9-BASELINE REPORT MAY 2025.pdf

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25B-143 GROUNDWATER SAMPLING AND ANALYSIS
Solicitation number
25B-143
Issued by
Marion County, Florida

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MARION COUNTY BASELINE LANDFILL

COMPLIANCE MONITORING REPORT

FIRST SEMIANNUAL 2025

Marion County | May 2025

COMPLIANCE MONITORING REPORT

FIRST SEMIANNUAL 2025

FDEP Permit No.: 0103935-015-SO/01 and 0103935-020-SO-MM

WACS Facility ID: 20906

Prepared for:

MARION COUNTY

601 SE 25th Avenue

Ocala, Florida 34471

Prepared by:

JONES EDMUNDS & ASSOCIATES, INC.

13545 Progress Boulevard, Suite 100

Alachua, FL 32615

May 2025

Troy D. Hays, PG

Florida License # 2679

JonesEdmunds.com | 800.237.1053

May 7, 2025

Mr. Dale Melton, Environmental Specialist Florida Department of Environmental Protection - Central District 3319 Maguire Boulevard Orlando, Florida 32803

RE: Marion County Baseline Landfill

Semiannual Compliance Monitoring Report – First Semiannual 2025 FDEP Permit No. 0103935-021-SO/01 WACS Facility ID: 20906 Jones Edmunds Project No. 13150-297-01

Dear Mr. Melton, This report presents data from the First Semiannual 2025 sampling event at Marion County Baseline Landfill, performed on February 17, 18, and 19, 2025. This sampling event was conducted under the regulatory authority of Permit Number 0103935-021-SO/01, issued May 15, 2024.

All field sampling activities were performed by Aqua Pure Water & Sewage Service, Inc. of Silver Springs, Florida. Laboratory analyses were performed by Pace Analytical Services, Inc. of Ormond Beach, Florida (State of Florida Department of Health Certification #E83079). Data compilation and report preparation were performed by Jones Edmunds & Associates, Inc. of Gainesville, Florida. Final laboratory reports and ADaPT files were received on March 12, 2025 with a 60-day reporting deadline of May 11, 2025.

All groundwater monitoring wells designated for water-quality testing in Attachment A of the permit were sampled during this event and analyzed for the semiannual parameters listed in Appendix 3.II.7.

Groundwater elevations used in preparing contour maps for this event were recorded on February 17, 2025. Groundwater Elevation Data and Groundwater Contour Maps are presented in Attachment 1.

Groundwater Analysis Results

Groundwater analysis results reported at or outside groundwater standards include pH, Ammonia-Nitrogen, Total Dissolved Solids (TDS), Arsenic, and Iron. A tabulated summary of these detections is presented in Attachment 2 of the report. A table of all parameters detected above the laboratory detection limits is included in Attachment 3.

Results for this sampling event are generally consistent with historical results with the exception of an abrupt increase in Conductivity reported in P-21 with no corresponding increases in TDS, Sodium, Chloride, or other parameters.

Increasing concentration trends in Conductivity, Sodium, Chloride, Ammonia-N, Iron, Chlorobenzene, and 1,4-Dichlorobenzene were noted in MW-8D. Only TDS, Arsenic, and Iron were above their respective groundwater standards in this well and the reported concentrations

Mr. Dale Melton for these parameters are within historical data ranges. MW-8D is down-gradient of MW-11 which had shown previous increases thought to be associated with stormwater from a nearby downcomer. The concentrations reported in MW-8D are generally lower than those reported in MW-11 indicating natural attenuation of the impact.

Quality Assurance/Quality Control (QA/QC) samples were also collected and are summarized in Attachment 4. Although no longer required by FDEP, Parameter Monitoring Report forms (PMRs) are included in Attachment 5 for internal and client review purposes. A 5-year historic data summary table is provided in Attachment 8 and historical parameter trend graphs are provided in Attachment 9.

Trend Analysis

Ammonia- Nitrogen: Ammonia-Nitrogen was reported above the GCTL of 2.8 mg/L in MW-11 and concentrations in MW-11 have generally increased from historical values of less than 2 mg/L. Although low-level, Ammonia-Nitrogen has also increased in MW-8D during the last 3 sampling events.

Nitrate-Nitrogen: Nitrate-Nitrogen was below the PDWS of 10 mg/L in all wells during this sampling event. Concentrations are generally decreasing or relatively stable in all wells except MW-12, MW-13, and P-27 where concentrations are gradually increasing although recent results in MW-13 appear to be stabilizing around 5 mg/L and concentrations in P-27 appear to be stabilizing at around 2.5 mg/L.

Conductivity: Conductivity is generally decreasing or relatively stable in all wells except MW-8D (recent increase), MW-9 (gradual increase) and MW-11. Conductivity in MW-11 had been gradually increasing but increased significantly during 2022-2023 before decreasing slightly.

Total Dissolved Solids (TDS): TDS concentration trends are similar to those reported for Conductivity including the gradual increase MW-9 and the more significant increase in MW-11.

TDS was reported above the SDWS in MW-11, MW-8D, and MW-5A during this sampling event.

Concentrations reported in these wells are within historical data ranges for the respective wells.

Chloride and Sodium: There were no exceedances of Chloride and Sodium above their respective groundwater standards in any well during this sampling event. However, concentrations in MW-8D have been steadily increasing since 2020. Sodium and Chloride in MW-11 were increasing before spiking abruptly during the Second Semiannual 2022 and First Semiannual 2024 sampling events and then decreasing during subsequent sampling events. Sodium and Chloride are also gradually increasing in background well MW-16 and compliance well P-22.

Arsenic: Arsenic appears to be gradually decreasing in background well MW-16 and concentrations dropped below the PDWS of 10 µg/L during this sampling event. Following a general increase, Arsenic has decreased in MW-2 and was reported below the PDWS during this sampling event. Arsenic increased to just above the PDWS in MW-8D during this sampling event.

Arsenic also dropped below the PDWS in MW-11 during this sampling event. Arsenic concentrations in the remaining wells were relatively stable and below the PDWS.

Barium: Barium is generally increasing gradually in MW-11 and MW-13. Barium concentrations in the remaining wells were relatively stable. There were no exceedances of the Barium PDWS of

Mr. Dale Melton

2000 µg/L in any well during this sampling event.

Iron: Iron has been gradually increasing in background well MW-16 and compliance well MW-8D.

Iron in MW-5A increased from 2017 to 2019 and appears to be stabilizing at elevated levels between 15,000 µg/L and 25,000 µg/L. Iron concentrations in the remaining wells were relatively stable. Iron concentrations in MW-5A and MW-8D are above the SDWS of 300 µg/L and are consistently higher than concentrations reported in the background wells.

Mercury: There were no exceedances of the Mercury PDWS of 2 µg/L in any well during this sampling event. Previous exceedances of Mercury in MW-13, P-21, and P-27 have been attributed to migrating landfill gas in contact with the groundwater. Gas-extraction Mercury remediation has lowered Mercury concentrations in all wells to below the PDWS of 2 ug/L during the last 5 years and Mercury in P-27 continues to show an overall decrease in concentrations.

VOCs: Benzene was not reported above the laboratory detection limit in any well during this sampling event. Low levels of Chlorobenzene and 1,4-Dichlorobenzene were reported in several wells although concentrations were well below their respective standards. Both Chlorobenzene and 1,4-Dichlorobenzene are low-level but generally increasing in MW-8D.

Conclusions and Recommendations

No additional assessment activities are recommended at this time. Semiannual monitoring will continue as outlined in Appendix 3 – Water Quality Monitoring Plan of FDEP Operations Permit 0103935-021-SO-01, issued May 15, 2024.

If you have any questions regarding this report, please contact me at our office at (352) 377- 5821 or by email at thays@jonesedmunds.com.

