Environmental Working Group

Appendix 2: Detailed study results

Reports & Consumer Guides

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
PBDE congener	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