home indoor sources	0.13	0.03	1.09	0.18	2.06	0.30	1.07	0.14
	Other indoor sources	0.11	0.11	−0.18	0.54	1.34	2.02	0.21	0.52
B[a]P	Outdoor sources	0.46	0.07	2.41	0.57	8.12	1.48	3.16	0.54
	Home indoor sources	0.08	0.02	1.44	0.25	2.93	0.49	1.43	0.20
	Other indoor sources	0.06	0.06	−0.87	0.83	2.22	2.63	0.01	0.72
D[ah]A	Outdoor sources	0.14	0.02	0.57	0.16	1.40	0.26	0.65	0.11
	Home indoor sources	0.05	0.03	0.25	0.04	0.51	0.08	0.26	0.03
	Other indoor sources	−0.10	0.05	0.01	0.10	0.60	0.59	0.11	0.14
IP	Outdoor sources	0.72	0.08	2.91	0.62	7.17	1.29	3.29	0.50
	Home indoor sources	0.14	0.04	1.62	0.45	2.45	0.34	1.44	0.27
	Other indoor sources	0.00	0.10	0.08	0.70	1.72	2.32	0.41	0.62
pyrene	Outdoor sources	2.07	0.19	5.91	1.49	17.10	2.77	7.37	1.17
	Home indoor sources	0.08	0.07	−0.04	0.11	−1.20	0.40	−0.26	0.12
	Other indoor sources	2.84	2.40	−2.08	0.95	−2.25	1.80	−0.94	0.89