Analyte

Aging time in week (s)

Extractability, % Recovery (SD)^*, of the analytes from

the soil samples

TS

NS

WS

GS

alpha-HCH

1

120.6 (0.8)

120.4 (0.1)

107.7 (1.5)

116.3 (1.6)

9

105.1 (0.9)

114.5 (0.7)

100.0 (2.7)

101.0 (0.1)

gamma-HCH

1

117.6 (1.9)

116.8 (1.0)

108.0 (1.9)

114.8 (1.8)

9

103.3 (0.4)

109.5 (0.6)

100.8 (3.2)

99.1 (0.2)

Heptachlor

1

112.0 (0.8)

112.5 (0.3)

106.6 (2.9)

111.3 (1.2)

9

103.9 (0.5)

95.4 (0.2)

94.0 (2.0)

98.1 (1.4)

delta-HCH

1

129.3 (0.7)

128.5 (0.3)

119.2 (3.0)

125.1 (3.0)

9

119.4 (0.7)

123.8 (0.8)

106.3 (3.6)

109.3 (1.3)

Aldrin

1

74.8 (0.5)

68.0 (0.4)

62.4 (1.0)

76.9 (0.9)

9

65.0 (0.9)

76.6 (1.2)

73.7 (2.1)

69.4 (0.3)

alpha-endosulfan

1

86.6 (0.8)

88.3 (0.6)

93.5 (1.5)

85.2 (2.1)

9

18.0 (0.1)

55.3 (0.2)

14.3 (0.5)

61.9 (0.3)

pp' DDE

1

118.5 (0.9)

116.7 (1.0)

108.0 (2.2)

112.6 (2.8)

9

109.4 (0.5)

110.9 (0.6)

101.9 (3.4)

98.3 (0.8)

Dieldrin

1

89.7 (1.0)

92.4 (0.8)

85.4 (2.2)

87.6 (0.6)

9

85.9 (0.5)

90.5 (1.6)

79.2 (3.7)

78.0 (1.4)

Endrin

1

120.7 (0.6)

119.0 (1.2)

116.3 (2.8)

120.5 (2.0)

9

115.2 (0.4)

114.2 (0.8)

109.1 (3.2)

103.8 (0.4)

pp’-DDT

1

108.7 (1.9)

112.5 (1.3)

107.3 (1.2)

112.9 (2.5)

9

116.1 (0.5)

114.6 (1.1)

105.3 (3.0)

105.6 (0.4)

beta-endosulfan

1

91.9 (1.5)

93.4 (0.7)

119.4 (2.9)

92.1 (2.4)

9

62.9 (0.1)

84.1 (0.2)

50.2 (2.0)

78.3 (0.02)

Endrin aldehyde

1

28.9 (5.8)

57.4 (4.1)

53.4 (2.7)

50.9 (1.1)

9

4.2 (0.5)

5.1 (0.3)

5.0 (0.4)

5.7 (1.7)

Endosulfan sulfate

1

95.5 (1.2)

93.4 (1.0)

195.9 (4.1)

95.3 (2.0)

9

82.6 (0.6)

84.1 (0.2)

173.4 (8.3)

80.3 (1.3)