LOOF_2024_Annual_Report_Part4.pdf

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Remedial Action Operations Support at Aberdeen Proving Ground 2026
Solicitation number
AU-2026-0000952
Issued by
Alabama

About this file

This file is an annual report from a laboratory testing facility (LOOF) documenting standard reference toxicant testing results and organism history for environmental testing protocols. The document details chronic reference tests performed on two aquatic species commonly used in toxicity assessments: Pimephales promelas (Fathead minnow) and Ceriodaphnia dubia (water flea). The Fathead minnow chronic reference test was conducted from November 26, 2024 to December 3, 2024, yielding a Survival LC-50 of 2,592 mg/l and Growth IC-25 of 1,723 mg/l with a PMSD of 12.7. The Ceriodaphnia dubia chronic reference test was performed from November 12, 2024 to November 18, 2024, producing a Survival LC-50 of 1,789 mg/l and Reproduction IC-25 of 795.2 mg/l with a PMSD of 25.3. Both tests utilized sodium chloride in synthetic moderately hard water as the reference toxicant standard.

The document also contains extensive organism history records for both test species, documenting detailed information about individual organisms used in testing protocols, including acquisition dates, ages, and laboratory identification codes. The remainder of the report consists of technical data tables and reference documentation related to organism maintenance and handling procedures. This annual report serves as documentation of the laboratory's quality assurance protocols and adherence to standard testing methodologies in environmental toxicology, which would be relevant to regulatory compliance for environmental remediation and water quality assessment activities.

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IV. Standard Reference Toxicants Sodium chloride in synthetic moderately hard water.

Pimephales promelas (Fathead minnow) A chronic reference test was performed on November 26, 2024 at 1451 to December 03, 2024 at 1332 The results were as follows: (Control No. 275337-1.)

Survival LC-50: 2592 mg/l Growth IC-25: 1723 mg/l Growth PMSD: 12.7

Ceriodaphnia dubia A chronic reference test was performed on November 12, 2024 at 1149 to November 18, 2024 at 1321 The results were as follows: (Control No. 275337-2.)

Survival LC-50: 1789 mg/l Reproduction IC-25: 795.2 mg/l Reproduction PMSD: 25.3

V. Organism History

Pimephales promelas (Fathead minnow) Date: December 10, 2024 Age: <24 hours Source: In-house culture Water: Moderately hard synthetic Temperature: 25 deg.C

Ceriodaphnia dubia Date: December 10, 2024 Age: <24 hours Source: In-house culture Water: Moderately hard synthetic Temperature: 25 deg.C

Page 7 of 42 12/26/2024

Larvae are exposed in a static renewal system for seven days to different concentrations of effluent with dilution water. Test results are based on the survival and growth (weight) of the larvae.

VI. Results Summary Pimephales promelas, Fathead minnow Larval Survival and Growth Test -- Method 1000.0

Effluent concentrations for this test were 10 %, 18 %, 32 %, 56 %, 100 % in accordance with the NPDES permit.

The test was initiated on December 10, 2024 at 1438 and continued through December 17, 2024 at 1422.

Statistical analyses were performed on the observed data and the no observable effects concentrations (NOECs) were as follows:

a.) NOEC survival = 100 % effluent b.) NOEC growth = 100 % effluent

Summary of the 7-day Fathead Minnow Survival and Growth

Mean Growth (mg)Concentration Percent Survival 0.877Control 92.5

0.94210 % 97.5

0.96618 % 95.0

0.87532 % 77.5

1.0056 % 92.5

0.945100 % 90.0

10.00 18.00 32.00 56.00 100.00 Concentration (%)

S u rv iv a l

Page 8 of 42 12/26/2024

Neonates are exposed in a static renewal system to different concentrations of effluent with dilution water until 60% of surviving control organisms have three broods of offspring or a maximum of eight test days.

VI. Results Summary Ceriodaphnia dubia, Cladoceran Survival and Reproduction Test -- Method 1002.0

Effluent concentrations for this test were 10 %, 18 %, 32 %, 56 %, 100 % in accordance with the NPDES permit.

The test was initiated on December 10, 2024 at 1427 and continued through December 16, 2024 at 1354.

Statistical analyses were performed on the observed data and the no observable effects concentrations (NOECs) were as follows:

a.) NOEC survival = 100 % effluent b.) NOEC reproduction = 32 % effluent

Summary of the 6-day Ceriodaphnia dubia Survival and Reproduction Data

Concentration Mean ReproductionPercent Survival Control 31.5100 10 % 32.9100 18 % 32.6100 32 % 32.0100 56 % 27.0100 100 % 5.80100

10.00 18.00 32.00 56.00 100.00 Concentration (%)

S u rv iv a l

Page 9 of 42 12/26/2024

Concentration Replicate

Appendix (Data): Test 1000.0

Pimephales promelas (Fathead Minnow) 7-Day Survival

Date and Time Test Initiated:

Date and Time Test Terminated:

Number of Survivors Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7

December 10, 2024 at 1438 December 17, 2024 at 1422

Control A 10 10 10 10 10 10 10

B 10 10 10 10 10 10 10

C 10 10 10 9 8 8 8

D 10 10 9 9 9 9 9

10 % A 10 10 10 10 10 10 10

B 10 10 10 10 10 10 10

C 10 10 10 10 9 9 9

D 10 10 10 10 10 10 10

18 % A 9 9 9 9 9 9 9

B 10 10 10 9 9 9 9

C 10 10 10 10 10 10 10

D 10 10 10 10 10 10 10

32 % A 10 9 9 8 8 7 7

B 10 10 10 10 9 7 7

C 10 9 9 9 9 9 9

D 10 9 9 9 9 9 8

56 % A 10 10 10 10 10 10 10

B 10 10 8 8 8 8 8

C 10 10 10 10 10 10 10

D 10 10 10 10 9 9 9

100 % A 10 10 10 10 10 10 10

B 10 10 9 9 9 8 8

C 10 9 9 8 8 8 8

D 10 10 10 10 10 10 10

Page 10 of 42 12/26/2024

Concentration Replicate Weight of pan + fish

Total weight of fish (g)

Original # of fish

Mean dry weight (mg)

Appendix (Data): Test 1000.0

Pimephales promelas (Fathead Minnow) 7-Day Growth

Test Initiated:

Test Terminated:

Weight of pan

December 10, 2024 at 1438 December 17, 2024 at 1422

Control A .81499 .82509 0.01010 10 1.010

B .80884 .81782 0.00898 10 0.898

C .82317 .83089 0.00772 10 0.772

D .82290 .83117 0.00827 10 0.827

10 % A .82929 .83899 0.00970 10 0.970

B .83429 .84341 0.00912 10 0.912

C .81936 .82850 0.00914 10 0.914

D .82730 .83703 0.00973 10 0.973

18 % A .80645 .81539 0.00894 10 0.894

B .84085 .84883 0.00798 10 0.798

C .81081 .82170 0.01089 10 1.090

D .83745 .84825 0.01080 10 1.080

32 % A .80562 .81399 0.00837 10 0.837

B .80580 .81461 0.00881 10 0.881

C .80139 .81154 0.01015 10 1.020

D .80999 .81761 0.00762 10 0.762

56 % A .81632 .82690 0.01058 10 1.060

B .81595 .82440 0.00845 10 0.845

C .81452 .82489 0.01037 10 1.040

D .81527 .82585 0.01058 10 1.060

100 % A .80974 .81948 0.00974 10 0.974

B .81521 .82485 0.00964 10 0.964

C .82537 .83319 0.00782 10 0.782

D .82694 .83752 0.01058 10 1.060

Page 11 of 42 12/26/2024

Appendix (Data): Test 1002.0

Ceriodaphnia dubia Survival and Reproduction

Date and Time Test Initiated:

Date and Time Test Terminated:

December 10, 2024 at 1427 December 16, 2024 at 1354

Concentration: Control

Day No. of Adults

Young per Adult

No. of Young1 2 3 4 5 6 7 8 9 10

Replicate

1 0 0 0 0 0 0 0 0 0 0 0 10 0.00 2 0 0 0 0 0 0 0 0 0 0 0 10 0.00 3 6 3 4 3 0 5 4 4 3 4 36 10 3.60 4 14 1 0 1 2 1 0 0 0 11 30 10 3.00 5 0 11 12 11 0 15 13 12 12 0 86 10 8.60 6 18 21 16 18 11 16 17 15 15 16 163 10 16.3

TOTAL 38 36 32 33 13 37 34 31 30 31 315 10 31.5

Concentration: 10 %

Day No. of Adults

Young per Adult

No. of Young1 2 3 4 5 6 7 8 9 10

Replicate

1 0 0 0 0 0 0 0 0 0 0 0 10 0.00 2 0 0 0 0 0 0 0 0 0 0 0 10 0.00 3 5 6 4 5 3 3 4 3 4 3 40 10 4.00 4 11 0 1 0 2 0 0 11 0 0 25 10 2.50 5 0 12 13 12 14 14 12 0 11 11 99 10 9.90 6 17 19 15 16 17 20 17 15 16 13 165 10 16.5

TOTAL 33 37 33 33 36 37 33 29 31 27 329 10 32.9

Concentration: 18 %

Day No. of Adults

Young per Adult

No. of Young1 2 3 4 5 6 7 8 9 10

Replicate

1 0 0 0 0 0 0 0 0 0 0 0 10 0.00 2 0 0 0 0 0 0 0 0 0 0 0 10 0.00 3 5 3 7 3 3 5 3 3 3 4 39 10 3.90 4 11 0 0 0 0 0 0 0 11 11 33 10 3.30 5 0 11 12 13 13 14 11 13 0 1 88 10 8.80 6 20 15 16 16 17 18 16 17 17 14 166 10 16.6

TOTAL 36 29 35 32 33 37 30 33 31 30 326 10 32.6

Page 12 of 42 12/26/2024

Appendix (Data): Test 1002.0

Ceriodaphnia dubia Survival and Reproduction

Date and Time Test Initiated:

Date and Time Test Terminated:

December 10, 2024 at 1427 December 16, 2024 at 1354

Concentration: 32 %

Day No. of Adults

Young per Adult

No. of Young1 2 3 4 5 6 7 8 9 10

Replicate

1 0 0 0 0 0 0 0 0 0 0 0 10 0.00 2 0 0 0 0 0 0 0 0 0 0 0 10 0.00 3 4 3 4 5 4 5 3 5 4 5 42 10 4.20 4 13 0 1 0 1 0 0 0 0 0 15 10 1.50 5 0 13 12 14 11 15 12 11 11 9 108 10 10.8 6 16 18 14 16 14 16 14 16 15 16 155 10 15.5

TOTAL 33 34 31 35 30 36 29 32 30 30 320 10 32.0

Concentration: 56 %

Day No. of Adults

Young per Adult

No. of Young1 2 3 4 5 6 7 8 9 10

Replicate

1 0 0 0 0 0 0 0 0 0 0 0 10 0.00 2 0 0 0 0 0 0 0 0 0 0 0 10 0.00 3 4 3 5 4 5 3 4 3 3 4 38 10 3.80 4 10 0 1 0 6 8 0 0 0 0 25 10 2.50 5 7 8 11 12 5 0 10 11 8 11 83 10 8.30 6 15E 12 15 14 14 13 18 13 12 13 124 10 12.4

TOTAL 21 23 32 30 30 24 32 27 23 28 270 10 27.0

E = Excluded fourth brood neonates

Concentration: 100 %

Day No. of Adults

Young per Adult

No. of Young1 2 3 4 5 6 7 8 9 10

Replicate

1 0 0 0 0 0 0 0 0 0 0 0 10 0.00 2 0 0 0 0 0 0 0 0 0 0 0 10 0.00 3 3 0 0 3 0 3 0 0 0 0 9 10 0.900 4 0 0 0 0 3 0 0 0 0 0 3 10 0.300 5 7 0 0 2 0 0 5 0 0 3 17 10 1.70 6 6 0 0 6 2 3 6 0 2 4 29 10 2.90

TOTAL 16 0 0 11 5 6 11 0 2 7 58 10 5.80

Page 13 of 42 12/26/2024

Appendix (Reference Toxicant): Test 1000.0

Chronic Reference Toxicant, Pimephales promelas (Fathead Minnow)

LC50 Survival Data

Log(LC50) Average Log(LC50) Lower Limit Upper Limit

3.25

3.30

3.35

3.40

3.45

3.50

3.55

3.60

3.65

4/ 4/

5/ 2/

6/ 1/

7/

/2

8/ 1/

9/ 5/

/2

/2

/2

1/

1/ 4/

1/

/2

2/

/2

3/ 5/

4/ 2/

5/

/2

6/ 4/

7/ 2/

8/

/2

9/ 3/

/1

/2

/2

6/

L o g (L

C

IC25 Growth Data

Log(IC25) Average Log(IC25) Lower Limit Upper Limit

2.9

3.1

3.2

3.3

3.4

3.5

3.6

4/ 4/

5/ 2/

6/ 1/

7/

/2

8/ 1/

9/ 5/

/2

/2

/2

1/

1/ 4/

1/

/2

2/

/2

3/ 5/

4/ 2/

5/

/2

6/ 4/

7/ 2/

8/

/2

9/ 3/

/1

/2

/2

6/

L o g (I

C

Page 14 of 42 12/26/2024

Appendix (Reference Toxicant): Test 1002.0

Chronic Reference Toxicant, Ceriodaphnia dubia

3.18

3.20

3.22

3.24

3.26

3.28

3.30

3.32

5/ 2/

6/ 1/

7/

/2

8/ 1/

9/

/2

/3

/2

/2

1/

/1

9/

1/ 4/

2/

/2

2/

/2

3/ 5/

4/ 2/

5/ 2/

6/ 4/

7/ 2/

8/

/2

9/ 3/

/1

/2

/1

2/

LC50 Survival Data

Log(LC50) Average Log(LC50) Lower Limit Upper Limit

L o g (L

C

2.84

2.88

2.92

2.96

3.04

3.08

3.12

3.16

3.20

5/ 2/

6/ 1/

7/

/2

8/ 1/

9/

/2

/3

/2

/2

1/

/1

9/

1/ 4/

2/

/2

2/

/2

3/ 5/

4/ 2/

5/ 2/

6/ 4/

7/ 2/

8/

/2

9/ 3/

/1

/2

/1

2/

IC25 Reproduction Data

Log(IC25) Average Log(IC25) Lower Limit Upper Limit

L o g (I

C

Page 15 of 42 12/26/2024

SUMMARY REPORTING FORMS

CHRONIC BIOMONITORING

Pimephales promelas (Fathead Minnow)

SURVIVAL AND GROWTH

Appendix (Summary): Test 1000.0

Dilution water used:

Date and Time Test Terminated: December 17, 2024 at 1422 Date and Time Test Initiated: December 10, 2024 at 1438

NPDES No.: NA

Permittee: ECC

DATA TABLE FOR SURVIVAL

Percent Survival in replicate chambers

Mean percent survivalEffluent

Conc. % A B C D 24 hr 48 hr 7 days CV% Control 100 100 80.0 90.0 100 100 92.5 10.4 10 % 100 100 90.0 100 100 100 97.5 5.13 18 % 90.0 90.0 100 100 97.5 97.5 95.0 6.08 32 % 70.0 70.0 90.0 80.0 100 92.5 77.5 12.4 56 % 100 80.0 100 90.0 100 100 92.5 10.4 100 % 100 80.0 80.0 100 100 97.5 90.0 12.8