Sincerely, Troy D. Hays, PG Sr. Manager/Vice President 13545 Progress Boulevard, Suite 100 Alachua, FL 32615

M:\EnvDocs\Marion County\BASELINE\2025\25S1\Marion Baseline_Letter_25S1.docx xc: Mr. Mark Johnson, Marion County

Attachment 1: Groundwater Elevation Data and Groundwater Contour Map Attachment 2: Analysis Results Compared to Groundwater Standards Attachment 3: Groundwater Parameters at or Above the Laboratory Detection Limit Attachment 4: Quality Assurance/Quality Control Summary Attachment 5: Parameter Monitoring Report Forms Attachment 6: Original Laboratory Data including Chain of Custody Forms Attachment 7: Field Data Attachment 8: Historic Data Summary Attachment 9: Trend Graphs

Florida Department of Environmental Protection

Bob Martinez Center 2600 Blair Stone Road

Tallahassee, Florida 32399-2400

Northwest District 160 Government Center

Pensacola, FL 32501-5794 850-595-8360

Northeast District 7825 Baymeadows Way, Ste. 200 B

Jacksonville, FL 32256-7590 904-807-3300

Central District 3319 Maguire Blvd., Ste. 232

Orlando, FL 32803-3767 407-894-7555

Southwest District 13051 N. Telecom Pky.

Temple Terrace, FL 813-632-7600

South District 2295 Victoria Ave., Ste. 364 Fort Myers, FL 33902-2549

239-332-6975

Southeast District 400 North Congress Ave.

West Palm Beach, FL 33401 561-681-6600

DEP Form #: 62-701.900(31), F.A.C

Form Title: Water Quality Monitoring Certification

Effective Date: January 6, 2010

Incorporated in Rule 62-701.510(9), F.A.C.

WATER QUALITY MONITORING CERTIFICATION

PART I GENERAL INFORMATION

(1) Facility Name

Address

City Zip County

Telephone Number ( )

(2) WACS Facility ID

(3) DEP Permit Number

(4) Authorized Representative's Name Title

Address

City Zip County

Telephone Number ( )

Email address (if available)

CERTIFICATION

I certify under penalty of law that I have personally examined and am familiar with the information submitted in this document and all attachments and that, based on my inquiry of those individuals immediately responsible for obtaining the information, I believe that the information is true, accurate, and complete. I am aware that there are significant penalties for submission of false information including the possibility of fine and imprisonment.

(Date) (Owner or Authorized Representative's Signature)

PART II QUALITY ASSURANCE REQUIREMENTS

Sampling Organization

Analytical Lab NELAC / HRS Certification #

Lab Name

Address

Phone Number ( )_____________________________________________________________________________

Email address (if available)

Marion County Baseline Landfill

5601 S.E. 66th Street

Ocala, Florida 34478 Marion

245-4584

20906

0103935-015-SO/01 and Minor Modification No. 0103935-017-SO-MM

Troy D. Hays, PG; Jones Edmunds Sr.Manager/Vice President

13545 Progress Boulevard, Suite 100

Alachua 32615 Alachua

377-5821 thays@jonesedmunds.com

Ideal Tech Services, Inc

E83079

Pace Analytical Services

P.O. Box 468, Ormond Beach, FL 32175-0468

386 672-5668

ATTACHMENT 1

GROUNDWATER ELEVATION DATA AND

GROUNDWATER CONTOUR MAP

GROUNDWATER ELEVATION DATA

FIRST SEMIANNUAL 2025

MAP

DATE

SAMPLE

DATE

(NGVD,FT)

GROUNDWATER

ELEVATION

WELL NAME TOP OF

CASING DEPTH TO

WATER

DEPTH TO

WATER

(NGVD,FT) (FT)

CONTOUR MAP TIME OF SAMPLING

(NGVD,FT) (FT)

GROUNDWATER

ELEVATION

MW-15 81.42 37.87 43.55 37.92 43.502/17/2025 2/19/2025

MW-16 81.19 38.10 43.09 38.13 43.062/17/2025 2/19/2025

P-17 86.56 41.43 45.13 41.45 45.112/17/2025 2/19/2025

MW-2 95.08 50.23 44.85 50.23 44.852/17/2025 2/18/2025

MW-5A 77.59 32.74 44.85 32.74 44.852/17/2025 2/18/2025

MW-6 75.51 30.90 44.61 30.90 44.612/17/2025 2/18/2025

MW-7 81.28 36.46 44.82 36.46 44.822/17/2025 2/17/2025

MW-8D 91.78 46.90 44.88 46.90 44.882/17/2025 2/17/2025

MW-9 90.49 45.64 44.85 45.64 44.852/17/2025 2/18/2025

MW-11 91.88 47.07 44.81 47.10 44.782/17/2025 2/19/2025

MW-12 85.20 40.39 44.81 40.39 44.812/17/2025 2/18/2025

MW-13 75.81 31.16 44.65 31.16 44.652/17/2025 2/18/2025

MW-14 81.72 36.63 45.09 36.63 45.092/17/2025 2/18/2025

P-21 76.07 31.41 44.66 31.41 44.662/17/2025 2/18/2025 P-22 80.49 35.66 44.83 35.70 44.792/17/2025 2/19/2025 P-27 73.57 29.10 44.47 29.10 44.472/17/2025 2/17/2025 P-24 89.76 44.90 44.86 44.90 44.862/17/2025 2/18/2025 P-25 79.72 34.81 44.91 34.81 44.912/17/2025 2/18/2025

MW-2A 95.43 50.59 44.84 NS NS2/17/2025 NS

MW-7A 79.62 34.91 44.71 NS NS2/17/2025 NS

MW-8S 92.12 45.21 46.91 NS NS2/17/2025 NS

MW-2B 95.52 50.67 44.85 NS NS2/17/2025 NS

MW-7B 79.96 35.26 44.70 NS NS2/17/2025 NS

P-2 70.91 25.70 45.21 NS NS2/17/2025 NS

P-2A 70.93 25.68 45.25 NS NS2/17/2025 NS

P-2B 71.58 26.41 45.17 NS NS2/17/2025 NS

P-3 83.47 37.85 45.62 NS NS2/17/2025 NS

P-5 83.78 38.98 44.80 NS NS2/17/2025 NS

P-6 86.92 41.85 45.07 NS NS2/17/2025 NS

P-7 84.69 40.22 44.47 NS NS2/17/2025 NS

P-7A 84.74 40.24 44.50 NS NS2/17/2025 NS

P-7B 85.65 41.17 44.48 NS NS2/17/2025 NS

P-7C 85.56 41.04 44.52 NS NS2/17/2025 NS

P-8 78.61 33.93 44.68 NS NS2/17/2025 NS

P-9 71.98 27.55 44.43 NS NS2/17/2025 NS

P-10 80.48 36.32 44.16 NS NS2/17/2025 NS

P-11 80.13 35.95 44.18 NS NS2/17/2025 NS

P-13 83.02 38.59 44.43 NS NS2/17/2025 NS

P-15 72.58 28.45 44.13 NS NS2/17/2025 NS

P-16 82.91 37.83 45.08 NS NS2/17/2025 NS

P-18 90.39 45.36 45.03 NS NS2/17/2025 NS

P-18A 90.65 45.35 45.30 NS NS2/17/2025 NS

P-23 89.68 44.55 45.13 NS NS2/17/2025 NS

PDO-1 92.17 47.09 45.08 NS NS2/17/2025 NS

PMW-10 80.71 35.47 45.24 NS NS2/17/2025 NS

NAVD - North American Vertical Datum NS - Not Sampled NM - Not Measured or Dry; refer to letter for details NA - Not Available

NGVD - National Geodetic Vertical Datum

Monday, April 28, 2025 Page 1 of 1

ATTACHMENT 2

ANALYSIS RESULTS COMPARED TO

GROUNDWATER STANDARDS

PARAMETER pH (FIELD) AMMONIA

NITROGEN

TOTAL

DISSOLVED

SOLIDS

ARSENIC IRON

ANALYSIS RESULTS COMPARED TO GROUNDWATER STANDARDS AND/OR GUIDANCE CONCENTRATIONS

MARION COUNTY BASELINE LANDFILL

6.5-8.5 S.U.** 2.8 mg/L*** 500 mg/L** 10 µg/L* 300 µg/L** S.U. mg/L mg/L µg/L µg/L

