Sign up to receive email updates, action alerts & health tips from EWG. [Privacy]

Appendix 2: Detailed study results

Mother's Milk: Appendix 2: Detailed study results

September 23, 2003

Results for individual participants (parts per billion PBDEs in breast milk lipid)

PBDE congener

Participant's state of residence

CA1

CA2

CA3

CA4

CO

DC

FL

GA

MA

MA

MI1

MI2

MT1

MT2

MO

OR

TN

TX

VA

WA

3

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

0.10

ND

ND

0.20

ND

ND

ND

ND

7

ND

ND

ND

ND

0.01

ND

0.005

0.01

ND

ND

ND

ND

0.003

ND*

0.04

0.02

ND

0.003

ND

ND

8 + 11

ND

ND*

0.01

ND*

0.01

ND

0.01

0.01

ND

ND

0.01

ND

0.01

0.005

0.06

0.03

ND

ND*

ND

ND

12

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

0.01

ND

ND

ND

ND

ND

ND

ND

13

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

0.01

ND

ND

ND

ND

15

0.40

1.17

1.86

0.36

0.83

0.31

0.42

0.93

0.41

0.29

0.85

0.22

0.32

0.75

17.70

1.04

0.19

0.49

0.30

0.45

17

0.03

0.09

0.06

0.03

0.14

0.04

0.08

0.11

0.05

0.03

0.16

0.04

0.09

0.08

0.46

0.47

0.02

0.07

0.02

0.02

25

0.004

0.02

0.01

0.01

0.04

0.002

0.04

0.01

0.01

0.004

0.02

0.01

0.03

0.01

0.05

0.06

ND

0.01

ND*

0.003

28 + 33

1.26

3.38

3.14

1.23

13.70

0.93

8.06

10.20

1.66

0.89

7.67

1.02

1.73

3.09

43.80

19.10

0.35

2.05

0.36

1.12

35

ND*

ND

ND

ND

ND*

ND

ND

0.02

ND

ND

ND

ND

ND

ND

ND

ND

ND*

ND

ND

ND

37

0.01

0.03

0.03

ND*

0.08

0.01

0.08

0.06

0.02

0.01

0.06

0.01

0.02

0.03

0.40

0.18

0.01

0.02

0.01

0.01

47

14.60

30.80

22.20

10.80

130.00

11.60

111.00

104.00

20.40

15.70

116.00

17.90

30.70

50.10

589.00

379.00

5.53

27.40

5.56

6.51

49

0.14

0.40

0.21

0.12

1.00

0.11

0.29

0.52

0.15

0.08

1.19

0.08

0.38

0.47

2.20

3.69

0.04

0.21

0.04

0.06

66

0.14

0.31

0.24

0.13

1.16

0.09

0.98

1.27

0.15

0.14

1.72

0.12

0.37

0.94

6.05

8.37

0.06

0.29

0.06

0.07

71

0.01

0.03

0.02

0.01

0.05

0.01

0.04

0.04

0.01

0.01

0.13

0.01

0.05

0.06

ND*

0.33

ND#

0.01

0.01

0.004

75

0.01

0.03

0.02

0.01

0.12

0.01

0.05

0.09

0.02

0.01

0.09

0.02

0.04

0.06

0.36

0.43

0.01

0.02

0.01

0.01

85

0.20

0.45

0.47

0.15

1.03

0.16

2.13

1.03

0.23

0.15

2.41

0.42

0.65

1.17

17.10

17.00

0.07

0.37

0.08

0.05

99

2.58

5.75

4.55

1.85

15.50

2.29

15.10

10.90

2.47

2.28

27.00

3.45

9.99

16.30

91.10

200.00

1.00

4.38

1.36

0.76

100

2.22

4.25

4.86

1.72

17.50

1.45

25.00

16.60

4.95

2.51

17.80

5.76

7.92

6.20

171.00

71.80

0.86

3.70

1.89

0.57

119

ND

ND

0.02

0.01

0.05

ND

ND

ND

0.07

ND

ND

ND

ND

0.02

ND

0.22

ND

ND*

ND

0.004

126

0.01

ND

0.01

ND*

0.02

ND*

ND

ND*

0.02

0.005

0.04

0.01

ND

0.02

0.22

ND

ND*

0.01

ND

ND

138 + 166

0.03

0.05

0.06

0.02

0.12

0.02

0.27

0.11

0.04

0.02

0.27

0.08

0.09

0.11

1.76

1.66

ND*

0.04

0.02

ND*

140

0.03

0.07

0.12

0.02

0.22

0.02

0.21

0.10

0.05

0.02

0.28

0.08

0.12

0.06

1.93

0.76

0.01

0.05

0.05

0.01

153

2.43

31.60

40.50

1.91

18.10

2.32

12.00

9.91

2.75

2.39

57.20

5.25

