Table 1

Summary of Analytical Results

PFOA Monitoring Program

Part 1: PFOA 

First Semester 2010

DuPont Chambers Works

Deepwater, New Jersey

Well ID F08-M01A G09-M01A K12-M01A C08-M01B C11-M03B D06-M01B D15-M01B F07-M01B 

Date 2/2/10 2/2/10 2/2/10 2/4/10 2/4/10 2/2/10 2/4/10 2/2/10 

Aquifer AAABBBBB

Analyte Units Duplicate 11111111

PFOA UG/L 3.8 420 62 15 0.63 0.89 1.5 4 

Well ID J10-M01B K13-M02B L09-M01B N08-M01B N08-M01B P06-M01B P21-M01B R09-M02B 

Date 2/2/10 1/26/10 1/29/10 2/5/10 2/5/10 2/3/10 1/28/10 2/4/10 

Aquifer BBBBBBBB

Analyte Units Duplicate 11112111

PFOA UG/L 15 20 1.5 J 1.3 1.3 0.87 53 1.4 

Well ID G04-M01B L09-M01C N08-M01C P06-M02C R10-M01C Z28-M01B Z28-M01B AA22-M01B 

Date 2/4/10 1/29/10 2/5/10 2/3/10 2/4/10 2/5/10 2/5/10 2/5/10 

Aquifer CCCCCCCD

Analyte Units Duplicate 11111121

PFOA UG/L 1.2 1 3.3 0.21 0.24 0.17 0.17 0.59 

Well ID J05-M01C L09-M01D N08-M01D P06-M01D C11-M01E G04-M01E P06-M01E R10-M01E

Date 2/2/10 1/29/10 2/5/10 2/3/10 2/4/10 2/3/10 2/3/10 2/4/10

Aquifer DDDDEEEE

Analyte Units Duplicate 11111111

PFOA UG/L 0.021 2.5 J 1.3 0.0039 ND (0.001) 0.0029 0.024 0.013

Notes:J = Estimated valueND = Not Detected at stated reporting limitPFOA = Perfluorooctanoic Acid

Page 1 of 1
Table 1

Summary of Analytical Results

PFOA Monitoring Results

Part 2: Perfluorinated Compounds

First Semester 2010

DuPont Chambers Works

Deepwater, New Jersey

Location K12-M01A F08-M01A G09-M01A C08-M01B C11-M03B D06-M01B D15-M01B F07-M01B 

Date 2/2/10 2/2/10 2/2/10 2/4/10 2/4/10 2/2/10 2/4/10 2/2/10 

Aquifer AAA B B B B B 

Analyte Units Duplicate 111 1 1 1 1 1 PFBA UG/L 0.36 1.5 53 1.1 0.14 0.22 0.33 0.77 PFBS UG/L ND (0.2) ND (0.014) ND (1) 0.076 0.011 0.11 ND (0.0098) 0.13 PFDA UG/L 0.28 0.97 16 0.38 0.14 0.33 0.15 0.37 PFDOA UG/L ND (0.1) 0.02 ND (0.52) ND (0.031) 0.0029 0.01 ND (0.0049) ND (0.0072PFHPA UG/L 1.9 0.36 130 1.5 0.17 0.44 0.5 1.3 PFHXA UG/L 1.8 3.9 300 5.7 0.88 0.9 1.8 5.7 PFHXS UG/L ND (0.2) ND (0.014) ND (1) ND (0.062) ND (0.004) ND (0.0033) ND (0.0098) ND (0.014PFNA UG/L 0.52 0.45 100 0.75 0.11 0.22 0.18 0.6 PFOS UG/L ND (0.2) ND (0.014) ND (1) ND (0.062) ND (0.004) 0.015 ND (0.0098) ND (0.014PFOSA UG/L ND (0.1) ND (0.0071) ND (0.52) ND (0.031) ND (0.002) 0.0023 ND (0.0049) ND (0.0072PFPEA UG/L 1.2 0.51 110 1.7 0.27 J 0.5 0.65 1.7 PFUNA UG/L ND (0.1) 0.033 ND (0.52) ND (0.031) 0.013 0.046 ND (0.0049) 0.015 