STANDARD

UNITS

FIRST SEMIANNUAL 2025

Background

MW-15 02/19/2025 - - - - -

MW-16 02/19/2025 - - - - 1130

P-17 02/19/2025 - - - - -

Compliance

MW-2 02/18/2025 6.23 - - - 6270

MW-5A 02/18/2025 6.33 - 520 - 25300

MW-6 02/18/2025 - - - - -

MW-7 02/17/2025 - - - - -

MW-8D 02/17/2025 6.38 - 509 10.7 56400

MW-8D DUP 02/17/2025 6.38 - 509 10.8 56000

MW-9 02/18/2025 6.43 - - - -

MW-11 02/19/2025 - 3.2 565 - 1090

MW-12 02/18/2025 - - - - 799

MW-13 02/18/2025 4.71 - - - -

MW-14 02/18/2025 6.20 - - 12.5 1340

P-21 02/18/2025 6.03 - - - -

P-22 02/19/2025 - - - - -

P-27 02/17/2025 - - - - -

Assessment P-24 02/18/2025 - - - - -

P-25 02/18/2025 - - - - -

QAQC

EQUBLK1 02/17/2025 NM - - - -

=Primary Drinking Water Standard =Secondary Drinking Water Standard =Chapter 62-777 Groundwater Cleanup Target Levels (GCTL) =Analysis Result is at Groundwater Standard or GCTL =Analysis Result is not at or outside Groundwater Standard or GCTL =Not Sampled =Not Measured

NS

NM

Note:

This table displays analysis results which were reported at or outside Groundwater Standards or GCTL.

Analysis results notated with "@" indicate that the analysis result was reported at the Groundwater Standard or GCTL.

Analysis results which were reported above the laboratory detection limit (reporting limit), but not at or above the Groundwater Standard or GCTL concentration are not displayed in this table.

LEGEND

Monday, April 28, 2025

ATTACHMENT 3

GROUNDWATER PARAMETERS

AT OR ABOVE THE LABORATORY DETECTION LIMIT

PARAMETER CONDUC-

TIVITY

(FIELD)

DEPTH TO

WATER FROM

MEASURE PT

DISSOLVED

OXYGEN

(FIELD)

GROUND-

WATER

ELEVATION

pH (FIELD) REDOX

POTENTIAL

TEMPER-

ATURE

(FIELD)

TURBIDITY

(FIELD)

AMMONIA

NITROGEN

CHLORIDE NITRATE

NITROGEN

TOTAL

DISSOLVED

SOLIDS

PARAMETERS AT OR ABOVE THE LABORATORY DETECTION LIMIT

MARION COUNTY BASELINE LANDFILL

(1) (1) (1) (1) 6.5-8.5 S.U.** (1) (1) (1) 2.8 mg/L*** 250 mg/L** 10 mg/L* 500 mg/L** uS/cm ft ppm ft, NGVD S.U. mV deg C NTU mg/L mg/L mg/L mg/L

STANDARD

UNITS

FIRST SEMIANNUAL 2025

Background

MW-15 02/19/2025 623 37.92 0.15 43.50 6.67 50 25.0 0.10 < 0.035 3.4 I 1.5 358

MW-16 02/19/2025 820 38.13 1.20 43.06 6.63 -55 24.3 1.70 0.67 14.4 < 0.025 455

P-17 02/19/2025 590 41.45 2.67 45.11 6.85 75 24.6 0.30 < 0.035 9.3 2.8 332

Compliance

MW-2 02/18/2025 558 50.23 0.17 44.85 6.23 -47 26.0 11.60 0.11 4.5 I < 0.25 327

MW-5A 02/18/2025 993 32.74 0.07 44.85 6.33 -114 24.6 1.20 1.2 25.5 < 0.25 520

MW-6 02/18/2025 374 30.90 0.11 44.61 6.97 -72 24.7 1.90 < 0.035 6.0 < 0.025 183

MW-7 02/17/2025 494 36.46 0.57 44.82 6.54 104 25.1 1.10 < 0.035 8.1 2.5 282

MW-8D 02/17/2025 1060 46.90 0.07 44.88 6.38 -110 26.9 1.30 0.14 65.0 < 0.12 509

MW-8D DUP 02/17/2025 1060 46.90 0.07 44.88 6.38 -110 26.9 1.30 0.15 64.0 < 0.12 509

MW-9 02/18/2025 908 45.64 0.25 44.85 6.43 71 24.6 3.40 0.35 18.7 0.73 499

MW-11 02/19/2025 1020 47.10 0.16 44.78 6.56 48 24.8 2.60 3.2 75.7 4.5 565

MW-12 02/18/2025 771 40.39 0.32 44.81 6.53 100 25.0 13.20 < 0.035 5.1 3.8 425

MW-13 02/18/2025 69 31.16 4.62 44.65 4.71 247 24.2 0.90 < 0.035 6.3 5.0 142

MW-14 02/18/2025 414 36.63 0.10 45.09 6.20 -68 25.3 1.10 < 0.035 9.8 0.092 247

P-21 02/18/2025 238 31.41 5.24 44.66 6.03 300 24.1 8.10 < 0.035 6.0 3.6 40.0

P-22 02/19/2025 810 35.70 0.13 44.79 6.57 -67 24.7 0.40 0.24 20.0 4.5 447

P-27 02/17/2025 611 29.10 0.61 44.47 6.81 110 24.4 1.80 < 0.035 8.3 2.2 335

Assessment P-24 02/18/2025 737 44.90 0.13 44.86 6.57 180 24.8 1.80 0.35 9.1 0.18 406

P-25 02/18/2025 532 34.81 5.47 44.91 6.92 118 24.6 1.20 < 0.035 12.4 3.4 285

QAQC

EQUBLK1 02/17/2025 - - - - - - - - < 0.035 3.3 I 0.054 14.0

TRIP1 02/17/2025 - - - - - - - - - - - -

TRIP2 02/18/2025 - - - - - - - - - - - -

TRIP3 02/18/2025 - - - - - - - - - - - -

TRIP4 02/19/2025 - - - - - - - - - - - -

PARAMETER ARSENIC BARIUM BERYLLIUM CADMIUM CHROMIUM COBALT COPPER IRON MERCURY NICKEL SELENIUM SODIUM

PARAMETERS AT OR ABOVE THE LABORATORY DETECTION LIMIT

MARION COUNTY BASELINE LANDFILL

10 µg/L* 2000 µg/L* 4 µg/L* 5 µg/L* 100 µg/L* 140µg/L*** 1000 µg/L** 300 µg/L** 2 µg/L* 100 µg/L* 50 µg/L* 160 mg/L* µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L mg/L

STANDARD

UNITS

FIRST SEMIANNUAL 2025

Background MW-15 02/19/2025 0.56 I 7.3 I < 0.17 < 0.33 < 1.7 < 0.96 < 2.6 < 25.0 < 0.14 1.2 I 6.8 I 2.5

MW-16 02/19/2025 9.2 15.6 < 0.17 < 0.33 < 1.7 10.7 < 2.6 1130 < 0.14 12.2 < 3.9 11.7

P-17 02/19/2025 0.67 I 10.8 < 0.17 < 0.33 1.8 I < 0.96 < 2.6 < 25.0 < 0.14 < 1.0 < 3.9 7.8

Compliance MW-2 02/18/2025 4.8 9.5 I < 0.17 < 0.33 < 1.7 7.6 I < 2.6 6270 < 0.14 2.9 I < 3.9 5.3

MW-5A 02/18/2025 1.8 17.8 < 0.17 < 0.33 < 1.7 < 0.96 < 2.6 25300 < 0.14 < 1.0 < 3.9 17.5

MW-6 02/18/2025 0.74 I 2.0 I < 0.17 0.42 I 2.5 I 3.2 I < 2.6 107 < 0.14 7.2 < 3.9 2.8

MW-7 02/17/2025 0.99 I 2.0 I < 0.17 0.63 I 2.5 I < 0.96 < 2.6 < 25.0 < 0.14 6.4 < 3.9 6.5

MW-8D 02/17/2025 10.7 4.7 I 1.1 I < 0.33 < 1.7 3.7 I < 2.6 56400 < 0.14 2.3 I < 3.9 16.8 MW-8D DUP 02/17/2025 10.8 4.7 I 1.0 I < 0.33 < 1.7 3.7 I 9.8 56000 < 0.14 2.4 I < 3.9 16.7