16.20

10.20

122.00

36.50

1.07

4.76

17.50

1.30

154

0.14

0.31

0.30

0.12

0.88

0.10

1.29

0.73

0.38

0.12

1.35

0.32

0.64

0.68

9.80

11.70

0.06

0.23

0.09

0.04

155

0.05

0.08

0.07

0.03

0.26

0.03

0.33

0.23

0.31

0.04

0.30

0.07

0.12

0.12

2.50

1.75

0.02

0.07

0.01

ND*

183

0.12

0.08

0.08

0.07

0.26

0.05

0.12

0.31

0.18

0.10

0.09

0.14

0.21

0.09

0.46

0.31

0.06

0.09

0.07

0.07

190

ND

0.01

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

ND

206

0.01

0.01

ND*

ND#

0.01

ND

0.004

ND*

ND

ND*

ND*

ND*

0.04

ND*

0.02

ND*

0.01

ND*

0.01

ND*

207

0.09

ND*

ND*

0.03

0.11

0.03

0.03

0.10

ND*

ND*

0.08

0.04

0.13

0.04

ND*

0.03

0.02

0.04

0.05

0.03

208

ND*

ND*

ND*

ND*

0.02

0.005

ND#

ND*

ND*

ND*

0.01

ND*

0.04

0.01

ND*

ND*

ND*

0.01

ND*

0.005

209

ND*

ND*

ND*

0.10

0.21

0.10

0.11

0.21

ND*

0.08

0.25

0.13

1.23

0.17

0.40

0.20

0.13

0.13

0.30

0.13

Total PBDEs

24.51

78.92

78.84

18.71

201.41

19.68

177.64

157.50

34.32

24.87

234.97

35.17

71.23

90.78

1078.41

754.84

9.50

44.45

27.77

11.22


ND= Not detected
ND*= Sample did not meet one or more requirements for quantification
ND# = Less than 2 times the 99% Confidence Interval for background contamination. See Appendix 1
See below for a summary of findings by congener
Congeners not detected in any samples = PBDE 1, 2, 10, 30, 32, 77, 105, 116, 181



Results for individual PBDE congeners (parts per billion in breast millk lipid)

PBDE Congener

Number of bromines

Class of PBDE

Percent of samples with detectable levels

Minimum value

Median value

Average value

Maximum value

3

1

mono

10%

0.1

0.15

0.15

0.2

7

2

di

35%

0.003

0.01

0.01

0.04

8 + 11

2

di

45%

0.005

0.01

0.02

0.06

12

2

di

5%

0.01

0.01

0.01

0.01

13

2

di

5%

0.01

0.01

0.01

0.01

15

2

di

100%

0.19

0.43

1.46

17.7

17

3

tri

100%

0.02

0.06

0.1

0.47

25

3

tri

90%

0.002

0.01

0.02

0.06

28 + 33

3

tri

100%

0.35

1.89

6.24

43.8

35

3

tri

5%

0.02

0.02

0.02

0.02

37

3

tri

95%

0.01

0.02

0.06

0.4

47

4

tetra

100%

5.53

24.8

84.94

589

49

4

tetra

100%

0.04

0.21

0.57

3.69

66

4

tetra

100%

0.06

0.26

1.13

8.37

71

4

tetra

90%

0.004

0.02

0.05

0.33

75

4

tetra

100%

0.01

0.02

0.07

0.43

85

5

penta

100%

0.05

0.43

2.27

17.1

99

5

penta

100%

0.76

4.47

20.93

200

100

5

penta

100%

0.57

4.91

18.43

171

119

5

penta

35%

0.004

0.02

0.06

0.22

126

5

penta

50%

0.005

0.01

0.04

0.22

138 + 166

6

hexa

90%

0.02

0.07

0.26

1.76

140

6

hexa

100%

0.01

0.07

0.21

1.93

153

6

hexa

100%

1.07

10.06

19.79

122

154

6

hexa

100%

0.04

0.32

1.46

11.7

155

6

hexa

95%

0.01

0.08

0.33

2.5

183

7

hepta

100%

0.05

0.09

0.15

0.46

190

7

hepta

5%

0.01

0.01

0.01

0.01

206

9

nona

40%

0.004

0.01

0.01

0.04

207

9

nona

75%

0.02

0.04

0.06

0.13

208

9

nona

35%

0.005

0.01

0.01

0.04

209

10

deca

80%

0.08

0.15

0.24

1.23


Number of congeners looked for = 44
Number of congeners detected = 35
Not detected = PBDE 1, 2, 10, 30, 32, 77, 105, 116, 181