Priority PAH Pollutants on Rxi-SVOCms (SIM)

	Peaks	t_R (min)
1.	Naphthalene	6.27
2.	2-Methylnaphthalene	7.09
3.	1-Methylnaphthalene	7.20
4.	Biphenyl	7.65
5.	2,6-Dimethylnaphthalene	7.84
6.	Acenaphthylene	8.17
7.	Acenaphthene	8.38
8.	2,3,5-Trimethylnaphthalene	8.85
9.	Fluorene	9.01
10.	Dibenzothiophene	10.02
11.	Phenanthrene	10.18

	Peaks	t_R (min)
12.	Anthracene	10.24
13.	1-Methylphenanthrene	10.94
14.	Fluoranthene	11.64
15.	Pyrene	11.91
16.	Benz[a]anthracene	13.45
17.	Chrysene	13.50
18.	Benzo[b]fluoranthene	15.13
19.	Benzo[k]fluoranthene	15.18
20.	Benzo[a]pyrene	15.69
21.	Indeno[1,2,3-cd]pyrene	17.77
22.	Dibenz[a,h]anthracene	17.82
23.	Benzo[ghi]perylene	18.26

The internal standard and surrogate standard mass on column is 20 pg.

Injection
Column	Rxi-SVOCms, 30 m, 0.25 mm ID, 0.25 µm (cat.# 16623)
Standard/Sample	Custom PAH SIM standard
Diluent:	Dichloromethane
Conc.:	40 µg/mL
Inj. Vol.:	1 µL split (split ratio 20:1)
Liner:	Topaz 4.0 mm ID single taper inlet liner with wool (cat.# 23303)
Inj. Temp.:	250 °C
Split Vent Flow Rate:	24 mL/min
Oven
Oven Temp.:	40 °C (hold 0.5 min) to 280 °C at 20 °C/min to 330 °C at 6 °C/min (hold 4 min)
Carrier Gas	He, constant flow
Flow Rate:	1.2 mL/min

Detector

Mode:

SIM

SIM Program:

Group	Start Time (min)	Ion(s) (m/z)	Dwell (ms)
1	5.00	127.05, 128.05, 129.00	25
2	6.75	115.10, 139.00, 141.00, 142.05	25
3	7.47	141.00, 152.00, 153.05, 154.05, 155.05, 156.10, 162.10, 164.10	15
4	8.03	150.00, 151.05, 152.05, 153.05, 154.10, 162.10, 164.10	15
5	8.66	153.05, 155.10, 163.05, 164.10, 165.05, 166.05, 169.10, 170.10	15
6	9.62	139.00, 151.95, 176.10, 177.10, 178.10, 179.10, 183.95, 185.00, 188.10, 189.10	15
7	10.71	189.05, 190.05, 191.10, 192.10	25
8	11.37	200.10, 201.10, 202.10, 203.05	20
9	11.81	200.10, 201.05, 202.05, 203.05	20
10	12.84	114.00, 120.00, 226.10, 227.10, 228.10, 229.10, 240.10	15
11	14.48	126.00, 132.00, 250.10, 252.10, 253.10, 264.00	15
12	15.51	126.00, 132.00, 250.05, 252.05, 253.05, 264.00	20
13	16.95	134.50, 137.95, 139.00, 274.05, 276.10, 277.10, 278.10, 279.10	20
14	18.10	138.00, 139.00, 274.05, 276.10, 277.10, 278.1	25
15	18.80	150.00, 151.00, 156.00, 600.00, 302.00, 312.00	25

Transfer Line Temp.:

280 °C

Analyzer Type:

Quadrupole

Source Type:

Extractor

Extractor Lens:

6 mm ID

Source Temp.:

330 °C

Quad Temp.:

150 °C

Tune Type:

DFTPP

Ionization Mode:

Instrument

Agilent 7890B GC & 5977A MSD

Sample Preparation

200 ppm standard diluted 5x, then analyzed at 20:1 split. Samples were aliquoted into amber 2 mL, 9 mm short-cap, screw-thread vials (cat.# 21143) containing glass Big Mouth inserts (cat.# 21782) and sealed with 2.0 mL, 9 mm short-cap, screw-vial closures (cat.# 23842).

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