DATA TABLE FOR GROWTH

Effluent Average dry weight, mg replicate chambers Mean dry Conc. % A B C D weight, mg CV% Control 1.010 0.898 0.772 0.827 0.877 11.7 10 % 0.970 0.912 0.914 0.973 0.942 3.59 18 % 0.894 0.798 1.090 1.080 0.966 14.9 32 % 0.837 0.881 1.020 0.762 0.875 12.4 56 % 1.060 0.845 1.040 1.060 1.00 10.4 100 % 0.974 0.964 0.782 1.060 0.945 12.4

CV = Coefficient of variation = standard deviation * 100 / mean

Page 16 of 42 12/26/2024

Appendix (Summary): Test 1000.0

CHRONIC TOXICITY SUMMARY FORM

Pimephales promelas (Fathead minnow)

CHEMICAL PARAMETERS CHART

PERMITTEE:

NPDES NO.:

CONTACT:

ANALYST:

Test Initiated: DATE:

Test Terminated: DATE:

TIME:

TIME:NA

GCX6, V6YL, B6YF, QGL9, WK7B

December 10, 2024 1438ECC

Helen Cavanagh

December 17, 2024 1422

DILUTION DAY DILUTION DAY

1 2 3 4 5 6 7 1 2 3 4 5 6 7 Control 10 %

D.O. Initial 8.9 9.0 8.8 8.9 8.9 9.0 8.8 D.O. Initial 8.9 8.9 9.0 9.0 8.8 8.9 8.8 Final 7.4 6.7 7.1 6.7 6.0 6.9 NA Final 7.2 6.6 7.1 6.6 6.3 7.2 NA pH Initial 8.0 7.8 6.8 7.5 7.9 7.8 8.0 pH Initial 8.0 7.8 7.2 7.7 8.0 7.9 8.0 Final 7.9 7.6 7.7 7.4 7.2 7.3 NA Final 7.6 7.5 7.6 7.4 7.3 7.4 NA

DILUTION DAY DILUTION DAY

1 2 3 4 5 6 7 1 2 3 4 5 6 7 18 % 32 %

D.O. Initial 8.9 9.4 9.0 9.0 8.8 8.9 8.8 D.O. Initial 9.2 9.2 9.1 9.1 8.9 8.9 8.8 Final 7.3 6.7 7.3 7.6 7.1 7.3 NA Final 7.5 6.9 7.2 7.2 6.5 7.6 7.6 pH Initial 8.0 8.0 7.3 7.8 8.0 7.9 8.0 pH Initial 8.0 7.9 7.5 7.9 8.0 7.9 8.0 Final 7.6 7.5 7.6 7.6 7.4 7.5 NA Final 7.6 7.5 7.6 7.5 7.4 7.5 7.8

DILUTION DAY DILUTION DAY

1 2 3 4 5 6 7 1 2 3 4 5 6 7 56 % 100 %

D.O. Initial 9.0 9.4 9.3 9.2 8.9 8.9 8.7 D.O. Initial 9.1 9.4 9.6 9.3 9.2 9.1 9.3 Final 7.5 6.9 7.2 7.2 6.4 7.5 7.6 Final 7.8 7.4 7.3 7.2 6.8 7.8 7.8 pH Initial 8.0 7.9 7.6 7.8 8.0 7.9 8.0 pH Initial 7.9 7.8 7.7 7.9 7.9 7.8 7.9 Final 7.6 7.5 7.6 7.6 7.3 7.5 7.7 Final 7.6 7.5 7.6 7.5 7.4 7.6 7.6

Alkalinity Hardness Conductivity Chlorine Sample ID

59 510 4300 <0.05 OF-EFF-120924 09-DEC-24

64 640 4500 <0.05 OF-EFF-121124 11-DEC-24

64 620 4700 <0.05 OF-EFF-121324 13-DEC-24

Alkalinity Hardness Conductivity Chlorine Sample ID 62 85 290 <0.05 192-16991-A-4 64 97 300 <0.05 192-17230-A-1

Page 17 of 42 12/26/2024

SUMMARY REPORTING FORMS

CHRONIC BIOMONITORING

Ceriodaphnia dubia

SURVIVAL AND REPRODUCTION

Appendix (Summary): Test 1002.0

Dilution water used:

Date and Time Test Terminated: December 16, 2024 at 1354 Date and Time Test Initiated: December 10, 2024 at 1427

NPDES No.: NA

Permittee: ECC

PERCENT SURVIVAL

Percent Effluent Time of Reading Control 18 % 32 % 56 % 100 %10 % 24 hour 100 100 100 100 100100 48 hour 100 100 100 100 100100 6 day 100 100 100 100 100100

NUMBER OF YOUNG PRODUCED PER FEMALE @ 6 DAYS

Percent Effluent Replicates Control 18 % 32 % 56 % 100 %10 % A 38 36 33 21 1633 B 36 29 34 23 037 C 32 35 31 32 033 D 33 32 35 30 1133 E 13 33 30 30 536 F 37 37 36 24 637 G 34 30 29 32 1133 H 31 33 32 27 029 I 30 31 30 23 231 J 31 30 30 28 727 Mean per Adult 31.5 32.6 32.0 27.0 5.8032.9 Mean per Surviving Adult 31.5 32.6 32.0 27.0 5.8032.9

CV % 22.4 8.33 7.51 14.9 95.49.97

CV = Coefficient of variation = standard deviation * 100 / mean (calculated based on young produced by surviving females)

Page 18 of 42 12/26/2024

Appendix (Summary): Test 1002.0

CHRONIC TOXICITY SUMMARY FORM

Ceriodaphnia dubia

CHEMICAL PARAMETERS CHART

PERMITTEE:

NPDES NO.:

CONTACT:

ANALYST:

Test Initiated: DATE:

Test Terminated: DATE:

GCX6, V6YL, B6YF, QGL9, WK7B

NA

TIME:

TIME:

1427ECC

Helen Cavanagh

December 16, 2024 1354

December 10, 2024

Control 10 %

DILUTION DAY DILUTION DAY

1 2 3 4 5 6 7 1 2 3 4 5 6 7 D.O. Initial D.O. Initial 8.9 8.9 9.0 9.0 8.8 8.9 8.88.9 9.0 8.8 8.9 8.9 9.0 8.8 Final Final 9.0 8.8 9.0 8.7 8.9 9.0 --9.0 8.8 9.0 8.7 8.8 9.0 --pH Initial pH Initial 8.0 7.8 7.2 7.7 8.0 7.9 8.08.0 7.8 6.8 7.5 7.9 7.8 8.0 Final Final 8.0 7.3 7.4 7.2 8.2 7.8 --8.0 7.2 7.1 6.9 8.2 7.0 --

18 % 32 %

DILUTION DAY DILUTION DAY

1 2 3 4 5 6 7 1 2 3 4 5 6 7 D.O. Initial D.O. Initial 9.2 9.2 9.1 9.1 8.9 8.9 8.88.9 9.4 9.0 9.0 8.8 8.9 8.8 Final Final 9.0 8.8 9.2 8.7 8.9 9.1 --9.0 8.8 9.0 8.7 8.9 8.9 --pH Initial pH Initial 8.0 7.9 7.5 7.9 8.0 7.9 8.08.0 8.0 7.3 7.8 8.0 7.9 8.0 Final Final 8.1 7.6 8.0 7.7 8.2 8.2 --8.1 7.4 7.6 7.4 8.2 8.0 --

