Document K60Kkw7dKvv7E2opJ5np9jpqN
P-1
January 8, 2009
09 JAM ! ? An b : U h
Via Federal Express
DRooocumm6e4n2t8Processing Center (Mail Code 7407M) Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S. Environmental Protection Agency 1201 Constitution Ave., NW Washington, DC 20460
/7Z.Z-7
Atzito-3b1(0NDf1o0eur9wPH0oaeErnaktll,ktHhDtoaaEnsnkRde1l9oEl7aGnd1v,4loi-Pr0bo.O0anl5m.0CBeenontxtael5rs0Sciences
Dear 8(e) Coordinator:
Re: 8EHQ-08-17229 Supplement
Perfluorooctanoate Changshu Facility,
Anion China
(PFOA)
-
Updated
Occupational
Serum
Sample
Results
CORRECTION to Letter Dated January 2. 2009
This letter is a correction to the Attachment for the above-identified January 2, 2009 letter.
Specifically, the corrections to the Attachment are as follows:
ADtetvaicahtimonent page 1 - correction to the Number of Samples, Average, Median, and Standard
wAtitthacNhmumenbterpaogfeS2am(Gplreosup 1) - correction to the 2ndand 4th columns in the Table beginning
Attachment page 5 (Group 4) - correction to the Maximum in the May 2007 Results column
TinhceonevnetnirieencAettcaacuhsmedenbty, thasis ccoorrrreecctteiodn,. is included with this letter.
Sincerely,
Q. --
A. Michael Kaplan, Ph.D. Director - Regulatory Affairs
We apologize for any
I
'
AMK/BJD/JLC: clp (302) 366-5260 Attachment (6 pages)
OQHMMHOCn
-3 / b 3 \ O
Worker Number
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
26 27 28 29 30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
Nov 2008 Results
(PPb) 838 39 303 157 646 656 577 260 568 843 770 510 271 526
1,333 35
589 34
640 488 494 174
58 15 24
939
1262 2240 3,617 4,902
3,495 5,507 2,150 4,051 5,097 3,253 4,774 5,157 5,552 3,134 6,704 4,097 1,093 3,379 5,460
P-2
DuPont Company Changshu Works, China
Serum PFOA Results November 2008
Worker Number
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
71 72 73 74 75
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90
Nov 2008 Results
(PPb) 3,709 7,904 4,140 2,710 3,799 1,604 4,549 3,509 1,671 3,150 4,410 1,997 5,735 2,580 2,123 5,434 2,859 2,125 2,678 3,928 2,783 278 55 85 183
143 89 143 8,330 544
298 1,990 1,141
546 4,916 2,230
724 848 1,667 2,606 2,694 1,952 2,303 2,394'.' 2,146
Worker Number
91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
Nov 2008 Results
(PPb) 3,155 1,757 2,349 61 172 32 97 45 27 14 118 276 23 119 55 33 41 39 19 249 133 58 54 15
Number of Samples Average Median Minimum
Maximum
Standard Deviation
114 1819
893 14
8330
1959
Samples analyzed by Shanghai Institute Materia Medica, Pudong, Shanghai, China Barbara J. Dawson, CIH, CSP
Results rounded to nearest whole number
corrected 01.05.09
DuPont Company Changshu Works, China Serum PFOA Results - Group 1 May 2007 - November 2008
Worker Number
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
May 2007 Nov 2007 May 2008 Nov 2008
Results Results Results Results
(PPb)
(PPb)
(PPb)
(PPb)
838
13 15 40 39
27 303
23 45
157
50 501 646
22 604 656
33 230 211 577
17 260
21 220
568
7 93
843
158 371 770
22 225 510
432 271
61 127 384 526
172 310 832 1,333
35
12 146 462 589
34
15 122 541 640
301 488
243 494
174
58
15
24
254 939
422 1,262
742 2,240
Number of
Samples Average Median Minimum Maximum Standard Deviation
15 12 44 227 22 183
7 15 172 742
51 199
Results prior to Nov 2008 previously reported
13 396 384
40 832
203
28 546 518
15 2240
491
P-3
Samples analyzed by Shanghai Institute Materia Medica, Pudong, Shanghai, China Barbara J. Dawson, CIH, CSP
Results rounded to nearest whole number
corrected 01.05.09
