WI0700012_Monitoring (Report)_20240904

klutrioen-
CERTIFIED MAIL
August 26,2024
NC Division of Water Resources
Groundwater Resources Section
Attn: Michael Rogers
1636 Mail Service Center
Raleigh,NC 27699
Subject: Underground Injection Control Program.
Quarterly Groundwater Monitoring Report
May 2024—July 2024
Injection Well Permit#WI0700012
PCS Phosphate Company,Inc.1
Tank Farm Remedial Action System
Dear Mr. Butcher,
Please see attached for the groundwater monitoring report associated with Injection Well Permit
#W10700012 and the Tank Farm Remedial Action Plan. This report includes the sampling and reporting
requirements of the above referenced permit as well as the reporting requirements of the Tank Farm Remedial
Action Plan. Enclosed are a) piezometer level monitoring field sheets, b) the operation and maintenance
reports.
Please do not hesitate to contact me at(252)617-5374 if you have any questions regarding this information.
Sincerel ,
Brittany Curti
Environmental&Technical Services Specialist
Nutrien—Aurora
Attachments
PC: 12-07-02 (w/attach)
ec: J.C.Stroud
T.E.Herring
J.A.Casey
H.B.Mill
1530 NC Hwy 306 South,Aurora,NC USA 278N nutrien.com
1 Effective January 1,2018,PCS Phosphate Company,Inc.is an indirect subsidiary of Nutrien Ltd.PCS Phosphate Company,Inc.
remains the legal operating entity and permittee.

PCS PHOSPHATE-TANK FARM REMEDIAL ACTION PLAN
QUARTERLY OPERATIONAL AND MAINTENANCE REPORT FOR THE INJECTION AND
WITHDRAWAL WATER WELLS
May 2624—July 2024
The Tank Farm Remediation System consists of a series of seven- (7) injection water wells located on the
south side of the Tank Farm Area and a series of fourteen(14)withdrawal water wells located on the north
side of the Tank Farm Area.
Infection Water Well System
The injection water well system is operated with mine depressurization water(DPW).
Daily operational data is collected by the Shipping Department and reported to the Environmental Affairs
Department. The total monthly and quarterly volumes of water injected as well as the month end water level
in the Water Level Control Tank are:
TANK
DPW WATER TOTAL AVERAGE LEVEL
GALLONS GALLONS GPM FEET, MSL
May 256, 620 256, 620 5 . 7 6.4
June 242, 111 242, 111 5 . 6 6 . 3
July 237, 518 237, 518 5 . 3 5 . 5
TOTALS 736,249 736,249
Withdrawal Well SN•stem
The withdrawal water well pumps are monitored daily by the area Maintenance Department and preventative
maintenance work is performed as needed. The total monthly and quarterly withdrawal water volumes for
the period are:
SAND CROATAN
FORMATION FORMATION TOTAL AVERAGE
GALLONS GALLONS GALLONS GPM
May 298, 812 275, 770 574, 582 12 . 87
June 486, 215 662, 692 1, 148, 907 25 . 74
July 1, 140, 694 1, 622, 777 2, 763, 472 61 . 91
TOTALS 1, 925, 722 2, 561, 239
2

Operation Notes:
5/22/24: Installed new pump
6/1/24: Changed filter
6/6/24: Pump not active waiting for parts
6/11/24: Installed new pump
3

Tank Farm Remediation System Quarterly Monitoring
Date: 7/10/2024
Time: 920hrs Rafe...Point File:12-07-02
MSL Lavel Rcl Eo NSL
Tech: Bryan Mills
Ditch 12.91 7.98
Barge Slip 10.59 2.03
Water Level
Control Tank - 8.8"
%=MSL
Sand Layer Peizometers Level Indicators
TOC TOC Level TOC TOC Level
Elevation Sic Wtr Relative To Elevation Sic Wir Relative To
Well ID MSL' Level' MSL Ft Well ID MSL' Level' MSL Ft
Spz-1 13.33 14.23 -0.901 Cpz-1 13.178 6.92 6.258
Spz-2 10.06 7.05 3.007 Cpz-2 8.949 10.89 -1.941
Spz-3 13.12 65 6.623 Cpz-3** 10.407 10.8 -0.393
Spz-4 10.35 4.49 5.86 CPW** 9.618 10.76 -1.142
Spz-5 10.17 7.5 2.673 MWTF-1A* 13.233 3.23 10.003
Spz-6 10.50 10.05 0.449 MWTF-lB* 13.28 4.1 9.177
Spz-7 10.67 94 1.272 MWTF-lC* 13.304 10.9 2.404
Spz-8 10.37 7.05 3.316 MWTF-2A 14.592 7.34 7.252
Spz-9 10.83 7.19 3.637 MWTF-2B 13.916 10.78 3.136
Spz-10 11.13 5.33 5.8 MWTF-2C** 10.164 3.59 6.574
SPW* 9.476 8.36 1.116 MWTF-3A 11.083 3.11 7.973
MWTF-3B 10.998 8.09 2.908
MWTF-3C 11.017 12.55 -1.533
Field Technician Name.
Field Technician Signature: 'VV Date: 1 I