Table 1.

List of target compounds, showing abbreviations in this paper, CAS number, number of rings, vapor pressure, instrument detection levels (IDLs) and concentration in the spiking solution.

Group	Compound	Abbrev.	CAS #	# of rings	Vapor pressure (mmHg at 25 °C)	IDL (ng/mL)	Concentration in spiking solution (ng/μL)
	Naphthalene	NAP	91-20-3	2	8.50E-02	0.1	2.5
	Acenaphthylene	ACY	208-96-8	3	6.68E-03	0.2	2
	Acenaphthene	ACT	83-32-9	3	2.15E-03	0.1	5
	Phenanthrene	PHE	85-01-8	3	1.21E-04	0.1	10
	Anthracene	ANT	120-12-7	3	6.53E-06	0.1	1
	Fluoranthene	FLA	206-44-0	4	9.22E-06	0.2	7.5
PAHs	Pyrene	PYR	129-00-0	4	4.50E-06	0.1	2
	Benzo[a]anthracene	BAA	56-55-3	4	2.10E-07	0.1	10
	Chrysene	CHR	218-01-9	4	6.23E-09	0.2	10
	Benzo[b]fluoranthene	BBF	205-99-2	5	5.00E-07	0.3	10
	Benzo[k]fluoranthene	BKF	207-08-9	5	9.65E-10	0.3	0
	Benzo[a]pyrene	BAP	50-32-8	5	5.49E-09	0.1	1
	Indeno[1,2,3-c,d]pyrene	IND	193-39-5	6	1.25E-10*	0.8	10
	Dibenzo[a,h]anthracene	DBA	53-70-3	5	9.55E-10	1.1	10
	1-Nitronaphthalene	1-NNAP	86-57-7	2	4.80E-04	0.2	0
	2-Nitronaphthalene	2-NNAP	581-89-5	2	2.83E-04*	0.2	1
NPAHs	2-Nitrobiphenyl	2-NBPH	86-00-0	2	5.21E-04*	0.2	0
	3-Nitrobiphenyl	3-NBPH	2113-58-8	2	1.01E-04*	0.1	0.5
	4-Nitrobiphenyl	4-NBPH	92-93-3	2	3.01E-05*	0.6	0
	2-Nitrofluorene	2-NFL	607-57-8	3	4.43E-06*	0.2	0
	6-Nitrochrysene	6-NCHR	7496-02-8	4	7.61E-09*	0.1	0.5
Hopanes	17α(h),21β(h)-Hopane	Hop19	471-62-5	5	3.91E-07*	0.2	0
	17α(h)-22,29,30-Trisnorhopane	Hop15	53584-59-1	5	2.09E-06*	0.6	0
Steranes	20s-5α(h),14α(h),17α(h)-Cholestane	Ster42	481-21-0	4	8.79E-06*	0.3	0
	20r-5α(h),14β(h),17β(h)-Cholestane	Ster43	69483-47-2	4	n/a	0.3	0

^*Predicted by US EPA. [2011]. Estimation Programs Interface Suite™ for Microsoft® Windows, v 4.10.

Values without an asterisk were taken from the PhysProp Database, Syracuse Research Corporation (SRC), USA.