Compound

Retention time (min)

Precursor ion (m/z)

MRM 1 (quantification) (m/z)

MRM 2 (confirmation) (m/z)

Fragmentor (V)

Collision energy (V)

MeP

6.225

151.2

92.1

136.1

70

16

EtP

9.006

165.2

92.1

137.1

79

20

PrP

11.578

179.2

92.1

136.1

99

24

PFBuA

3.322

213

169

51.6

55

0

PFPeA

7.302

263

219

89.7

55

0

PFHxA

10.453

313

269

119

60

0

PFHpA

12.647

363.1

319

332.8

65

0

PFOA

14.268

413.1

369.1

194.3

62

0

PFOS

15.595

499

80

51.5

145

40

HBCDD

21.918

640.7

81

79

67

40