Worker Number
DuPont Company
Changshu Works, China
Serum PFOA Results - Group 2
May 2007 - November 2008
May 2007 Results
(PPb) 29 50 30 1,050
Nov 2007 Results
(PPb) 482
1,520
M.iy 2008 Results
(PPb) 3,350
3,700
31 18 32 45 883 4,950
33 23 380 1,760 34 21 716 4,470
35 16 896 4,220 36 32 480 3,160
37 11 658 4,350
38 234
5,000
39
15
1,260
4,950
40 30 452 3,190
41
29
1,980
6,180
42 38 486 3,620
43 11
1,180
44 45 508 3,030
45 18 824
46 45 478 2,980
47
20
1,130
6,700
48 10 900 3,970
491 50 12 51 10 52 7
416 3,430 380 1,830 944 3,890
53 54 1,640 55 16 630 56 202 57 161 2,220 58 250 4,650 59 172 60 232 1,840 61 294 4,350 62 107 2,850 63 336 1,950 64 2,180 65 3,820
66
67
68
69
70
71
72
73
74
Nov 2008 Results
(PPb) 3,617 4,902
3,495 5,507
2,150
4,051
5,097
3,253
4,774
5,157
5,552
3,134 6,704 4,097 1,093 3,379 5,460 3,709 7,904 4,140 2,710 3,799 1,604 4,549 3,509 1,671 3,150 4,410 1,997 5,735 2,580 2,123 5,434 2,859 2,125 2,678 3,928 2,783
278 55 85 183 143 89 143
8,330
Number of Samples Average Median Minimum Maximum Standard Deviation
2l
7i 21
105C 211l
25 62 482 107 198C 43.5
3( 3514 352i 118C 670C 135.l
46 3351 3437
55 8330 2044
Results prior to Nov 2008 previously reported
P-4
Samples analyzed by Shanghai Institute of Materia Medica, Pudong, Shanghai, ChirBarbara J. Dawson, CIH, CSP Results rounded to nearest whole number
DuPont Company Changshu Works, China Serum PFOA - Group 3 May 2007 - November 2008
P-5
Worker Number
75 76 77 78 79 80 81 82 83
May 2007 Nov 2007 May 2008 Nov 2008
Results Results Results Results
(PPb)
(PPb)
(PPb)
(PPb)
583 544
12 292 298
51 1,990
42 1,141
28 503 546
14 1,020 4,160 4,916
10
2,340
2,230
724
734 848
Number of Samples Average Median Minimum Maximum Standard Deviation
61 26 1020 21 1020 10 1020 51 1020 17
Results prior to Nov 2008 previously reported
6 1435 659 292 4160 1526
9 1471 848 298 4916 1452
Samples analyzed by Shanghai Institute Materia Medica, Pudong, Shanghai, China Barbara J. Dawson, CIH, CSP
Results rounded to nearest whole number
''
DuPont Company Changshu Works, China Serum PFOA Results - Group 4 May 2007 - November 2008
P-6
Worker Number
May 2007 Nov 2007 May 2008 Nov 2008
Results Results Results Results
(PPb)
(PPb)
(PPb)
(PPb)
84 54 216 1,720 1,667
85 13
2,390
2,606
86 10
2,270
2,694
87 12 414 2,070 1,952
88 19 392 2,510 2,303
89 16 324 2,340 2,394
90 48 398 2,460 2,146
91 22 496 2,890 3,155
92 82 1,757
93 124 3,000 2,349
94 61
95 172
Number of Samples Average Mediar) Minimum Maximum Standard Deviation
88 24 306 18 358 10 82 54 496 17 149
Results prior to Nov 2008 previously reported
9 2406 2390 1720 3000
388
12 1938 2224
61 3155
944
Samples analyzed by Shanghai Institute Materia Medica, Pudong, Shanghai, China Barbara J. Dawson, C1H, CSP
Results rounded to nearest whole number
corrected 01.05.09
DuPont Company Changshu Works, China Serum PFOA Results - Group 5 May 2007 - November 2008
p.7
Worker
96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114
May 2007 Nov 2007 May 2008 Nov 2008
Results Results Results Results
(PPb)
(PPb)
(PPb)
(PPb)
32
97
11 17 53 45
27
14
8 118
21 39 283 276
23
119
24 55
8 18
33
41
39
19
249
9 142 133
58
54
15
Number of Samples Average Median Minimum Maximum Standard Deviation
5 4 3 19 14 21 159 76 11 17 142 45 8 9 53 14 24 39 283 276 7 13 116 75
Results prior to Nov 2008 previously reported
Samples analyzed by Shanghai Institute Materia Medica, Pudong, Shanghai, China Barbara J. Dawson, CIH, CSP
Results rounded to nearest whole number
''