MW-9 02/18/2025 1.0 16.0 < 0.17 < 0.33 < 1.7 2.1 I < 2.6 173 < 0.14 12.2 < 3.9 14.1

MW-11 02/19/2025 7.2 15.7 < 0.17 < 0.33 < 1.7 4.3 I < 2.6 1090 < 0.14 10.8 < 3.9 49.2

MW-12 02/18/2025 2.3 11.7 < 0.17 < 0.33 < 1.7 1.7 I < 2.6 799 < 0.14 3.5 I < 3.9 3.8

MW-13 02/18/2025 < 0.50 14.9 0.18 I 0.71 I 6.3 < 0.96 < 2.6 297 0.20 3.0 I < 3.9 4.0

MW-14 02/18/2025 12.5 10.5 < 0.17 < 0.33 2.4 I < 0.96 3.6 I 1340 < 0.14 1.8 I < 3.9 7.8

P-21 02/18/2025 < 0.50 23.4 0.24 I 0.48 I < 1.7 < 0.96 < 2.6 104 0.19 I 1.5 I < 3.9 3.3

P-22 02/19/2025 1.1 6.8 I < 0.17 < 0.33 < 1.7 1.7 I < 2.6 58.5 < 0.14 6.9 < 3.9 14.4

P-27 02/17/2025 0.62 I 7.1 I < 0.17 < 0.33 1.9 I < 0.96 < 2.6 < 25.0 0.17 I < 1.0 < 3.9 6.2

Assessment P-24 02/18/2025 < 0.50 5.1 I < 0.17 < 0.33 < 1.7 3.4 I < 2.6 < 25.0 < 0.14 2.7 I < 3.9 7.1

P-25 02/18/2025 < 0.50 1.7 I < 0.17 < 0.33 5.7 < 0.96 < 2.6 25.1 I < 0.14 < 1.0 < 3.9 12.2

QAQC

EQUBLK1 02/17/2025 < 0.50 < 0.84 < 0.17 < 0.33 < 1.7 < 0.96 < 2.6 < 25.0 < 0.14 1.1 I 4.5 I 2.4

TRIP1 02/17/2025 - - - - - - - - - - - -

TRIP2 02/18/2025 - - - - - - - - - - - -

TRIP3 02/18/2025 - - - - - - - - - - - -

TRIP4 02/19/2025 - - - - - - - - - - - -

PARAMETER THALLIUM VANADIUM 1,4-

DICHLORO-

BENZENE

ACETONE CHLORO-

BENZENE

CHLORO-

FORM

VINYL

CHLORIDE

TOTAL VOCS

PARAMETERS AT OR ABOVE THE LABORATORY DETECTION LIMIT

MARION COUNTY BASELINE LANDFILL

2 µg/L* 49 µg/L*** 75 µg/L* 6300 µg/L*** 100 µg/L* 70 µg/L*** 1 µg/L* (1) µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L

STANDARD

UNITS

FIRST SEMIANNUAL 2025

Background

MW-15 02/19/2025 0.88 I 11.8 < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

MW-16 02/19/2025 < 0.11 < 1.0 < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

P-17 02/19/2025 < 0.11 10.3 < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

Compliance

MW-2 02/18/2025 0.16 I 1.2 I 1.3 < 8.7 0.83 I < 0.56 < 0.39 2.13

MW-5A 02/18/2025 < 0.11 < 1.0 2.1 < 8.7 1.2 < 0.56 < 0.39 3.3

MW-6 02/18/2025 0.19 I 3.4 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

MW-7 02/17/2025 0.14 I 25.3 < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

MW-8D 02/17/2025 < 0.11 < 1.0 0.97 I < 8.7 1.1 < 0.56 < 0.39 2.07

MW-8D DUP 02/17/2025 < 0.11 < 1.0 0.94 I < 8.7 1.2 < 0.56 < 0.39 2.14

MW-9 02/18/2025 0.55 I 2.7 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

MW-11 02/19/2025 1.9 5.4 I 0.51 I < 8.7 < 0.35 < 0.56 0.44 I 0.95

MW-12 02/18/2025 0.96 I 4.7 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

MW-13 02/18/2025 < 0.11 7.4 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

MW-14 02/18/2025 0.15 I 1.4 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

P-21 02/18/2025 < 0.11 2.0 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

P-22 02/19/2025 0.63 I 22.2 < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

P-27 02/17/2025 0.14 I 4.2 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

Assessment P-24 02/18/2025 0.37 I 2.1 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

P-25 02/18/2025 < 0.11 3.9 I < 0.28 < 8.7 < 0.35 < 0.56 < 0.39 -

QAQC

EQUBLK1 02/17/2025 < 0.11 < 1.0 < 0.28 < 8.7 < 0.35 2.5 < 0.39 2.5

TRIP1 02/17/2025 - - < 0.28 17.5 I < 0.35 < 0.56 < 0.39 17.5

TRIP2 02/18/2025 - - < 0.28 15.7 I < 0.35 < 0.56 < 0.39 15.7

TRIP3 02/18/2025 - - < 0.28 14.4 I < 0.35 < 0.56 < 0.39 14.4

TRIP4 02/19/2025 - - < 0.28 19.6 I < 0.35 < 0.56 < 0.39 19.6

PARAMETER THALLIUM VANADIUM 1,4-

DICHLORO-

BENZENE

ACETONE CHLORO-

BENZENE

CHLORO-

FORM

VINYL

CHLORIDE

TOTAL VOCS

PARAMETERS AT OR ABOVE THE LABORATORY DETECTION LIMIT

MARION COUNTY BASELINE LANDFILL

2 µg/L* 49 µg/L*** 75 µg/L* 6300 µg/L*** 100 µg/L* 70 µg/L*** 1 µg/L* (1) µg/L µg/L µg/L µg/L µg/L µg/L µg/L µg/L

STANDARD

UNITS

FIRST SEMIANNUAL 2025

=Primary Drinking Water Standard =Secondary Drinking Water Standard =Chapter 62-777 - Groundwater Cleanup Target Level (GCTL) =No Standard =Not Analyzed

(1)

LEGEND

I = Value is between the Method Detection Level (MDL) and the Reporting Detection Level (RDL) J = Estimated value V = Analyte found in associated method blank Q = Estimated value; analyte analyzed after acceptable holding time

ATTACHMENT 4

QUALITY ASSURANCE/QUALITY CONTROL SUMMARY

Site:

Sampling Period:

Trip Blanks:

Final Report Identifier

COC Identifier Date Analysis Parameters Detected

TRIP1 Trip Blank 1 2/17/2025 VOCs See Attached TRIP2 Trip Blank 2 2/18/2025 VOCs See Attached TRIP3 Trip Blank 3 2/18/2025 VOCs See Attached TRIP4 Trip Blank 4 2/19/2025 VOCs See Attached

Equipment Blanks:

Final Report Identifier

COC Identifier Date Analysis Equipment Parameters Detected

EQUBLK1 Equipment Blank 2/17/2025 Groundwater Parameters Grab See Attached

Field Sampling Procedures:

In-House Field Data QA Review Comments:

Laboratory Procedures:

Field Quality Control Sample Review

No deficiencies noted.

No deficiencies noted.

