2014D__2083__2090__2092__2101_Testing_Reports.pdf

For the best experience, open this PDF portfolio in

Acrobat X or Adobe Reader X, or later.

Get Adobe Reader Now!

http://www.adobe.com/go/reader

METHAMPHETAMINE TESTING REPORT

Bureau of Indian Affairs - Great Plains Region

Cheyenne River Agency

Quarters – Multifamily Housing

Location: #A01-01

Building: #2014-D

Eagle Butte, South Dakota

Project Number 204BS09257

September 30, 2025

PREPARED FOR:

TransAmerican Solutions, LLC.

12129 W. Rockhampton Street Boise, Idaho

PREPARED BY:

Atlas Technical Consultants LLC 11117 Mockingbird Drive Omaha, Nebraska

11117 Mockingbird Drive, Omaha, Nebraska 68137

402.697.9747 | oneatlas.com

Mr. Jake Kerley

Boise, ID 83709

RE: METHAMPHETAMINE TESTING REPORT

Cheyenne River Agency Quarters

Multifamily Housing

Atlas Project No. 204BS09257

Dear Mr. Kerley:

On September 24, 2025, Steve Hudson of Atlas Technical Consultants, LLC (Atlas) conducted testing of accessible surfaces and areas at the above referenced property to identify the presence of potential methamphetamine contamination.

1.0 SCOPE OF SERVICES

The scope of services for the project included:

➢ Collection of wipe samples from representative surfaces within the residence to assess potential methamphetamine contamination,

➢ Laboratory analysis of submitted wipe samples for methamphetamine residue,

➢ Comparison of methamphetamine concentrations to the recommended clean-up level of

0.1 ug/100cm2,

➢ Report of Findings with summary of findings and copies / interpretation of analytical testing data.

1.1 Standard of Care

Atlas conducted this assessment in general accordance with guidelines established by the USEPA

Voluntary Guidelines for Methamphetamine and Fentanyl Laboratory Cleanup, August, 2021. Atlas performed the assessment and testing in a manner consistent with the level of care and skill ordinarily exercised by environmental professionals practicing in this field.

The results and findings expressed in this report are based on conditions present during our site visit.

Methamphetamine Assessment Report Location: #A01-01, Building #2014-D Eagle Butte, SD September 30, 2025 Atlas Project No. 204BS09257

Page | 2

2.0 METHODS

Atlas conducted a visual inspection of the residence to assess site conditions and identify representative sample locations. Dust wipe samples were collected from representative surfaces

/ areas to identify and characterize methamphetamine contamination levels within the residence.

Samples were collected using pre-moistened GhostWipe surface wipes pre-wetted with reagent-grade methanol and disposable 100-cm2 sampling templates, provided by the analytical laboratory. Samples were collected by wiping the entire area within the 100-cm2 sampling template using a side-to-side “S” sampling motion then folding the wipe sample and repeating the motion top-to-bottom across the entire sampling template area. Gloves were worn during sample collection and removed and discarded immediately after sample collection. A new set of gloves was donned prior to each sample collected.

Samples were shipped under proper chain of custody to ALS Laboratory in Salt Lake City, Utah, for methamphetamine residue analysis per National Institute for Occupational Health and Safety

(NIOSH) Method 9111 Methamphetamine on Wipes by Liquid Chromatography/Mass

Spectrometry (LC/MS). (A copy of the laboratory analytical results and chain of custody is provided as an attachment to this report).

3.0 SUMMARY OF FINDINGS

Atlas collected and submitted a total of 4 composite wipe samples along with 1 discrete wipe sample for laboratory analysis. Results are summarized in the table below.

Sample

Location Sample Area

Regulatory Level

(ug/100cm2)

Result

Ceiling Composite: Kitchen, Living Room, Bedroom

300 cm2 <0.1 ND

Walls Composite: Kitchen, Living Room, Bedroom, Bathroom

400 cm2 <0.1 ND

Floor Composite: Kitchen, Living

400 cm2 <0.1 0.048

Return Vent Discrete: Living Room

100 cm2 <0.1 0.87

Miscellaneous Surfaces Composite: Kitchen Countertop, Hall Closet Shelf, Toilet Tank Top

300 cm2 <0.1 0.25

➢ Two of the five submitted samples exceeded the recommended clean-up level of 0.1 ug/100cm2.