56 % 100 %

DILUTION DAY DILUTION DAY

1 2 3 4 5 6 7 1 2 3 4 5 6 7 D.O. Initial D.O. Initial 9.1 9.4 9.6 9.3 9.2 9.1 9.39.0 9.4 9.3 9.2 8.9 8.9 8.7 Final Final 9.0 8.8 9.0 8.8 8.9 9.0 --9.0 8.8 9.1 8.7 8.8 9.0 --pH Initial pH Initial 7.9 7.8 7.7 7.9 7.9 7.8 7.98.0 7.9 7.6 7.8 8.0 7.9 8.0 Final Final 8.1 8.0 8.2 8.0 8.2 8.3 --8.1 7.8 8.1 8.0 8.2 8.3 --

Alkalinity Hardness Conductivity Chlorine Sample ID

59 510 4300 <0.05 OF-EFF-120924 09-DEC-24

64 640 4500 <0.05 OF-EFF-121124 11-DEC-24

64 620 4700 <0.05 OF-EFF-121324 13-DEC-24

Alkalinity Hardness Conductivity Chlorine Sample ID 62 85 290 <0.05 192-16991-A-4 64 97 300 <0.05 192-17230-A-1

Page 19 of 42 12/26/2024

CETIS Summary Report Report Date: 20 Dec-24 09:13 (p 1 of 2)

Test Code/ID: 275382_CD / 17-7913-6292

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Batch ID: 16-2952-0010

Start Date: 10 Dec-24 14:27

Ending Date: 16 Dec-24 13:54

Test Type: Reproduction-Survival (7d)

Test Length: 5d 23h

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Ceriodaphnia dubia

Source: In-House Culture

Analyst:

Age: <24Taxon: Branchiopoda

Sample ID: 04-5552-4945

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Multiple Comparison Summary

NOEL LOEL TOELEndpointAnalysis ID Comparison Method PMSD✓ STU

100 >100 ---08-1067-3358 ---6d Survival Rate 1Fisher Exact/Bonferroni-Holm Test 1

32 56 42.3300-5155-7244 14.6%Reproduction 3.1Steel Many-One Rank Sum Test 1

95% LCL 95% UCL

Point Estimate Summary

EndpointAnalysis ID Point Estimate Method %Level✓ STU

LC50 >100 --- ---19-6819-5201 <1Linear Interpolation (ICPIN)6d Survival Rate 1

IC25 61.71 54.88 66.0101-8584-7522 1.6Linear Interpolation (ICPIN)Reproduction 1

Test Acceptability

Attribute Test Stat DecisionAnalysis ID Endpoint Lower OverlapUpper

TAC Limits

31.500-5155-7244 15Control RespReproduction Yes Passes Criteria<<

31.501-8584-7522 15Control RespReproduction Yes Passes Criteria<<

0.145600-5155-7244 0.13PMSDReproduction Yes Passes Criteria0.47

Code Mean Min Max Std DevCount CV%Std ErrConc-%

6d Survival Rate Summary

95% LCL 95% UCL %Effect

0 1.0000 1.0000 1.0000 0.000010 0.00%0.00001.0000 1.0000 0.00%D

10 1.0000 1.0000 1.0000 0.000010 0.00%0.00001.0000 1.0000 0.00%

18 1.0000 1.0000 1.0000 0.000010 0.00%0.00001.0000 1.0000 0.00%

32 1.0000 1.0000 1.0000 0.000010 0.00%0.00001.0000 1.0000 0.00%

56 1.0000 1.0000 1.0000 0.000010 0.00%0.00001.0000 1.0000 0.00%

100 1.0000 1.0000 1.0000 0.000010 0.00%0.00001.0000 1.0000 0.00%

Code Mean Min Max Std DevCount CV%Std ErrConc-%

Reproduction Summary

95% LCL 95% UCL %Effect

0 31.5 13 38 7.04410 22.36%2.22726.46 36.54 0.00%D

10 32.9 27 37 3.28110 9.97%1.03830.55 35.25 -4.44%

18 32.6 29 37 2.71610 8.33%0.858930.66 34.54 -3.49%

32 32 29 36 2.40410 7.51%0.760130.28 33.72 -1.59%

56 27 21 32 4.02810 14.92%1.27424.12 29.88 14.29%

100 5.8 0 16 5.53410 95.41%1.751.841 9.759 81.59%

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 20 of 42 12/26/2024

CETIS Summary Report Report Date: 20 Dec-24 09:13 (p 2 of 2)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

CodeConc-%

6d Survival Rate Detail

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

9B9D24B8DF1F6A22FE98189F611BDCA8MD5:

0 D 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

10 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

18 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

32 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

56 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

100 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

CodeConc-%

Reproduction Detail

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

B6805D4188EB3F0949F7DCC96921DE0DMD5:

0 D 38 36 32 33 13 37 34 31 30 31

10 33 37 33 33 36 37 33 29 31 27

18 36 29 35 32 33 37 30 33 31 30

32 33 34 31 35 30 36 29 32 30 30

56 21 23 32 30 30 24 32 27 23 28

100 16 0 0 11 5 6 11 0 2 7

CodeConc-%

6d Survival Rate Binomials

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

10 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

18 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

32 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

56 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

100 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 21 of 42 12/26/2024

Report Date: 20 Dec-24 09:12 (p 1 of 2)CETIS Analytical Report

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:08 Endpoint: Reproduction CETIS Version: CETISv2.1.4Analysis ID: 00-5155-7244

Analysis: Nonparametric-Control vs Treatments Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: B6805D4188EB3F0949F7DCC96921DE0D Editor ID: 005-847-680-2

Sample ID: 04-5552-4945

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 16-2952-0010

Start Date: 10 Dec-24 14:27

Ending Date: 16 Dec-24 13:54

Test Type: Reproduction-Survival (7d)

Test Length: 5d 23h

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Ceriodaphnia dubia

Source: In-House Culture

Analyst:

Age: <24Taxon: Branchiopoda

Test Stat Critical P-Value Decision(α:5%)TiesvsControl Conc-%

Steel Many-One Rank Sum Test

P-Typedf

106.5 75 4 0.8650 Non-Significant Effect10Dilution Water 18 CDF

100.5 75 6 0.7129 Non-Significant Effect18 18 CDF

94.5 75 6 0.5100 Non-Significant Effect32 18 CDF

73 75 2 0.0318 Significant Effect56* 18 CDF

56 75 0 0.0005 Significant Effect100* 18 CDF

NOEL LOEL Tox UnitsTOELAlt HypData Transform PMSDMSDu

32 56 14.56%3.142.33C > TUntransformed 4.586

Attribute Test Stat Decision

Test Acceptability Criteria

Lower OverlapUpper

TAC Limits

15Control Resp Yes Passes Criteria31.5 <<

0.13PMSD Yes Passes Criteria0.1456 0.47

ANOVA Table

Source Sum Squares Mean Square DF F Stat P-Value Decision(α:5%)

Between 5608.53 1121.71 5 55.91 <1.0E-05 Significant Effect

Error 1083.4 20.063 54

6691.93 59Total

ANOVA Assumptions Tests

Attribute Test Test Stat Critical P-Value Decision(α:1%)

15.11 15.09 0.0099 Unequal VariancesBartlett Equality of Variance TestVariance

0.9218 0.9459 0.0009 Non-Normal DistributionShapiro-Wilk W Normality TestDistribution

Mean Min MaxMedianCountCode Std ErrConc-% CV% %Effect95% LCL 95% UCL

Reproduction Summary

31.5 13 3832.50 10 2.227 22.36%26.46 36.54D 0.00%

32.9 27 373310 10 1.038 9.97%30.55 35.25 -4.44%

32.6 29 3732.6718 10 0.8589 8.33%30.66 34.54 -3.49%

32 29 3631.532 10 0.7601 7.51%30.28 33.72 -1.59%

27 21 3227.556 10 1.274 14.92%24.12 29.88 14.29%

5.8 0 165.5100 10 1.75 95.41%1.841 9.759 81.59%

CodeConc-%

Reproduction Detail

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 38 36 32 33 13 37 34 31 30 31

