Compound

Calibration

R²

Average recovery^* (%)

R.S.D^* (%)

Hexachlorobenzene

y = 103.1531x + 3335.219

0.9930

90.66 ± 1.79

1.82

Lindane

y = 32.2791x + 1345.398

0.9876

93.07 ± 0.69

1.19

Aldrin

y = 75.41816x + 2372.263

0.9904

91.26 ± 1.07

1.17

Heptachlor

y = 79.14032x + 3423.263

0.9903

105.68 ± 3.25

3.08

Clordane

y = 103.1175x + 2074.485

0.9935

95.40 ± 2.32

2.43

Cis-Clordane

y = 84.81596x + 929.8195

0.9897

93.67 ± 0.90

1.68

p,p’-DDE

y = 86.3497x + 1877.259

0.9931

97.34 ± 1.80

1.83

Dieldrin

y = 71.61183x + 1392.62

0.9943

87.98± 1.02

1.45

o,p’-DDD

y = 58.34518x + 8971.62

0.9735

97 ± 2.56

2.27

p,p’-DDD

y = 91.5611x + 4521.11

0.9832

88.1 ± 0.82

1.47

p,p’-DDT

y = 42.1294x − 1180.484

0.9805

100.30 ± 0.81

0.81