Marion County Baseline Landfill First Semiannual 2025

See Attached

M:\EnvDocs\Marion County\BASELINE\2025\25S1\25S1_QAQC_Form

PARAMETER CHLORIDE NITRATE

NITROGEN

TOTAL

DISSOLVED

SOLIDS

NICKEL SELENIUM SODIUM ACETONE CHLORO-

FORM

TOTAL VOCS

PARAMETERS AT OR ABOVE THE LABORATORY DETECTION LIMIT

MARION COUNTY BASELINE LANDFILL

250 mg/L** 10 mg/L* 500 mg/L** 100 µg/L* 50 µg/L* 160 mg/L* 6300 µg/L*** 70 µg/L*** (1) mg/L mg/L mg/L µg/L µg/L mg/L µg/L µg/L µg/L

STANDARD

UNITS

FIRST SEMIANNUAL 2025

QAQC

EQUBLK1 02/17/2025 3.3 I 0.054 14.0 1.1 I 4.5 I 2.4 < 8.7 2.5 2.5

TRIP1 02/17/2025 - - - - - - 17.5 I < 0.56 17.5

TRIP2 02/18/2025 - - - - - - 15.7 I < 0.56 15.7

TRIP3 02/18/2025 - - - - - - 14.4 I < 0.56 14.4

TRIP4 02/19/2025 - - - - - - 19.6 I < 0.56 19.6

=Primary Drinking Water Standard =Secondary Drinking Water Standard =Chapter 62-777 - Groundwater Cleanup Target Level (GCTL) =No Standard =Not Analyzed

(1)

LEGEND

I = Value is between the Method Detection Level (MDL) and the Reporting Detection Level (RDL) J = Estimated value V = Analyte found in associated method blank Q = Estimated value; analyte analyzed after acceptable holding time

Wednesday, March 12, 2025

ATTACHMENT 5

PARAMETER MONITORING REPORT FORMS

ANALYSIS

METHOD

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/19/2025 11:31:00 AM

MW-15

43.50

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12862

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

DEP SOP082546 DEPTH TO WATER FROM MEASURE PT No 37.92 feet feet2/19/2025 11:37:00 AMBP

DEP SOP082545 GROUNDWATER ELEVATION No 43.50 feet feet2/19/2025 11:37:00 AMBP

EPA 120.1000094 CONDUCTIVITY (FIELD) No 623 umhos/cm umhos/cm2/19/2025 11:37:00 AMBP

EPA 150.1000406 pH (FIELD) No 6.67 Std. Units Std. Units2/19/2025 11:37:00 AMBP

EPA 170.1000010 TEMPERATURE (FIELD) No 25.0 deg C deg C2/19/2025 11:37:00 AMBP

EPA 180.1082078 TURBIDITY (FIELD) No 0.10 NTU NTU2/19/2025 11:37:00 AMBP

EPA 300.0000940 CHLORIDE No 3.4 I mg/L 2.5 mg/L3/3/2025 9:08:00 AMBP

EPA 350.1000610 AMMONIA NITROGEN No < 0.035 mg/L 0.035 mg/L2/26/2025 12:57:00 PMBP

EPA 353.2000620 NITRATE NITROGEN No 1.5 mg/L 0.025 mg/L2/21/2025 1:39:00 AMBP

EPA 360.1000299 DISSOLVED OXYGEN (FIELD) No 0.15 mg/L mg/L2/19/2025 11:37:00 AMBP

EPA 6010001007 BARIUM No 7.3 I ug/L 0.84 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001012 BERYLLIUM No < 0.17 ug/L 0.17 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001027 CADMIUM No < 0.33 ug/L 0.33 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001034 CHROMIUM No < 1.7 ug/L 1.7 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001037 COBALT No < 0.96 ug/L 0.96 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001042 COPPER No < 2.6 ug/L 2.6 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001045 IRON No < 25.0 ug/L 25.0 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001051 LEAD No < 2.1 ug/L 2.1 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001067 NICKEL No 1.2 I ug/L 1.0 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001147 SELENIUM No 6.8 I ug/L 3.9 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001077 SILVER No < 1.0 ug/L 1.0 ug/L3/5/2025 5:35:00 PMBP

EPA 6010000929 SODIUM No 2.5 mg/L 0.54 mg/L3/5/2025 5:35:00 PMBP

EPA 6010001087 VANADIUM No 11.8 ug/L 1.0 ug/L3/5/2025 5:35:00 PMBP

EPA 6010001092 ZINC No < 11.0 ug/L 11.0 ug/L3/5/2025 5:35:00 PMBP

EPA 6020001097 ANTIMONY No < 0.50 ug/L 0.50 ug/L2/28/2025 3:03:00 PMBP

EPA 6020001002 ARSENIC No 0.56 I ug/L 0.50 ug/L2/28/2025 3:03:00 PMBP

EPA 6020001059 THALLIUM No 0.88 I ug/L 0.11 ug/L2/28/2025 3:03:00 PMBP

EPA 7470071900 MERCURY No < 0.14 ug/L 0.14 ug/L3/10/2025 10:33:00 AMBP

EPA 8011049146 1,2-DIBROMO-3-CHLOROPROPANE No < 0.0064 ug/L 0.0064 ug/L3/1/2025 7:50:00 AMBP

EPA 8011077651 1,2-DIBROMOETHANE (EDB) No < 0.0075 ug/L 0.0075 ug/L3/1/2025 7:50:00 AMBP

EPA 8260049263 (E)-1,4-DICHLORO-2-BUTENE No < 2.5 ug/L 2.5 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077562 1,1,1,2-TETRACHLOROETHANE No < 0.32 ug/L 0.32 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034506 1,1,1-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034516 1,1,2,2-TETRACHLOROETHANE No < 0.59 ug/L 0.59 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034511 1,1,2-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034496 1,1-DICHLOROETHANE No < 0.34 ug/L 0.34 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034501 1,1-DICHLOROETHENE No < 0.59 ug/L 0.59 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077443 1,2,3-TRICHLOROPROPANE No < 0.53 ug/L 0.53 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034536 1,2-DICHLOROBENZENE No < 0.60 ug/L 0.60 ug/L2/24/2025 6:40:00 AMBP

* Attach Laboratory Reports 1

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/19/2025 11:31:00 AM

MW-15

43.50

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12862

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

EPA 8260034531 1,2-DICHLOROETHANE No < 0.27 ug/L 0.27 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034541 1,2-DICHLOROPROPANE No < 0.23 ug/L 0.23 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034571 1,4-DICHLOROBENZENE No < 0.28 ug/L 0.28 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077103 2-HEXANONE No < 6.6 ug/L 6.6 ug/L2/24/2025 6:40:00 AMBP

EPA 8260078133 4-METHYL-2-PENTANONE No < 7.5 ug/L 7.5 ug/L2/24/2025 6:40:00 AMBP

EPA 8260081552 ACETONE No < 8.7 ug/L 8.7 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034215 ACRYLONITRILE No < 3.7 ug/L 3.7 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034030 BENZENE No < 0.30 ug/L 0.30 ug/L2/24/2025 6:40:00 AMBP

EPA 8260073085 BROMOCHLOROMETHANE No < 0.37 ug/L 0.37 ug/L2/24/2025 6:40:00 AMBP

EPA 8260032101 BROMODICHLOROMETHANE No < 0.19 ug/L 0.19 ug/L2/24/2025 6:40:00 AMBP

EPA 8260032104 BROMOFORM No < 0.48 ug/L 0.48 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034413 BROMOMETHANE No < 3.9 ug/L 3.9 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077041 CARBON DISULFIDE No < 1.8 ug/L 1.8 ug/L2/24/2025 6:40:00 AMBP

EPA 8260032102 CARBON TETRACHLORIDE No < 0.44 ug/L 0.44 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034301 CHLOROBENZENE No < 0.35 ug/L 0.35 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034311 CHLOROETHANE No < 3.7 ug/L 3.7 ug/L2/24/2025 6:40:00 AMBP

EPA 8260032106 CHLOROFORM No < 0.56 ug/L 0.56 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034418 CHLOROMETHANE No < 0.43 ug/L 0.43 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077093 CIS-1,2-DICHLOROETHENE No < 0.27 ug/L 0.27 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034704 CIS-1,3-DICHLOROPROPENE No < 0.17 ug/L 0.17 ug/L2/24/2025 6:40:00 AMBP

EPA 8260032105 DIBROMOCHLOROMETHANE No < 0.45 ug/L 0.45 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077596 DIBROMOMETHANE No < 0.68 ug/L 0.68 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034423 DICHLOROMETHANE No < 1.7 ug/L 1.7 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034371 ETHYLBENZENE No < 0.30 ug/L 0.30 ug/L2/24/2025 6:40:00 AMBP

EPA 8260081595 METHYL ETHYL KETONE No < 6.7 ug/L 6.7 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077424 METHYL IODIDE No < 3.6 ug/L 3.6 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077128 STYRENE No < 0.26 ug/L 0.26 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034475 TETRACHLOROETHENE No < 0.38 ug/L 0.38 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034010 TOLUENE No < 0.33 ug/L 0.33 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034546 TRANS-1,2-DICHLOROETHENE No < 0.23 ug/L 0.23 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034699 TRANS-1,3-DICHLOROPROPENE No < 0.37 ug/L 0.37 ug/L2/24/2025 6:40:00 AMBP