10 33 37 33 33 36 37 33 29 31 27

18 36 29 35 32 33 37 30 33 31 30

32 33 34 31 35 30 36 29 32 30 30

56 21 23 32 30 30 24 32 27 23 28

100 16 0 0 11 5 6 11 0 2 7

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 22 of 42 12/26/2024

Report Date: 20 Dec-24 09:12 (p 2 of 2)CETIS Analytical Report

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:08 Endpoint: Reproduction CETIS Version: CETISv2.1.4Analysis ID: 00-5155-7244

Analysis: Nonparametric-Control vs Treatments Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: B6805D4188EB3F0949F7DCC96921DE0D Editor ID: 005-847-680-2

Graphics

Conc-%

0 D 10 18 32 56 100

R ep ro d u ct io n

Rankits

2.01.51.00.50.0-0.5-1.0-1.5-2.0 U n tr an s fo rm e d

-5

-10

-15

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 23 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:12 (p 1 of 4)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:07 Endpoint: 6d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 19-6819-5201

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: 9B9D24B8DF1F6A22FE98189F611BDCA8 Editor ID: 005-847-680-2

X Transform Y Transform Resamples Exp 95% CL

Linear Interpolation Options

MethodSeed

Linear Linear 1000 Yes Two-Point Interpolation1603763

Sample ID: 04-5552-4945

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 16-2952-0010

Start Date: 10 Dec-24 14:27

Ending Date: 16 Dec-24 13:54

Test Type: Reproduction-Survival (7d)

Test Length: 5d 23h

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Ceriodaphnia dubia

Source: In-House Culture

Analyst:

Age: <24Taxon: Branchiopoda

Point Estimates

Level 95% LCL 95% UCL% Tox Units 95% LCL 95% UCL

LC50 >100 --- --- <1 --- ---

Mean Min MaxCountCode ΣA/ΣB

Calculated Variate(A/B)

Conc-% CV% %Effect

6d Survival Rate Summary

Mean %Effect

Isotonic Variate

Median

1.0000 10/101.0000 1.00000 10D 0.00%0.00% 1.0000 0.00%1.0000

1.0000 10/101.0000 1.000010 10 0.00%0.00% 1.0000 0.00%1.0000

1.0000 10/101.0000 1.000018 10 0.00%0.00% 1.0000 0.00%1.0000

1.0000 10/101.0000 1.000032 10 0.00%0.00% 1.0000 0.00%1.0000

1.0000 10/101.0000 1.000056 10 0.00%0.00% 1.0000 0.00%1.0000

1.0000 10/101.0000 1.0000100 10 0.00%0.00% 1.0000 0.00%1.0000

CodeConc-%

6d Survival Rate Detail

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

10 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

18 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

32 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

56 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

100 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

CodeConc-%

6d Survival Rate Binomials

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

10 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

18 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

32 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

56 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

100 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 24 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:12 (p 2 of 4)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:07 Endpoint: 6d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 19-6819-5201

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: 9B9D24B8DF1F6A22FE98189F611BDCA8 Editor ID: 005-847-680-2

Graphics

Conc-%

1009080706050403020100

6d S u rv iv al

R a te

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 25 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:12 (p 3 of 4)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:07 Endpoint: Reproduction CETIS Version: CETISv2.1.4Analysis ID: 01-8584-7522

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: B6805D4188EB3F0949F7DCC96921DE0D Editor ID: 005-847-680-2

X Transform Y Transform Resamples Exp 95% CL

Linear Interpolation Options

MethodSeed

Linear Linear 1000 Yes Two-Point Interpolation772452

Attribute Test Stat Decision

Test Acceptability Criteria

Lower OverlapUpper

TAC Limits

15Control Resp Yes Passes Criteria31.5 <<

Sample ID: 04-5552-4945

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 16-2952-0010

Start Date: 10 Dec-24 14:27

Ending Date: 16 Dec-24 13:54

Test Type: Reproduction-Survival (7d)

Test Length: 5d 23h

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Ceriodaphnia dubia

Source: In-House Culture

Analyst:

Age: <24Taxon: Branchiopoda

Point Estimates

Level 95% LCL 95% UCL% Tox Units 95% LCL 95% UCL

IC25 61.71 54.88 66.01 1.6 1.5 1.8

Mean Min MaxCountCode

Calculated Variate

Conc-% CV% %Effect

Reproduction Summary

Mean %Effect

Isotonic Variate

Median

31.5 13 380 10D 0.00%22.36% 32.33 0.00%32.5

32.9 27 3710 10 -4.44%9.97% 32.33 0.00%33

32.6 29 3718 10 -3.49%8.33% 32.33 0.00%32.67

32 29 3632 10 -1.59%7.51% 32 1.02%31.5

27 21 3256 10 14.29%14.92% 27 16.49%27.5

5.8 0 16100 10 81.59%95.41% 5.8 82.06%5.5

CodeConc-%

Reproduction Detail

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 38 36 32 33 13 37 34 31 30 31

10 33 37 33 33 36 37 33 29 31 27

18 36 29 35 32 33 37 30 33 31 30

32 33 34 31 35 30 36 29 32 30 30

56 21 23 32 30 30 24 32 27 23 28

100 16 0 0 11 5 6 11 0 2 7

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 26 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:12 (p 4 of 4)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:07 Endpoint: Reproduction CETIS Version: CETISv2.1.4Analysis ID: 01-8584-7522

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: B6805D4188EB3F0949F7DCC96921DE0D Editor ID: 005-847-680-2

Graphics

Conc-%

1009080706050403020100

R ep ro d u ct io n

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 27 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:13 (p 1 of 2)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:07 Endpoint: 6d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 08-1067-3358

Analysis: STP 2xK Contingency Tables Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: 9B9D24B8DF1F6A22FE98189F611BDCA8 Editor ID: 005-847-680-2

Sample ID: 04-5552-4945

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 16-2952-0010

Start Date: 10 Dec-24 14:27

Ending Date: 16 Dec-24 13:54

Test Type: Reproduction-Survival (7d)

Test Length: 5d 23h

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Ceriodaphnia dubia

Source: In-House Culture

Analyst:

Age: <24Taxon: Branchiopoda

NOEL LOEL Tox UnitsTOELAlt HypData Transform

100 >100 1---C > TUntransformed

Test Stat P-Value Decision(α:5%)vsControl Conc-%

Fisher Exact/Bonferroni-Holm Test

P-Type

1.0000 1.0000 Non-Significant Effect10Dilution Water Exact

1.0000 1.0000 Non-Significant Effect18 Exact

1.0000 1.0000 Non-Significant Effect32 Exact

1.0000 1.0000 Non-Significant Effect56 Exact

1.0000 1.0000 Non-Significant Effect100 Exact

RNR NR + RCodeConc-% Prop NR Prop R %Effect

6d Survival Rate Frequencies

010 100 1.0000 0.0000 0.00%D

010 1010 1.0000 0.0000 0.00%

010 1018 1.0000 0.0000 0.00%

010 1032 1.0000 0.0000 0.00%

010 1056 1.0000 0.0000 0.00%

010 10100 1.0000 0.0000 0.00%

Mean Min MaxMedianCountCode Std ErrConc-% CV% %Effect95% LCL 95% UCL

6d Survival Rate Summary

1.0000 1.0000 1.00001.00000 10 0.0000 0.00%1.0000 1.0000D 0.00%

1.0000 1.0000 1.00001.000010 10 0.0000 0.00%1.0000 1.0000 0.00%

1.0000 1.0000 1.00001.000018 10 0.0000 0.00%1.0000 1.0000 0.00%

1.0000 1.0000 1.00001.000032 10 0.0000 0.00%1.0000 1.0000 0.00%

1.0000 1.0000 1.00001.000056 10 0.0000 0.00%1.0000 1.0000 0.00%

1.0000 1.0000 1.00001.0000100 10 0.0000 0.00%1.0000 1.0000 0.00%

CodeConc-%

6d Survival Rate Detail

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

10 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

18 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

32 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

56 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

100 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000 1.0000

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 28 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:13 (p 2 of 2)

