NC0003573_Data Monitoring Reports_20210921

TABLE 1
HFPO-DA CONCENRTATIONS IN UPSTREAM RIVER SAMPLES
Chemours Fayetteville Works, North Carolina
Geosyntec Consultants of NC P.C.
Location ID
Field Sample ID
Sample Date
QA/QC
Parameter Name
Result (ng/L)
Lab Method
Sampling Program
Locaiton Description
CFR-MILE-54
FAY-CFR-RM-54-012220
1/22/2020
Hfpo Dimer Acid
<2.6
EPA 537 Rev. 1.1 modified
BASELINE RIVER SAMPLING 1/20
Additional upstream river sample
CFR-MILE-54
FAY-CFR-RM-54-012220-D
1/22/2020
Field Duplicate
Hfpo Dimer Acid
<2.6
EPA 537 Rev. 1.1 modified
BASELINE RIVER SAMPLING 1/20
Additional upstream river sample
CFR-MILE-54
CAP0521-CFR-RM-54-052421
5/24/2021
Hfpo Dimer Acid
<2 UJ
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 05/21
Additional upstream river sample
CFR-MILE-76
FAY-CFR-RM-76-012320
1/23/2020
Hfpo Dimer Acid
<2.5
EPA 537 Rev. 1.1 modified
BASELINE RIVER SAMPLING 1/20
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP1Q20-CFR-RM-76-040220
4/2/2020
Hfpo Dimer Acid
<4
537 Modified
CAP SW Sampling 1Q20
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP2Q20-CFR-RM-76-051320
5/13/2020
Hfpo Dimer Acid
2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 2Q20
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP2Q20-CFR-RM-76-051320-D
5/13/2020
Field Duplicate
Hfpo Dimer Acid
2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 2Q20
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP3Q20-CFR-RM-76-072820
7/28/2020
Hfpo Dimer Acid
<2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 3Q20
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP1220-CFR-RM-76-121520
12/15/2020
Hfpo Dimer Acid
<2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 12/20
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP0121-CFR-RM-76-012621
1/26/2021
Hfpo Dimer Acid
<2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 01/21
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP0421-CFR-RM-76-042021
4/20/2021
Hfpo Dimer Acid
<2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 04/21
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP0521-CFR-RM-76-052521
5/25/2021
Hfpo Dimer Acid
2 J
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 05/21
Upstream river location sampled for the Mass Loading Model
CFR-MILE-76
CAP0621-CFR-RM-76-061521
6/15/2021
Hfpo Dimer Acid
<2
Cl. Spec. Table 3 Compound SOP
CAP SW Sampling 06/21
Upstream river location sampled for the Mass Loading Model
Notes:
Bold - Analyte detected above associated reporting limit
< - Analyte not detected above associated reporting limit.
J - Analyte detected. Reported value may not be accurate or precise
ng/L - nanograms per liter
QA/QC - Quality assurance/ quality control
UJ — Analyte not detected. Reporting limit may not be accurate or precise.
TR0795A Page 1 of 1 August 2021