EPA 8260039180 TRICHLOROETHENE No < 0.36 ug/L 0.36 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034488 TRICHLOROFLUOROMETHANE No < 0.72 ug/L 0.72 ug/L2/24/2025 6:40:00 AMBP

EPA 8260077057 VINYL ACETATE No < 1.8 ug/L 1.8 ug/L2/24/2025 6:40:00 AMBP

EPA 8260039175 VINYL CHLORIDE No < 0.39 ug/L 0.39 ug/L2/24/2025 6:40:00 AMBP

EPA 8260034020 XYLENES No < 2.1 ug/L 2.1 ug/L2/24/2025 6:40:00 AMBP

SM 2540C070300 TOTAL DISSOLVED SOLIDS No 358 mg/L 5.0 mg/L2/24/2025 5:30:00 AMBP

SM2580B046480 REDOX POTENTIAL (FIELD) No 50 mV mV2/19/2025 11:37:00 AMBP

* Attach Laboratory Reports 2

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/19/2025 11:07:00 AM

MW-16

43.06

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12923

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

DEP SOP082546 DEPTH TO WATER FROM MEASURE PT No 38.13 feet feet2/19/2025 11:13:00 AMBP

DEP SOP082545 GROUNDWATER ELEVATION No 43.06 feet feet2/19/2025 11:13:00 AMBP

EPA 120.1000094 CONDUCTIVITY (FIELD) No 820 umhos/cm umhos/cm2/19/2025 11:13:00 AMBP

EPA 150.1000406 pH (FIELD) No 6.63 Std. Units Std. Units2/19/2025 11:13:00 AMBP

EPA 170.1000010 TEMPERATURE (FIELD) No 24.3 deg C deg C2/19/2025 11:13:00 AMBP

EPA 180.1082078 TURBIDITY (FIELD) No 1.70 NTU NTU2/19/2025 11:13:00 AMBP

EPA 300.0000940 CHLORIDE No 14.4 mg/L 2.5 mg/L3/3/2025 8:45:00 AMBP

EPA 350.1000610 AMMONIA NITROGEN No 0.67 mg/L 0.035 mg/L2/26/2025 12:49:00 PMBP

EPA 353.2000620 NITRATE NITROGEN No < 0.025 mg/L 0.025 mg/L2/21/2025 1:36:00 AMBP

EPA 360.1000299 DISSOLVED OXYGEN (FIELD) No 1.20 mg/L mg/L2/19/2025 11:13:00 AMBP

EPA 6010001007 BARIUM No 15.6 ug/L 0.84 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001012 BERYLLIUM No < 0.17 ug/L 0.17 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001027 CADMIUM No < 0.33 ug/L 0.33 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001034 CHROMIUM No < 1.7 ug/L 1.7 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001037 COBALT No 10.7 ug/L 0.96 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001042 COPPER No < 2.6 ug/L 2.6 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001045 IRON No 1130 ug/L 25.0 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001051 LEAD No < 2.1 ug/L 2.1 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001067 NICKEL No 12.2 ug/L 1.0 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001147 SELENIUM No < 3.9 ug/L 3.9 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001077 SILVER No < 1.0 ug/L 1.0 ug/L3/5/2025 5:31:00 PMBP

EPA 6010000929 SODIUM No 11.7 mg/L 0.54 mg/L3/5/2025 5:31:00 PMBP

EPA 6010001087 VANADIUM No < 1.0 ug/L 1.0 ug/L3/5/2025 5:31:00 PMBP

EPA 6010001092 ZINC No < 11.0 ug/L 11.0 ug/L3/5/2025 5:31:00 PMBP

EPA 6020001097 ANTIMONY No < 0.50 ug/L 0.50 ug/L2/28/2025 3:01:00 PMBP

EPA 6020001002 ARSENIC No 9.2 ug/L 0.50 ug/L2/28/2025 3:01:00 PMBP

EPA 6020001059 THALLIUM No < 0.11 ug/L 0.11 ug/L2/28/2025 3:01:00 PMBP

EPA 7470071900 MERCURY No < 0.14 ug/L 0.14 ug/L3/10/2025 10:31:00 AMBP

EPA 8011049146 1,2-DIBROMO-3-CHLOROPROPANE No < 0.0064 ug/L 0.0064 ug/L3/1/2025 7:25:00 AMBP

EPA 8011077651 1,2-DIBROMOETHANE (EDB) No < 0.0075 ug/L 0.0075 ug/L3/1/2025 7:25:00 AMBP

EPA 8260049263 (E)-1,4-DICHLORO-2-BUTENE No < 2.5 ug/L 2.5 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077562 1,1,1,2-TETRACHLOROETHANE No < 0.32 ug/L 0.32 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034506 1,1,1-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034516 1,1,2,2-TETRACHLOROETHANE No < 0.59 ug/L 0.59 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034511 1,1,2-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034496 1,1-DICHLOROETHANE No < 0.34 ug/L 0.34 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034501 1,1-DICHLOROETHENE No < 0.59 ug/L 0.59 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077443 1,2,3-TRICHLOROPROPANE No < 0.53 ug/L 0.53 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034536 1,2-DICHLOROBENZENE No < 0.60 ug/L 0.60 ug/L2/24/2025 5:55:00 AMBP

* Attach Laboratory Reports 3

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/19/2025 11:07:00 AM

MW-16

43.06

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12923

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

EPA 8260034531 1,2-DICHLOROETHANE No < 0.27 ug/L 0.27 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034541 1,2-DICHLOROPROPANE No < 0.23 ug/L 0.23 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034571 1,4-DICHLOROBENZENE No < 0.28 ug/L 0.28 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077103 2-HEXANONE No < 6.6 ug/L 6.6 ug/L2/24/2025 5:55:00 AMBP

EPA 8260078133 4-METHYL-2-PENTANONE No < 7.5 ug/L 7.5 ug/L2/24/2025 5:55:00 AMBP

EPA 8260081552 ACETONE No < 8.7 ug/L 8.7 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034215 ACRYLONITRILE No < 3.7 ug/L 3.7 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034030 BENZENE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:55:00 AMBP

EPA 8260073085 BROMOCHLOROMETHANE No < 0.37 ug/L 0.37 ug/L2/24/2025 5:55:00 AMBP

EPA 8260032101 BROMODICHLOROMETHANE No < 0.19 ug/L 0.19 ug/L2/24/2025 5:55:00 AMBP

EPA 8260032104 BROMOFORM No < 0.48 ug/L 0.48 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034413 BROMOMETHANE No < 3.9 ug/L 3.9 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077041 CARBON DISULFIDE No < 1.8 ug/L 1.8 ug/L2/24/2025 5:55:00 AMBP

EPA 8260032102 CARBON TETRACHLORIDE No < 0.44 ug/L 0.44 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034301 CHLOROBENZENE No < 0.35 ug/L 0.35 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034311 CHLOROETHANE No < 3.7 ug/L 3.7 ug/L2/24/2025 5:55:00 AMBP

EPA 8260032106 CHLOROFORM No < 0.56 ug/L 0.56 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034418 CHLOROMETHANE No < 0.43 ug/L 0.43 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077093 CIS-1,2-DICHLOROETHENE No < 0.27 ug/L 0.27 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034704 CIS-1,3-DICHLOROPROPENE No < 0.17 ug/L 0.17 ug/L2/24/2025 5:55:00 AMBP

EPA 8260032105 DIBROMOCHLOROMETHANE No < 0.45 ug/L 0.45 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077596 DIBROMOMETHANE No < 0.68 ug/L 0.68 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034423 DICHLOROMETHANE No < 1.7 ug/L 1.7 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034371 ETHYLBENZENE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:55:00 AMBP

EPA 8260081595 METHYL ETHYL KETONE No < 6.7 ug/L 6.7 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077424 METHYL IODIDE No < 3.6 ug/L 3.6 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077128 STYRENE No < 0.26 ug/L 0.26 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034475 TETRACHLOROETHENE No < 0.38 ug/L 0.38 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034010 TOLUENE No < 0.33 ug/L 0.33 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034546 TRANS-1,2-DICHLOROETHENE No < 0.23 ug/L 0.23 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034699 TRANS-1,3-DICHLOROPROPENE No < 0.37 ug/L 0.37 ug/L2/24/2025 5:55:00 AMBP