Ceriodaphnia 7-d Survival and Reproduction Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:07 Endpoint: 6d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 08-1067-3358

Analysis: STP 2xK Contingency Tables Status Level: 1

Edit Date: 20 Dec-24 9:00 MD5 Hash: 9B9D24B8DF1F6A22FE98189F611BDCA8 Editor ID: 005-847-680-2

CodeConc-%

6d Survival Rate Binomials

Rep 1 Rep 2 Rep 3 Rep 4 Rep 5 Rep 6 Rep 7 Rep 8 Rep 9 Rep 10

0 D 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

10 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

18 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

32 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

56 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

100 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1 1/1

Graphics

Conc-%

0 D 10 18 32 56 100

6d S u rv iv a l R at e

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 29 of 42 12/26/2024

CETIS Summary Report Report Date: 20 Dec-24 09:20 (p 1 of 2)

Test Code/ID: 275382_FH / 16-6670-6228

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Batch ID: 03-5808-5145

Start Date: 10 Dec-24 14:38

Ending Date: 17 Dec-24 14:22

Test Type: Growth-Survival (7d)

Test Length: 7d

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Pimephales promelas

Source: Aquatox, AR

Analyst:

Age: <24Taxon: Actinopterygii

Sample ID: 03-0360-7599

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Multiple Comparison Summary

NOEL LOEL TOELEndpointAnalysis ID Comparison Method PMSD✓ STU

100 >100 ---15-6741-2524 16.8%7d Survival Rate 1Dunnett Multiple Comparison Test 1

100 >100 ---12-8233-3499 20.6%Mean Dry Biomass-mg 1Dunnett Multiple Comparison Test 1

95% LCL 95% UCL

Point Estimate Summary

EndpointAnalysis ID Point Estimate Method %Level✓ STU

LC50 >100 --- ---09-3057-6616 <1Linear Interpolation (ICPIN)7d Survival Rate 1

IC25 >100 --- ---11-7234-9997 <1Linear Interpolation (ICPIN)Mean Dry Biomass-mg 1

Test Acceptability

Attribute Test Stat DecisionAnalysis ID Endpoint Lower OverlapUpper

TAC Limits

0.92509-3057-6616 0.8Control Resp7d Survival Rate Yes Passes Criteria<<

0.92515-6741-2524 0.8Control Resp7d Survival Rate Yes Passes Criteria<<

0.876811-7234-9997 0.25Control RespMean Dry Biomass-mg Yes Passes Criteria<<

0.876812-8233-3499 0.25Control RespMean Dry Biomass-mg Yes Passes Criteria<<

0.206212-8233-3499 0.12PMSDMean Dry Biomass-mg Yes Passes Criteria0.3

Code Mean Min Max Std DevCount CV%Std ErrConc-%

7d Survival Rate Summary

95% LCL 95% UCL %Effect

0 0.9250 0.8000 1.0000 0.09574 10.35%0.04790.7727 1.0770 0.00%D

10 0.9750 0.9000 1.0000 0.05004 5.13%0.02500.8954 1.0550 -5.41%

18 0.9500 0.9000 1.0000 0.05774 6.08%0.02890.8581 1.0420 -2.70%

32 0.7750 0.7000 0.9000 0.09574 12.35%0.04790.6227 0.9273 16.22%

56 0.9250 0.8000 1.0000 0.09574 10.35%0.04790.7727 1.0770 0.00%

100 0.9000 0.8000 1.0000 0.11554 12.83%0.05770.7163 1.0840 2.70%

Code Mean Min Max Std DevCount CV%Std ErrConc-%

Mean Dry Biomass-mg Summary

95% LCL 95% UCL %Effect

0 0.8768 0.772 1.01 0.10274 11.72%0.051360.7133 1.04 0.00%D

10 0.9423 0.912 0.973 0.033814 3.59%0.01690.8885 0.996 -7.47%

18 0.9653 0.798 1.089 0.14324 14.84%0.071610.7374 1.193 -10.09%

32 0.8737 0.762 1.015 0.10624 12.16%0.053110.7047 1.043 0.34%

56 0.9995 0.845 1.058 0.10354 10.35%0.051740.8349 1.164 -14.00%

100 0.9445 0.782 1.058 0.11624 12.31%0.058120.7595 1.129 -7.73%

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 30 of 42 12/26/2024

CETIS Summary Report Report Date: 20 Dec-24 09:20 (p 2 of 2)

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

CodeConc-%

7d Survival Rate Detail

Rep 1 Rep 2 Rep 3 Rep 4

912BD8D95CC10354DF93A88D67663821MD5:

0 D 1.0000 1.0000 0.8000 0.9000

10 1.0000 1.0000 0.9000 1.0000

18 0.9000 0.9000 1.0000 1.0000

32 0.7000 0.7000 0.9000 0.8000

56 1.0000 0.8000 1.0000 0.9000

100 1.0000 0.8000 0.8000 1.0000

CodeConc-%

Mean Dry Biomass-mg Detail

Rep 1 Rep 2 Rep 3 Rep 4

2C4C422DAA2BD563CBE3470B6A7A1A07MD5:

0 D 1.01 0.898 0.772 0.827

10 0.97 0.912 0.914 0.973

18 0.894 0.798 1.089 1.08

32 0.837 0.881 1.015 0.762

56 1.058 0.845 1.037 1.058

100 0.974 0.964 0.782 1.058

CodeConc-%

7d Survival Rate Binomials

Rep 1 Rep 2 Rep 3 Rep 4

0 D 10/10 10/10 8/10 9/10

10 10/10 10/10 9/10 10/10

18 9/10 9/10 10/10 10/10

32 7/10 7/10 9/10 8/10

56 10/10 8/10 10/10 9/10

100 10/10 8/10 8/10 10/10

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 31 of 42 12/26/2024

Report Date: 20 Dec-24 09:20 (p 1 of 4)CETIS Analytical Report

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: 7d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 15-6741-2524

Analysis: Parametric-Control vs Treatments Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 912BD8D95CC10354DF93A88D67663821 Editor ID: 005-847-680-2

Sample ID: 03-0360-7599

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 03-5808-5145

Start Date: 10 Dec-24 14:38

Ending Date: 17 Dec-24 14:22

Test Type: Growth-Survival (7d)

Test Length: 7d

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Pimephales promelas

Source: Aquatox, AR

Analyst:

Age: <24Taxon: Actinopterygii

Test Stat Critical P-Value Decision(α:5%)MSDvsControl Conc-%

Dunnett Multiple Comparison Test

P-Typedf

-0.8161 2.407 0.2248 0.9720 Non-Significant Effect10Dilution Water 6 CDF

-0.3798 2.407 0.2248 0.9211 Non-Significant Effect18 6 CDF

2.253 2.407 0.2248 0.0666 Non-Significant Effect32 6 CDF

0 2.407 0.2248 0.8333 Non-Significant Effect56 6 CDF

0.3798 2.407 0.2248 0.6983 Non-Significant Effect100 6 CDF

NOEL LOEL Tox UnitsTOELAlt HypData Transform PMSDMSDu

100 >100 16.79%1---C > TAngular (Corrected) 0.1553

Attribute Test Stat Decision

Test Acceptability Criteria

Lower OverlapUpper

TAC Limits

0.8Control Resp Yes Passes Criteria0.925 <<

ANOVA Table

Source Sum Squares Mean Square DF F Stat P-Value Decision(α:5%)