Methamphetamine Assessment Report Location: #A01-01, Building #2014-D Eagle Butte, SD September 30, 2025 Atlas Project No. 204BS09257

Page | 3

4.0 CONCLUSIONS

➢ Sample results indicated the presence of methamphetamine contamination within the residence that exceeded the recommended clean-up level.

5.0 ASSUMPTIONS AND LIMITATIONS

The results, findings and conclusions expressed in this report are based upon the conditions encountered during the September 24, 2025, testing event. The testing was limited to representative and accessible surfaces within the residence as identified in this report. The testing event is an attempt to characterize the potential for methamphetamine contamination within the residence consistent with acceptable work practices and assessment approaches used by professionals in the industry. As with any sampling approach, it is always possible that contamination may be present in locations that were hidden, inaccessible or outside the limits of the representative testing approach. No testing can guarantee that all methamphetamine contaminated items were identified.

The information contained in this report should not be relied upon to represent conditions that existed previously or at a later date. Atlas does not warrant the services of regulatory agencies, laboratories, or other third parties supplying information used in the preparation of this report. No warranty, express or implied is made. This report is for the exclusive use of our client for the project being discussed. Other individuals or entities may not rely on this report without written permission of Atlas and our client.

Sincerely, ATLAS TECHNICAL CONSULTANTS, LLC

Prepared By: Reviewed By:

Joe McCaslin Steve Hudson, MS, CIH, CIEC Environmental Technician Sr. Project Manager Certified Structural Mold Investigator Certified Indoor Environmental Consultant

Attachments:

A Drawings B Laboratory Report & Chain of Custody C Certifications

ATTACHMENT A

DRAWINGS

Project No. 204BS09257 Date: September 30, 2025

Sample Locations

Project Manager: Steve Hudson, MS, CIH, CIEC

Name: First Floor Sketch 11117 Mockingbird Drive Omaha, NE 68137

PH. (402) 697-9747

2 5

Name: Basement Floor Sketch 11117 Mockingbird Drive

ATTACHMENT B

LABORATORY REPORT AND CHAIN OF CUSTODY

ANALYTICAL REPORT

Steve Hudson Atlas

Phone:

E-mail:

(402) 670-3842 steve.hudson@oneatlas.com

Report Date: September 28, 2025

Project Manager: Stella Hanis

Workorder: 34-2526993

Purchase Order:

Client Project ID: 2014-D

204B509257

Analytical Results

09/24/2025 09/26/2025

Sample ID:

Lab ID:

Collected:

Received:

Ceiling Composite: Kitchen, Living Room, Bedroom

2526993001 Sampling Location:

Method: NIOSH 9111 Mod.

Analyzed: 09/27/2025 (332171)Sampling Parameter: Area 300 cm²Dilution: 1

Media: Wipe Instrument: LCMS07

Analyte

(ug/100cm²) RL (ug/sample)

(ug/sample)

NDND 0.10Methamphetamine

Walls Composite: Kitchen, Living

2526993002 Sampling Location:

Analyzed: 09/27/2025 (332171)Sampling Parameter: Area 400 cm²Dilution: 1

Floor Composite: Kitchen, Living

2526993003 Sampling Location:

Analyzed: 09/27/2025 (332171)Sampling Parameter: Area 400 cm²Dilution: 1

0.0480.19 0.10Methamphetamine

Return Vents Composite: Living Room

2526993004 Sampling Location:

Analyzed: 09/27/2025 (332171)Sampling Parameter: Area 100 cm²Dilution: 1

0.870.87 0.10Methamphetamine

Page 1 of 3 Sun, 09/28/25 6:04 PM IHREP-V12.7

ADDRESS 960 West LeVoy Drive, Salt Lake City, Utah, 84123 USA PHONE FAX+1 801 266 7700 +1 801 268 9992

ALS GROUP USA, CORP. An ALS Limited Company

|| WEB| http://www.alsglobal.com/slt

Miscellaneous Surfaces Composite:

Kitchen Countertop, Hall Closet Shelf, Toilet Tank Top

2526993005 Sampling Location:

Analyzed: 09/27/2025 (332171)Sampling Parameter: Area 300 cm²Dilution: 1

0.250.75 0.10Methamphetamine

Report Authorization

Method (Analysis Batch) Analyst Peer Review

(/S/ is an electronic signature that complies with 21 CFR Part 11)

/S/ Gabriela Garcia /S/ Steven J. Sagers NIOSH 9111 Mod. (332171)

09/28/2025 17:25 09/28/2025 17:44

Laboratory Contact Information

(801) 266-7700 alslt.lab@ALSGlobal.com www.alsglobal.com/slt

ALS Environmental 960 W Levoy Drive Salt Lake City, Utah 84123

Email:

Web:

General Lab Comments The results provided in this report relate only to the items tested.

Samples were received in acceptable condition unless otherwise noted.

The following was provided by the client: Sample ID, Collection Date, Sampling Location, Media Type, Sampling Parameter.

Collection Date, Media Type, and Sampling Parameter can potentially affect the validity of the results.

Samples have not been blank corrected unless otherwise noted.

This test report shall not be reproduced, except in full, without written approval of ALS.

ALS provides professional analytical services for all samples submitted. ALS is not in a position to interpret the data and assumes no responsibility for the quality of the samples submitted.

All quality control samples processed with the samples in this report yielded acceptable results unless otherwise noted.

ALS is accredited for specific fields of testing (scopes) in the following testing sectors. The quality system implemented at ALS conforms to accreditation requirements and is applied to all analytical testing performed by ALS. The following table lists testing sector, accreditation body, accreditation number and website. Please contact these accrediting bodies or your ALS project manager for the current scope of accreditation that applies to your analytical testing.

Testing Sector Accreditation Body (Standard)

Certificate Number Website

Industrial Hygiene AIHA (ISO 17025 &

AIHA IHLAP)

101574 http://www.aihaaccreditedlabs.org

DOECAP-AP L24-29 http://www.pjlabs.com Washington C596 https://ecology.wa.gov/Regulations-Permits/Permits-certifications/Lab oratory-Accreditation

Page 2 of 3 Sun, 09/28/25 6:04 PM IHREP-V12.7

Definitions LOD = Limit of Detection = MDL = Method Detection Limit, A statistical estimate of method/media/instrument sensitivity.

LOQ = Limit of Quantitation = RL = Reporting Limit, A verified value of method/media/instrument sensitivity.

ND = Not Detected, Testing result not detected above the LOD or LOQ.

NA = Not Applicable.

** No result could be reported, see sample comments for details.

< Means this testing result is less than the numerical value.

( ) This testing result is between the LOD and LOQ and has higher analytical uncertainty than values at or above the LOQ.

Page 3 of 3 Sun, 09/28/25 6:04 PM IHREP-V12.7

ATTACHMENT C

CERTIFICATIONS

Building: #2083

Project Number 204BS05259

January 9, 2023

Building: #2083

Atlas Project No. 204BS05259

On December 20, 2022, Steve Hudson of Atlas Technical Consultants, LLC (Atlas) conducted

➢ Collection of wipe samples from representative surfaces within the residence to assess potential methamphetamine contamination,

➢ Comparison of methamphetamine concentrations to the established US EPA clean-up level of 0.1 ug/100cm2, Methamphetamine Testing Report Location: #A01-01, Building #2083 Eagle Butte, SD January 9, 2023 Atlas Project No. 204BS05259 along with a field blank, for methamphetamine residue analysis per National Institute for

Occupational Health and Safety (NIOSH) Method 9111 Methamphetamine on Wipes by Liquid

Chromatography/Mass Spectrometry (LC/MS). (A copy of the laboratory analytical results and chain of custody is provided as an attachment to this report).

Atlas collected and submitted a total of 7 wipe samples for laboratory analysis. Results are summarized in the table below.