EPA 8260039180 TRICHLOROETHENE No < 0.36 ug/L 0.36 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034488 TRICHLOROFLUOROMETHANE No < 0.72 ug/L 0.72 ug/L2/24/2025 5:55:00 AMBP

EPA 8260077057 VINYL ACETATE No < 1.8 ug/L 1.8 ug/L2/24/2025 5:55:00 AMBP

EPA 8260039175 VINYL CHLORIDE No < 0.39 ug/L 0.39 ug/L2/24/2025 5:55:00 AMBP

EPA 8260034020 XYLENES No < 2.1 ug/L 2.1 ug/L2/24/2025 5:55:00 AMBP

SM 2540C070300 TOTAL DISSOLVED SOLIDS No 455 mg/L 5.0 mg/L2/24/2025 5:30:00 AMBP

SM2580B046480 REDOX POTENTIAL (FIELD) No -55 mV mV2/19/2025 11:13:00 AMBP

* Attach Laboratory Reports 4

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/19/2025 10:42:00 AM

P-17

45.11

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12924

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

DEP SOP082546 DEPTH TO WATER FROM MEASURE PT No 41.45 feet feet2/19/2025 10:48:00 AMBP

DEP SOP082545 GROUNDWATER ELEVATION No 45.11 feet feet2/19/2025 10:48:00 AMBP

EPA 120.1000094 CONDUCTIVITY (FIELD) No 590 umhos/cm umhos/cm2/19/2025 10:48:00 AMBP

EPA 150.1000406 pH (FIELD) No 6.85 Std. Units Std. Units2/19/2025 10:48:00 AMBP

EPA 170.1000010 TEMPERATURE (FIELD) No 24.6 deg C deg C2/19/2025 10:48:00 AMBP

EPA 180.1082078 TURBIDITY (FIELD) No 0.30 NTU NTU2/19/2025 10:48:00 AMBP

EPA 300.0000940 CHLORIDE No 9.3 mg/L 2.5 mg/L3/3/2025 8:21:00 AMBP

EPA 350.1000610 AMMONIA NITROGEN No < 0.035 mg/L 0.035 mg/L2/26/2025 12:47:00 PMBP

EPA 353.2000620 NITRATE NITROGEN No 2.8 mg/L 0.025 mg/L2/21/2025 1:33:00 AMBP

EPA 360.1000299 DISSOLVED OXYGEN (FIELD) No 2.67 mg/L mg/L2/19/2025 10:48:00 AMBP

EPA 6010001007 BARIUM No 10.8 ug/L 0.84 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001012 BERYLLIUM No < 0.17 ug/L 0.17 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001027 CADMIUM No < 0.33 ug/L 0.33 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001034 CHROMIUM No 1.8 I ug/L 1.7 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001037 COBALT No < 0.96 ug/L 0.96 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001042 COPPER No < 2.6 ug/L 2.6 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001045 IRON No < 25.0 ug/L 25.0 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001051 LEAD No < 2.1 ug/L 2.1 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001067 NICKEL No < 1.0 ug/L 1.0 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001147 SELENIUM No < 3.9 ug/L 3.9 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001077 SILVER No < 1.0 ug/L 1.0 ug/L3/5/2025 5:27:00 PMBP

EPA 6010000929 SODIUM No 7.8 mg/L 0.54 mg/L3/5/2025 5:27:00 PMBP

EPA 6010001087 VANADIUM No 10.3 ug/L 1.0 ug/L3/5/2025 5:27:00 PMBP

EPA 6010001092 ZINC No < 11.0 ug/L 11.0 ug/L3/5/2025 5:27:00 PMBP

EPA 6020001097 ANTIMONY No < 0.50 ug/L 0.50 ug/L2/28/2025 2:59:00 PMBP

EPA 6020001002 ARSENIC No 0.67 I ug/L 0.50 ug/L2/28/2025 2:59:00 PMBP

EPA 6020001059 THALLIUM No < 0.11 ug/L 0.11 ug/L2/28/2025 2:59:00 PMBP

EPA 7470071900 MERCURY No < 0.14 ug/L 0.14 ug/L3/10/2025 10:24:00 AMBP

EPA 8011049146 1,2-DIBROMO-3-CHLOROPROPANE No < 0.0065 ug/L 0.0065 ug/L3/1/2025 7:01:00 AMBP

EPA 8011077651 1,2-DIBROMOETHANE (EDB) No < 0.0076 ug/L 0.0076 ug/L3/1/2025 7:01:00 AMBP

EPA 8260049263 (E)-1,4-DICHLORO-2-BUTENE No < 2.5 ug/L 2.5 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077562 1,1,1,2-TETRACHLOROETHANE No < 0.32 ug/L 0.32 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034506 1,1,1-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034516 1,1,2,2-TETRACHLOROETHANE No < 0.59 ug/L 0.59 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034511 1,1,2-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034496 1,1-DICHLOROETHANE No < 0.34 ug/L 0.34 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034501 1,1-DICHLOROETHENE No < 0.59 ug/L 0.59 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077443 1,2,3-TRICHLOROPROPANE No < 0.53 ug/L 0.53 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034536 1,2-DICHLOROBENZENE No < 0.60 ug/L 0.60 ug/L2/24/2025 5:32:00 AMBP

* Attach Laboratory Reports 5

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/19/2025 10:42:00 AM

P-17

45.11

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12924

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

EPA 8260034531 1,2-DICHLOROETHANE No < 0.27 ug/L 0.27 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034541 1,2-DICHLOROPROPANE No < 0.23 ug/L 0.23 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034571 1,4-DICHLOROBENZENE No < 0.28 ug/L 0.28 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077103 2-HEXANONE No < 6.6 ug/L 6.6 ug/L2/24/2025 5:32:00 AMBP

EPA 8260078133 4-METHYL-2-PENTANONE No < 7.5 ug/L 7.5 ug/L2/24/2025 5:32:00 AMBP

EPA 8260081552 ACETONE No < 8.7 ug/L 8.7 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034215 ACRYLONITRILE No < 3.7 ug/L 3.7 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034030 BENZENE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:32:00 AMBP

EPA 8260073085 BROMOCHLOROMETHANE No < 0.37 ug/L 0.37 ug/L2/24/2025 5:32:00 AMBP

EPA 8260032101 BROMODICHLOROMETHANE No < 0.19 ug/L 0.19 ug/L2/24/2025 5:32:00 AMBP

EPA 8260032104 BROMOFORM No < 0.48 ug/L 0.48 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034413 BROMOMETHANE No < 3.9 ug/L 3.9 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077041 CARBON DISULFIDE No < 1.8 ug/L 1.8 ug/L2/24/2025 5:32:00 AMBP

EPA 8260032102 CARBON TETRACHLORIDE No < 0.44 ug/L 0.44 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034301 CHLOROBENZENE No < 0.35 ug/L 0.35 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034311 CHLOROETHANE No < 3.7 ug/L 3.7 ug/L2/24/2025 5:32:00 AMBP

EPA 8260032106 CHLOROFORM No < 0.56 ug/L 0.56 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034418 CHLOROMETHANE No < 0.43 ug/L 0.43 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077093 CIS-1,2-DICHLOROETHENE No < 0.27 ug/L 0.27 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034704 CIS-1,3-DICHLOROPROPENE No < 0.17 ug/L 0.17 ug/L2/24/2025 5:32:00 AMBP

EPA 8260032105 DIBROMOCHLOROMETHANE No < 0.45 ug/L 0.45 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077596 DIBROMOMETHANE No < 0.68 ug/L 0.68 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034423 DICHLOROMETHANE No < 1.7 ug/L 1.7 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034371 ETHYLBENZENE No < 0.30 ug/L 0.30 ug/L2/24/2025 5:32:00 AMBP