Between 0.198417 0.0396835 5 2.275 0.0908 Non-Significant Effect

Error 0.314008 0.0174449 18

0.512425 23Total

ANOVA Assumptions Tests

Attribute Test Test Stat Critical P-Value Decision(α:1%)

2.108 15.09 0.8340 Equal VariancesBartlett Equality of Variance TestVariance

0.9192 0.884 0.0560 Normal DistributionShapiro-Wilk W Normality TestDistribution

Mean Min MaxMedianCountCode Std ErrConc-% CV% %Effect95% LCL 95% UCL

7d Survival Rate Summary

0.9250 0.8000 1.00000.96670 4 0.0479 10.35%0.7727 1.0000D 0.00%

0.9750 0.9000 1.00001.000010 4 0.0250 5.13%0.8954 1.0000 -5.41%

0.9500 0.9000 1.00000.950018 4 0.0289 6.08%0.8581 1.0000 -2.70%

0.7750 0.7000 0.90000.733332 4 0.0479 12.35%0.6227 0.9273 16.22%

0.9250 0.8000 1.00000.966756 4 0.0479 10.35%0.7727 1.0000 0.00%

0.9000 0.8000 1.00000.9000100 4 0.0577 12.83%0.7163 1.0000 2.70%

Mean Min MaxMedianCountCode Std ErrConc-% CV% %Effect95% LCL 95% UCL

Angular (Corrected) Transformed Summary

1.2950 1.1070 1.41201.35800 4 0.0735 11.35% 0.00%1.0610 1.5290D

1.3710 1.2490 1.41201.412010 4 0.0407 5.94% -5.89%1.2420 1.5010

1.3310 1.2490 1.41201.331018 4 0.0471 7.07% -2.74%1.1810 1.4800

1.0850 0.9912 1.24901.030032 4 0.0613 11.29% 16.25%0.8897 1.2800

1.2950 1.1070 1.41201.358056 4 0.0735 11.35% 0.00%1.0610 1.5290

1.2600 1.1070 1.41201.2600100 4 0.0880 13.97% 2.74%0.9795 1.5400

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 32 of 42 12/26/2024

Report Date: 20 Dec-24 09:20 (p 2 of 4)CETIS Analytical Report

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: 7d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 15-6741-2524

Analysis: Parametric-Control vs Treatments Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 912BD8D95CC10354DF93A88D67663821 Editor ID: 005-847-680-2

CodeConc-%

7d Survival Rate Detail

Rep 1 Rep 2 Rep 3 Rep 4

0 D 1.0000 1.0000 0.8000 0.9000

10 1.0000 1.0000 0.9000 1.0000

18 0.9000 0.9000 1.0000 1.0000

32 0.7000 0.7000 0.9000 0.8000

56 1.0000 0.8000 1.0000 0.9000

100 1.0000 0.8000 0.8000 1.0000

CodeConc-%

Angular (Corrected) Transformed Detail

Rep 1 Rep 2 Rep 3 Rep 4

0 D 1.4120 1.4120 1.1070 1.2490

10 1.4120 1.4120 1.2490 1.4120

18 1.2490 1.2490 1.4120 1.4120

32 0.9912 0.9912 1.2490 1.1070

56 1.4120 1.1070 1.4120 1.2490

100 1.4120 1.1070 1.1070 1.4120

CodeConc-%

7d Survival Rate Binomials

Rep 1 Rep 2 Rep 3 Rep 4

0 D 10/10 10/10 8/10 9/10

10 10/10 10/10 9/10 10/10

18 9/10 9/10 10/10 10/10

32 7/10 7/10 9/10 8/10

56 10/10 8/10 10/10 9/10

100 10/10 8/10 8/10 10/10

Graphics

Conc-%

0 D 10 18 32 56 100

7d S u rv iv al

R a te

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0.0

Rankits

1.51.00.50.0-0.5-1.0-1.5

C o rr . A n g le

0.20

0.15

0.10

0.05

0.00

-0.05

-0.10

-0.15

-0.20

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 33 of 42 12/26/2024

Report Date: 20 Dec-24 09:20 (p 3 of 4)CETIS Analytical Report

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: Mean Dry Biomass-mg CETIS Version: CETISv2.1.4Analysis ID: 12-8233-3499

Analysis: Parametric-Control vs Treatments Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 2C4C422DAA2BD563CBE3470B6A7A1A0 Editor ID: 005-847-680-2

Sample ID: 03-0360-7599

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 03-5808-5145

Start Date: 10 Dec-24 14:38

Ending Date: 17 Dec-24 14:22

Test Type: Growth-Survival (7d)

Test Length: 7d

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Pimephales promelas

Source: Aquatox, AR

Analyst:

Age: <24Taxon: Actinopterygii

Test Stat Critical P-Value Decision(α:5%)MSDvsControl Conc-%

Dunnett Multiple Comparison Test

P-Typedf

-0.872 2.407 0.1808 0.9757 Non-Significant Effect10Dilution Water 6 CDF

-1.178 2.407 0.1808 0.9895 Non-Significant Effect18 6 CDF

0.03996 2.407 0.1808 0.8213 Non-Significant Effect32 6 CDF

-1.634 2.407 0.1808 0.9972 Non-Significant Effect56 6 CDF

-0.902 2.407 0.1808 0.9776 Non-Significant Effect100 6 CDF

NOEL LOEL Tox UnitsTOELAlt HypData Transform PMSDMSDu

100 >100 20.62%1---C > TUntransformed 0.1808

Attribute Test Stat Decision

Test Acceptability Criteria

Lower OverlapUpper

TAC Limits

0.25Control Resp Yes Passes Criteria0.8768 <<

0.12PMSD Yes Passes Criteria0.2062 0.3

ANOVA Table

Source Sum Squares Mean Square DF F Stat P-Value Decision(α:5%)

Between 0.0494089 0.0098818 5 0.8757 0.5168 Non-Significant Effect

Error 0.203115 0.0112842 18

0.252524 23Total

ANOVA Assumptions Tests

Attribute Test Test Stat Critical P-Value Decision(α:1%)

4.334 15.09 0.5024 Equal VariancesBartlett Equality of Variance TestVariance

0.9466 0.884 0.2286 Normal DistributionShapiro-Wilk W Normality TestDistribution

Mean Min MaxMedianCountCode Std ErrConc-% CV% %Effect95% LCL 95% UCL

Mean Dry Biomass-mg Summary

0.8768 0.772 1.010.86250 4 0.05136 11.72%0.7133 1.04D 0.00%

0.9423 0.912 0.9730.94210 4 0.0169 3.59%0.8885 0.996 -7.47%

0.9653 0.798 1.0890.98718 4 0.07161 14.84%0.7374 1.193 -10.09%

0.8737 0.762 1.0150.85932 4 0.05311 12.16%0.7047 1.043 0.34%

0.9995 0.845 1.0581.04756 4 0.05174 10.35%0.8349 1.164 -14.00%

0.9445 0.782 1.0580.969100 4 0.05812 12.31%0.7595 1.129 -7.73%

CodeConc-%

Mean Dry Biomass-mg Detail

Rep 1 Rep 2 Rep 3 Rep 4

0 D 1.01 0.898 0.772 0.827

10 0.97 0.912 0.914 0.973

18 0.894 0.798 1.089 1.08

32 0.837 0.881 1.015 0.762

56 1.058 0.845 1.037 1.058

100 0.974 0.964 0.782 1.058

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 34 of 42 12/26/2024

Report Date: 20 Dec-24 09:20 (p 4 of 4)CETIS Analytical Report

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: Mean Dry Biomass-mg CETIS Version: CETISv2.1.4Analysis ID: 12-8233-3499