1 Floor Composite: Kitchen, Bedroom #1, Bedroom #2, Bedroom #3

400 cm2 <0.1 0.44

2 Wall Composite: Living Room, Kitchen, Dining Room, Hallway

400 cm2 <0.1 1.2

3 Ceiling Composite: Living Room, Kitchen, Bedroom #2, Hallway

400 cm2 <0.1 1.1

4 Miscellaneous Surfaces Composite: Kitchen Counter, Kitchen Cabinet, Bathroom Toilet Tank

300 cm2 <0.1 5.6

5 Basement Surfaces Composite: 2 Wall Surfaces, Floor, Ceiling

400 cm2 <0.1 0.75

6 Discrete Sample: Return Vent:

Dining Room

100 cm2 <0.1 31

7 Discrete Sample: Blank N/A <0.1 N/A

➢ Six of the seven submitted samples exceeded the US EPA clean-up level of 0.1 residence that exceeded the US EPA clean-up level for the following tested surfaces:

o Floors o Walls o Ceilings o Return Air Duct o Miscellaneous Surfaces o Basement Surfaces encountered during the December 20, 2022 testing event. The testing was limited to laboratories, or other third parties supplying information used in the preparation of this report. No warranty, express or implied is made. This report is for the exclusive use of our client for the project

Page | 4

Allison Nichols, CIE Steve Hudson, MS, CIH, CIEC Industrial Hygienist Sr. Industrial Hygienist

Attachments:

A Photo Log B Drawings C Laboratory Report & Chain of Custody D Certifications

PHOTO LOG

Photo Log Unit #2083 ■ Eagle Butte, SD Date Taken: December 20, 2022 ■ Atlas Project No. 204BS05259

Photo #1 View of front entrance. Photo #2 Overview of kitchen area.

Photo #3 Overview of living room area. Photo #4 Overview of bathroom.

Photo #5 Overview of bedroom area. Photo #6 Overview of basement area.

Report Date: January 04, 2023

Project Manager: Bevan Meade

Workorder: 34-2236136

Client Project ID: 2083

204BS05259

12/20/2022 12/27/2022

2083-1 Floor2236136001 Sampling Location:

Method: NIOSH 9111 Analyzed: 12/29/2022 (302154)Sampling Parameter: Area 400 cm²Dilution: 1

Media: Wipe Instrument: LCMS06

0.441.7 0.10Methamphetamine

2083-2 Walls2236136002 Sampling Location:

1.24.8 0.10Methamphetamine

2083-3 Ceilings2236136003 Sampling Location:

1.14.5 0.10Methamphetamine

2083-4 Misc2236136004 Sampling Location:

Analyzed: 12/29/2022 (302154)Sampling Parameter: Area 300 cm²Dilution: 1

5.617 0.10Methamphetamine

Page 1 of 3 Wed, 01/04/23 11:29 AM IHREP-V12.7

ADDRESS 960 West LeVoy Drive, Salt Lake City, Utah, 84123 USA PHONE FAX+1 801 266 7700 +1 801 268 9992

2083-5 Bsmt2236136005 Sampling Location:

0.753.0 0.10Methamphetamine

2083-6 Return Vent2236136006 Sampling Location:

Analyzed: 12/29/2022 (302154)Sampling Parameter: Area 100 cm²Dilution: 1

3131 0.10Methamphetamine

2083-7 Blank2236136007 Sampling Location:

Analyzed: 12/29/2022 (302154)Sampling Parameter: Area Not ApplicableDilution: 1

NAND 0.10Methamphetamine

/S/ Christopher Winter /S/ Max Allred

NIOSH 9111 (302154)

01/03/2023 16:30 01/04/2023 11:23

Page 2 of 3 Wed, 01/04/23 11:29 AM IHREP-V12.7

Samples were received in acceptable condition unless otherwise noted.

The following was provided by the client: Sample ID, Collection Date, Sampling Location, Media Type, Sampling Parameter.

Collection Date, Media Type, and Sampling Parameter can potentially affect the validity of the results.

ALS provides professional analytical services for all samples submitted. ALS is not in a position to interpret the data and

All quality control samples processed with the samples in this report yielded acceptable results unless otherwise noted.