EPA 8260081595 METHYL ETHYL KETONE No < 6.7 ug/L 6.7 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077424 METHYL IODIDE No < 3.6 ug/L 3.6 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077128 STYRENE No < 0.26 ug/L 0.26 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034475 TETRACHLOROETHENE No < 0.38 ug/L 0.38 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034010 TOLUENE No < 0.33 ug/L 0.33 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034546 TRANS-1,2-DICHLOROETHENE No < 0.23 ug/L 0.23 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034699 TRANS-1,3-DICHLOROPROPENE No < 0.37 ug/L 0.37 ug/L2/24/2025 5:32:00 AMBP

EPA 8260039180 TRICHLOROETHENE No < 0.36 ug/L 0.36 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034488 TRICHLOROFLUOROMETHANE No < 0.72 ug/L 0.72 ug/L2/24/2025 5:32:00 AMBP

EPA 8260077057 VINYL ACETATE No < 1.8 ug/L 1.8 ug/L2/24/2025 5:32:00 AMBP

EPA 8260039175 VINYL CHLORIDE No < 0.39 ug/L 0.39 ug/L2/24/2025 5:32:00 AMBP

EPA 8260034020 XYLENES No < 2.1 ug/L 2.1 ug/L2/24/2025 5:32:00 AMBP

SM 2540C070300 TOTAL DISSOLVED SOLIDS No 332 mg/L 5.0 mg/L2/24/2025 5:30:00 AMBP

SM2580B046480 REDOX POTENTIAL (FIELD) No 75 mV mV2/19/2025 10:48:00 AMBP

* Attach Laboratory Reports 6

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/18/2025 1:14:00 PM

MW-2

44.85

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12803

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

DEP SOP082546 DEPTH TO WATER FROM MEASURE PT No 50.23 feet feet2/18/2025 1:22:00 PMBP

DEP SOP082545 GROUNDWATER ELEVATION No 44.85 feet feet2/18/2025 1:22:00 PMBP

EPA 120.1000094 CONDUCTIVITY (FIELD) No 558 umhos/cm umhos/cm2/18/2025 1:22:00 PMBP

EPA 150.1000406 pH (FIELD) No 6.23 Std. Units Std. Units2/18/2025 1:22:00 PMBP

EPA 170.1000010 TEMPERATURE (FIELD) No 26.0 deg C deg C2/18/2025 1:22:00 PMBP

EPA 180.1082078 TURBIDITY (FIELD) No 11.60 NTU NTU2/18/2025 1:22:00 PMBP

EPA 300.0000940 CHLORIDE No 4.5 I mg/L 2.5 mg/L3/2/2025 7:15:00 PMBP

EPA 350.1000610 AMMONIA NITROGEN No 0.11 mg/L 0.035 mg/L2/25/2025 12:52:00 PMBP

EPA 353.2000620 NITRATE NITROGEN No < 0.25 mg/L 0.25 mg/L2/19/2025 9:20:00 PMBP

EPA 360.1000299 DISSOLVED OXYGEN (FIELD) No 0.17 mg/L mg/L2/18/2025 1:22:00 PMBP

EPA 6010001007 BARIUM No 9.5 I ug/L 0.84 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001012 BERYLLIUM No < 0.17 ug/L 0.17 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001027 CADMIUM No < 0.33 ug/L 0.33 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001034 CHROMIUM No < 1.7 ug/L 1.7 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001037 COBALT No 7.6 I ug/L 0.96 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001042 COPPER No < 2.6 ug/L 2.6 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001045 IRON No 6270 ug/L 25.0 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001051 LEAD No < 2.1 ug/L 2.1 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001067 NICKEL No 2.9 I ug/L 1.0 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001147 SELENIUM No < 3.9 ug/L 3.9 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001077 SILVER No < 1.0 ug/L 1.0 ug/L3/4/2025 10:53:00 PMBP

EPA 6010000929 SODIUM No 5.3 mg/L 0.54 mg/L3/4/2025 10:53:00 PMBP

EPA 6010001087 VANADIUM No 1.2 I ug/L 1.0 ug/L3/4/2025 10:53:00 PMBP

EPA 6010001092 ZINC No < 11.0 ug/L 11.0 ug/L3/4/2025 10:53:00 PMBP

EPA 6020001097 ANTIMONY No < 0.50 ug/L 0.50 ug/L2/27/2025 2:43:00 PMBP

EPA 6020001002 ARSENIC No 4.8 ug/L 0.50 ug/L2/27/2025 2:43:00 PMBP

EPA 6020001059 THALLIUM No 0.16 I ug/L 0.11 ug/L2/27/2025 2:43:00 PMBP

EPA 7470071900 MERCURY No < 0.14 ug/L 0.14 ug/L3/10/2025 10:13:00 AMBP

EPA 8011049146 1,2-DIBROMO-3-CHLOROPROPANE No < 0.0067 ug/L 0.0067 ug/L2/27/2025 11:30:00 PMBP

EPA 8011077651 1,2-DIBROMOETHANE (EDB) No < 0.0078 ug/L 0.0078 ug/L2/27/2025 11:30:00 PMBP

EPA 8260049263 (E)-1,4-DICHLORO-2-BUTENE No < 2.5 ug/L 2.5 ug/L2/20/2025 5:44:00 AMBP

EPA 8260077562 1,1,1,2-TETRACHLOROETHANE No < 0.32 ug/L 0.32 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034506 1,1,1-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034516 1,1,2,2-TETRACHLOROETHANE No < 0.59 ug/L 0.59 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034511 1,1,2-TRICHLOROETHANE No < 0.30 ug/L 0.30 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034496 1,1-DICHLOROETHANE No < 0.34 ug/L 0.34 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034501 1,1-DICHLOROETHENE No < 0.59 ug/L 0.59 ug/L2/20/2025 5:44:00 AMBP

EPA 8260077443 1,2,3-TRICHLOROPROPANE No < 0.53 ug/L 0.53 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034536 1,2-DICHLOROBENZENE No < 0.60 ug/L 0.60 ug/L2/20/2025 5:44:00 AMBP

* Attach Laboratory Reports 7

FIELD

FILTERED

STORET

CODE

PARAMETER MONITORED ANALYSIS

RESULT *

UNITS DETECTION

LIMIT/UNITS

ANALYSIS

DATE/TIME

SAMPLING

METHOD

Facility WACS #:

Well Name:

Classification of Ground Water:

Sampling Date/Time:

Report Period:

Well Purged:

Well Type:

2/18/2025 1:14:00 PM

MW-2

44.85

G II

Ground Water Elevation (NGVD):

Test Site ID #:

[X]

YES12803

PART III Analytical Results

20906

Assessment

Compliance

Other

Detection

Background

Parameter Monitoring Report Marion County Baseline Landfill

FIRST SEMIANNUAL 2025

[ ] Intermediate [ ] Water Supply [ ] Piezometer [ ] Leachate

Surface Water[ ]

EPA 8260034531 1,2-DICHLOROETHANE No < 0.27 ug/L 0.27 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034541 1,2-DICHLOROPROPANE No < 0.23 ug/L 0.23 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034571 1,4-DICHLOROBENZENE No 1.3 ug/L 0.28 ug/L2/20/2025 5:44:00 AMBP

EPA 8260077103 2-HEXANONE No < 6.6 ug/L 6.6 ug/L2/20/2025 5:44:00 AMBP

EPA 8260078133 4-METHYL-2-PENTANONE No < 7.5 ug/L 7.5 ug/L2/20/2025 5:44:00 AMBP

EPA 8260081552 ACETONE No < 8.7 ug/L 8.7 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034215 ACRYLONITRILE No < 3.7 ug/L 3.7 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034030 BENZENE No < 0.30 ug/L 0.30 ug/L2/20/2025 5:44:00 AMBP

EPA 8260073085 BROMOCHLOROMETHANE No < 0.37 ug/L 0.37 ug/L2/20/2025 5:44:00 AMBP

EPA 8260032101 BROMODICHLOROMETHANE No < 0.19 ug/L 0.19 ug/L2/20/2025 5:44:00 AMBP

EPA 8260032104 BROMOFORM No < 0.48 ug/L 0.48 ug/L2/20/2025 5:44:00 AMBP

EPA 8260034413 BROMOMETHANE No < 3.9 ug/L 3.9 ug/L2/20/2025 5:44:00 AMBP

EPA…

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