Location J10-M01B K13-M02B L09-M01B N08-M01B N08-M01B P06-M01B P21-M01B R09-M02

Date 2/2/10 1/26/10 1/29/10 2/5/10 2/5/10 2/3/10 1/28/10 2/4/10 

Aquifer B B B B B B B B 

Analyte Units Duplicate 111 2 1 1 1 1 PFBA UG/L 0.28 11 0.21 J 0.33 0.3 0.19 27 0.31 PFBS UG/L ND (0.051) ND (0.2) ND (0.021) UJ ND (0.0051) ND (0.005) ND (0.0033) ND (1) ND (0.0098PFDA UG/L 0.026 ND (0.098) 0.11 J 0.055 0.047 0.031 ND (0.5) 0.028 PFDOA UG/L ND (0.025) ND (0.098) ND (0.01) UJ ND (0.0025) ND (0.0025) ND (0.0017) ND (0.5) ND (0.0049PFHPA UG/L 0.69 6.3 1.1 J 0.59 0.55 0.43 30 0.46 PFHXA UG/L 1.3 63 1.4 J 1 0.99 0.62 110 0.73 PFHXS UG/L ND (0.051) ND (0.2) ND (0.021) UJ ND (0.0051) ND (0.005) ND (0.0033) ND (1) ND (0.0098PFNA UG/L 0.18 1.3 0.25 J 0.15 0.16 0.067 2.6 0.36 PFOS UG/L ND (0.051) ND (0.2) ND (0.021) UJ ND (0.0051) ND (0.005) ND (0.0033) ND (1) ND (0.0098PFOSA UG/L ND (0.025) ND (0.098) ND (0.01) UJ ND (0.0025) ND (0.0025) ND (0.0017) ND (0.5) ND (0.0049PFPEA UG/L 0.55 12 1 J 0.84 J 0.81 J 0.56 57 0.6 PFUNA UG/L ND (0.025) ND (0.098) ND (0.01) UJ ND (0.0025) ND (0.0025) ND (0.0017) ND (0.5) ND (0.0049Notes:ND = Not Detected at stated reporting limit J = Estimated valuePFBA = Perfluorobutanoic Acid PFUNA = Perfluoroundecanoic AcidPFPEA = Perfluoropentanoic Acid PFDOA = Perluorododecanoic AcidPFHXA = Perfluorohexanoic Acid PFBS = Perfluorobutane Sulfonic AcidPFHPA = Perfluoroheptanoic Acid PFHXS = Perfluorohexane Sulfonic AcidPFNA = Perfluorononanoic Acid PFOS = Perfluorooctane Sulfonic AcidPFDA = Perfluorodecanoic Acid PFOSA = Perfluorooctane Sulfonamide

Page 1 of 2
Table 1

Summary of Analytical Results

PFOA Monitoring Results

Part 2: Perfluorinated Compounds

First Semester 2010

DuPont Chambers Works

Deepwater, New Jersey

Location G04-M01B L09-M01C N08-M01C P06-M02C R10-M01C Z28-M01B Z28-M01B AA22-M01

Date 2/4/10 1/29/10 2/5/10 2/3/10 2/4/10 2/5/10 2/5/10 2/5/10 

Aquifer CCC C C C C D 

Analyte Units Duplicate 111 1 1 2 1 1 PFBA UG/L 0.44 0.28 3.9 0.14 0.1 0.05 0.049 0.19 PFBS UG/L ND (0.004) 0.0069 0.015 ND (0.002) 0.0056 ND (0.0029) ND (0.0029) ND (0.0025PFDA UG/L 0.047 0.047 0.21 0.0012 0.054 ND (0.0015) ND (0.0014) 0.017 PFDOA UG/L ND (0.002) ND (0.0024) ND (0.0049) ND (0.001) 0.0046 ND (0.0015) ND (0.0014) ND (0.0013PFHPA UG/L 0.47 0.72 2.3 0.23 0.11 0.082 0.082 0.4 PFHXA UG/L 1.8 1 3.5 0.38 0.25 0.17 0.17 0.6 PFHXS UG/L ND (0.004) ND (0.0048) 0.025 ND (0.002) ND (0.002) 0.0054 0.0042 ND (0.0025PFNA UG/L 0.13 0.12 2 0.0072 0.028 0.014 0.016 0.048 PFOS UG/L ND (0.004) ND (0.0048) 0.01 ND (0.002) ND (0.002) ND (0.0029) ND (0.0029) ND (0.0025PFOSA UG/L ND (0.002) ND (0.0024) ND (0.0049) ND (0.001) ND (0.00098) ND (0.0015) ND (0.0014) ND (0.0013PFPEA UG/L 0.8 1 3.2 J 0.35 0.23 0.11 J 0.11 J 0.43 J PFUNA UG/L ND (0.002) 0.0025 0.04 ND (0.001) 0.0042 ND (0.0015) ND (0.0014) ND (0.0013

