Table 1.

Mass transitions and compound-specific parameters.

Compound	Precursor Ion	Product Ion (m/z)	Cone (V)	Collision Energy (eV)
LPFBS	299	80	40	25
PFHxA	313	269	12	8
PFHpA	363	319	15	8
LPHxS	399	80	45	32
PFOA	413	369	15	8
MPFOA (IS)	417	372	16	8
PFNA	463	419	15	9
L-PFOS	499	80	55	45
MPFOS (IS)	503	80	55	45
PFDA	513	469	15	10
L-PFDS	599	80	60	55