Analysis: Parametric-Control vs Treatments Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 2C4C422DAA2BD563CBE3470B6A7A1A0 Editor ID: 005-847-680-2

Graphics

Conc-%

0 D 10 18 32 56 100

M e a n

D ry

B io m a ss -m g

1.0

0.8

0.6

0.4

0.2

0.0

Rankits

1.51.00.50.0-0.5-1.0-1.5 U n tr an s fo rm e d

0.15

0.10

0.05

0.00

-0.05

-0.10

-0.15

CETIS™ v2.1.4.8 x64 (005-847-680-2)Convergent Rounding (4 sf) QA:________Analyst:________

Page 35 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:20 (p 1 of 4)

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: 7d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 09-3057-6616

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 912BD8D95CC10354DF93A88D67663821 Editor ID: 005-847-680-2

X Transform Y Transform Resamples Exp 95% CL

Linear Interpolation Options

MethodSeed

Linear Linear 1000 Yes Two-Point Interpolation1903839

Attribute Test Stat Decision

Test Acceptability Criteria

Lower OverlapUpper

TAC Limits

0.8Control Resp Yes Passes Criteria0.925 <<

Sample ID: 03-0360-7599

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 03-5808-5145

Start Date: 10 Dec-24 14:38

Ending Date: 17 Dec-24 14:22

Test Type: Growth-Survival (7d)

Test Length: 7d

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Pimephales promelas

Source: Aquatox, AR

Analyst:

Age: <24Taxon: Actinopterygii

Point Estimates

Level 95% LCL 95% UCL% Tox Units 95% LCL 95% UCL

LC50 >100 --- --- <1 --- ---

Mean Min MaxCountCode ΣA/ΣB

Calculated Variate(A/B)

Conc-% CV% %Effect

7d Survival Rate Summary

Mean %Effect

Isotonic Variate

Median

0.9250 37/400.8000 1.00000 4D 0.00%10.35% 0.9500 0.00%0.9667

0.9750 39/400.9000 1.000010 4 -5.41%5.13% 0.9500 0.00%1.0000

0.9500 38/400.9000 1.000018 4 -2.70%6.08% 0.9500 0.00%0.9500

0.7750 31/400.7000 0.900032 4 16.22%12.35% 0.8667 8.77%0.7333

0.9250 37/400.8000 1.000056 4 0.00%10.35% 0.8667 8.77%0.9667

0.9000 36/400.8000 1.0000100 4 2.70%12.83% 0.8667 8.77%0.9000

CodeConc-%

7d Survival Rate Detail

Rep 1 Rep 2 Rep 3 Rep 4

0 D 1.0000 1.0000 0.8000 0.9000

10 1.0000 1.0000 0.9000 1.0000

18 0.9000 0.9000 1.0000 1.0000

32 0.7000 0.7000 0.9000 0.8000

56 1.0000 0.8000 1.0000 0.9000

100 1.0000 0.8000 0.8000 1.0000

CodeConc-%

7d Survival Rate Binomials

Rep 1 Rep 2 Rep 3 Rep 4

0 D 10/10 10/10 8/10 9/10

10 10/10 10/10 9/10 10/10

18 9/10 9/10 10/10 10/10

32 7/10 7/10 9/10 8/10

56 10/10 8/10 10/10 9/10

100 10/10 8/10 8/10 10/10

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 36 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:20 (p 2 of 4)

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: 7d Survival Rate CETIS Version: CETISv2.1.4Analysis ID: 09-3057-6616

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 912BD8D95CC10354DF93A88D67663821 Editor ID: 005-847-680-2

Graphics

Conc-%

1009080706050403020100

7d S u rv iv al

R a te

0.96

0.80

0.64

0.48

0.32

0.16

0.00

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 37 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:20 (p 3 of 4)

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: Mean Dry Biomass-mg CETIS Version: CETISv2.1.4Analysis ID: 11-7234-9997

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 2C4C422DAA2BD563CBE3470B6A7A1A0 Editor ID: 005-847-680-2

X Transform Y Transform Resamples Exp 95% CL

Linear Interpolation Options

MethodSeed

Linear Linear 1000 Yes Two-Point Interpolation712031

Attribute Test Stat Decision

Test Acceptability Criteria

Lower OverlapUpper

TAC Limits

0.25Control Resp Yes Passes Criteria0.8768 <<

Sample ID: 03-0360-7599

Sample Date: 09 Dec-24 11:10

Receipt Date: 10 Dec-24 08:55

Code: 275382

Sample Age: 27h

Source: ECC

Station: OF-EFF-120924

Client:

Project:

Material: POTW Effluent

CAS (PC):

Batch ID: 03-5808-5145

Start Date: 10 Dec-24 14:38

Ending Date: 17 Dec-24 14:22

Test Type: Growth-Survival (7d)

Test Length: 7d

Protocol: EPA/821/R-02-013 (2002) Diluent: Mod-Hard Synthetic Water

Brine:Species: Pimephales promelas

Source: Aquatox, AR

Analyst:

Age: <24Taxon: Actinopterygii

Point Estimates

Level 95% LCL 95% UCL% Tox Units 95% LCL 95% UCL

IC25 >100 --- --- <1 --- ---

Mean Min MaxCountCode

Calculated Variate

Conc-% CV% %Effect

Mean Dry Biomass-mg Summary

Mean %Effect

Isotonic Variate

Median

0.8768 0.772 1.010 4D 0.00%11.72% 0.9337 0.00%0.8625

0.9423 0.912 0.97310 4 -7.47%3.59% 0.9337 0.00%0.942

0.9653 0.798 1.08918 4 -10.09%14.84% 0.9337 0.00%0.987

0.8737 0.762 1.01532 4 0.34%12.16% 0.9337 0.00%0.859

0.9995 0.845 1.05856 4 -14.00%10.35% 0.9337 0.00%1.047

0.9445 0.782 1.058100 4 -7.73%12.31% 0.9337 0.00%0.969

CodeConc-%

Mean Dry Biomass-mg Detail

Rep 1 Rep 2 Rep 3 Rep 4

0 D 1.01 0.898 0.772 0.827

10 0.97 0.912 0.914 0.973

18 0.894 0.798 1.089 1.08

32 0.837 0.881 1.015 0.762

56 1.058 0.845 1.037 1.058

100 0.974 0.964 0.782 1.058

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 38 of 42 12/26/2024

CETIS Analytical Report Report Date: 20 Dec-24 09:20 (p 4 of 4)

Fathead Minnow 7-d Larval Survival and Growth Test Eurofins Arkansas

Analyzed: 20 Dec-24 9:19 Endpoint: Mean Dry Biomass-mg CETIS Version: CETISv2.1.4Analysis ID: 11-7234-9997

Analysis: Linear Interpolation (ICPIN) Status Level: 1

Edit Date: 20 Dec-24 9:15 MD5 Hash: 2C4C422DAA2BD563CBE3470B6A7A1A0 Editor ID: 005-847-680-2

Graphics

Conc-%

1009080706050403020100

M e a n

D ry

B io m a ss -m g

0.96

0.80

0.64

0.48

0.32

0.16

0.00

CETIS™ v2.1.4.8 x64 (005-847-680-2) QA:________Analyst:________Convergent Rounding (4 sf)

Page 39 of 42 12/26/2024

Page 40 of 42 12/26/2024

Page 41 of 42 12/26/2024

Page 42 of 42 12/26/2024

77th Quarter Final Report Old O-Field GWTF Quarterly Effluent Toxicity Study

ATTACHMENT 2

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