Location J05-M01C L09-M01D N08-M01D P06-M01D C11-M01E G04-M01E P06-M01E R10-M01

Date 2/2/10 1/29/10 2/5/10 2/3/10 2/4/10 2/3/10 2/3/10 2/4/10

Aquifer DDD D E E E E

Analyte Units Duplicate 111 1 2 1 1 1PFBA UG/L 0.033 1.8 J 0.6 0.0086 ND (0.001) ND (0.00097) 0.049 0.059PFBS UG/L ND (0.002) ND (0.036) UJ ND (0.005) ND (0.002) ND (0.002) ND (0.0019) ND (0.002) ND (0.002PFDA UG/L ND (0.001) 0.018 J 0.045 ND (0.001) ND (0.001) ND (0.00097) ND (0.001) ND (0.0009PFDOA UG/L ND (0.001) ND (0.018) UJ ND (0.0025) ND (0.001) ND (0.001) ND (0.00097) ND (0.001) ND (0.0009PFHPA UG/L 0.021 1.9 J 1 0.0057 ND (0.001) 0.0013 0.028 0.028PFHXA UG/L 0.056 4.2 J 1.2 0.01 ND (0.001) 0.0024 0.075 0.058PFHXS UG/L ND (0.002) ND (0.036) UJ ND (0.005) ND (0.002) ND (0.002) ND (0.0019) ND (0.002) ND (0.002PFNA UG/L 0.0013 0.24 J 0.26 ND (0.001) ND (0.001) ND (0.00097) ND (0.001) ND (0.0009PFOS UG/L ND (0.002) ND (0.036) UJ ND (0.005) ND (0.002) ND (0.002) ND (0.0019) ND (0.002) ND (0.002PFOSA UG/L ND (0.001) ND (0.018) UJ ND (0.0025) ND (0.001) ND (0.001) ND (0.00097) ND (0.001) ND (0.0009PFPEA UG/L 0.058 4.2 J 1.7 J 0.011 ND (0.001) UJ ND (0.00097) 0.048 0.05PFUNA UG/L ND (0.001) ND (0.018) UJ 0.0027 ND (0.001) ND (0.001) ND (0.00097) ND (0.001) ND (0.0009Notes:ND = Not Detected at stated reporting limit J = Estimated valuePFBA = Perfluorobutanoic Acid PFUNA = Perfluoroundecanoic AcidPFPEA = Perfluoropentanoic Acid PFDOA = Perluorododecanoic AcidPFHXA = Perfluorohexanoic Acid PFBS = Perfluorobutane Sulfonic AcidPFHPA = Perfluoroheptanoic Acid PFHXS = Perfluorohexane Sulfonic AcidPFNA = Perfluorononanoic Acid PFOS = Perfluorooctane Sulfonic AcidPFDA = Perfluorodecanoic Acid PFOSA = Perfluorooctane Sulfonamide

Page 2 of 2
Well ID G09-M01A

Date 2/2/10

Aquifer A

Analyte Units Duplicate 1

PFOA UG/L 420

Well ID D06-M01B

Date 2/2/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 0.89

Well ID F08-M01B

Date 2/2/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 7.5

Well ID J10-M01B

Date 2/2/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 15

Well ID P06-M01B

Date 2/3/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 0.87

Well ID R10-M01C

Date 2/4/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 0.24

Well ID Z28-M01B Z28-M01B

Date 2/5/10 2/5/10

Aquifer C C

Analyte Units Duplicate 1 2

PFOA UG/L 0.17 0.17

Well ID AA22-M01B

Date 2/5/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L 0.59

Well ID G04-M01E

Date 2/3/10

Aquifer E

Analyte Units Duplicate 1

PFOA UG/L 0.0029

Well ID N08-M01C

Date 2/5/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 3.3

Well ID F08-M01A

Date 2/2/10

Aquifer A

Analyte Units Duplicate 1

PFOA UG/L 3.8

Well ID K12-M01A

Date 2/2/10

Aquifer A

Analyte Units Duplicate 1

PFOA UG/L 62

Well ID C08-M01B

Date 2/4/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 15

Well ID C11-M03B

Date 2/4/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 0.63

Well ID D15-M01B

Date 2/4/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 1.5

Well ID F07-M01B

Date 2/2/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 4

Well ID G05-M02B

Date 2/2/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 1.8

Well ID K13-M02B

Date 1/26/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 20

Well ID L09-M01B

Date 1/29/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 1.5 J

Well ID N08-M01B N08-M01B

Date 2/5/10 2/5/10

Aquifer B B

Analyte Units Duplicate 1 2

PFOA UG/L 1.3 1.3

Well ID P21-M01B

Date 1/28/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 53

Well ID R09-M02B

Date 2/4/10

Aquifer B

Analyte Units Duplicate 1

PFOA UG/L 1.4

Well ID AA25-M01B

Date 2/5/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 0.13

Well ID C11-M01C

Date 2/4/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 0.24

Well ID G04-M01B

Date 2/4/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 1.2

Well ID L09-M01C

Date 1/29/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 1

Well ID P06-M02C

Date 2/3/10

Aquifer C

Analyte Units Duplicate 1

PFOA UG/L 0.21

Well ID AA25-M01C

Date 2/5/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L ND (0.001) 

Well ID C11-M02D

Date 2/4/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L 2.2

Well ID J05-M01C

Date 2/2/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L 0.021

Well ID L09-M01D

Date 1/29/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L 2.5 J

Well ID N08-M01D

Date 2/5/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L 1.3

Well ID P06-M01D

Date 2/3/10

Aquifer D

Analyte Units Duplicate 1

PFOA UG/L 0.0039

Well ID C11-M01E

Date 2/4/10

Aquifer E

Analyte Units Duplicate 1

PFOA UG/L ND (0.001) 

Well ID P06-M01E

Date 2/3/10

Aquifer E

Analyte Units Duplicate 1

PFOA UG/L 0.024

Well ID R10-M01E

Date 2/4/10

Aquifer E

Analyte Units Duplicate 1

PFOA UG/L 0.013