Ion source

220˚C

Interface temperature

250˚C

Operation mode

SIM

Ionization mode

EL

OCPs

Retention time (min)

m/z

Hexachlorobenzene

8.83

284, 286

Lindane

9.32

281, 219

Aldrin

11.85

263, 261

Heptachlor

12.98

272, 274, 183, 353

Chlordane

13.77

373, 375

Cis-Chlordane

14.33

373, 375

p,p’-DDE

15.14

Dieldrin

15.28

79, 277

o,p’-DDD

15.48

235, 165, 235, 165

p,p’-DDD

16.05

p,p’-DDT

17.18