ALS is accredited for specific fields of testing (scopes) in the following testing sectors. The quality system implemented at ALS conforms to accreditation requirements and is applied to all analytical testing performed by ALS. The following table lists testing sector, accreditation body, accreditation number and website. Please contact these accrediting bodies or your ALS project

DOECAP-AP L22-62 http://www.pjlabs.com

Dietary Supplements PJLA (ISO 17025) L22-61 http://www.pjlabs.com

LOD = Limit of Detection = MDL = Method Detection Limit, A statistical estimate of method/media/instrument sensitivity.

LOQ = Limit of Quantitation = RL = Reporting Limit, A verified value of method/media/instrument sensitivity.

ND = Not Detected, Testing result not detected above the LOD or LOQ.

NA = Not Applicable.

** No result could be reported, see sample comments for details.

( ) This testing result is between the LOD and LOQ and has higher analytical uncertainty than values at or above the LOQ.

Page 3 of 3 Wed, 01/04/23 11:29 AM IHREP-V12.7

ATTACHMENT D

Building: #2090

Building: #2090

Collection of wipe samples from representative surfaces within the residence to assess potential methamphetamine contamination, Laboratory analysis of submitted wipe samples for methamphetamine residue, Comparison of methamphetamine concentrations to the established US EPA clean-up level of

0.1 ug/100cm2, Report of Findings with summary of findings and copies / interpretation of analytical testing data.

Location: #A01-01, Building #2090 Eagle Butte, SD

Atlas collected and submitted a total of 6 wipe samples for laboratory analysis. Results are

1 Floor Composite: Dining Room, Kitchen, Hallway

300 cm2 <0.1 0.042

2 Wall Composite: Living Room, Kitchen, Dining Room, Hallway

3 Ceiling Composite: Dining Room, Kitchen, Hallway

Composite: Kitchen Counter, Kitchen Cabinet, Bathroom Toilet Tank

300 cm2 <0.1 2.3

Wall Surfaces, Ceiling, Floor

400 cm2 <0.1 0.14

6 Discrete Sample: Return Air Duct:

Living Room

100 cm2 <0.1 0.50

➢ Three of the six submitted samples exceeded the US EPA clean-up level of 0.1

Sample results indicated the presence of methamphetamine contamination within the residence that exceeded the US EPA clean-up level of 0.1 ug/100cm2 at the following locations:

o Miscellaneous Surfaces o Basement Surfaces o Return Air Duct laboratories, or other third parties supplying information used in the preparation of this report. No warranty, express or implied is made. This report is for the exclusive use of our client for the project

B Drawings

Unit #2090 ■ Eagle Butte, SD

Photo #1 View of front entrance. Photo #2 Overview of hallway area.

Photo #3 Overview of living room area. Photo #4 Overview of basement area.

Photo #5 Overview of basement area.

Workorder: 34-2236150

Client Project ID: 2090

2090-1 Floor Composite2236150001 Sampling Location:

Analyzed: 12/30/2022 (302154)Sampling Parameter: Area 300 cm²Dilution: 1

0.0420.12 0.10Methamphetamine

2090-2 Walls2236150002 Sampling Location:

Analyzed: 12/30/2022 (302154)Sampling Parameter: Area 400 cm²Dilution: 1

2090-3 Ceilings2236150003 Sampling Location:

2090-4 Misc2236150004 Sampling Location:

2.36.9 0.10Methamphetamine

Page 1 of 3 Wed, 01/04/23 11:50 AM IHREP-V12.7

ADDRESS 960 West LeVoy Drive, Salt Lake City, Utah, 84123 USA PHONE FAX+1 801 266 7700 +1 801 268 9992

2090-5 Basement2236150005 Sampling Location:

0.140.57 0.10Methamphetamine

2090-6 Return Vent2236150006 Sampling Location:

Analyzed: 12/30/2022 (302154)Sampling Parameter: Area 100 cm²Dilution: 1

0.500.50 0.10Methamphetamine

Page 2 of 3 Wed, 01/04/23 11:50 AM IHREP-V12.7

Samples were received in acceptable condition unless otherwise noted.

The following was provided by the client: Sample ID, Collection Date, Sampling Location, Media Type, Sampling Parameter.

Collection Date, Media Type, and Sampling Parameter can potentially affect the validity of the results.

ALS provides professional analytical services for all samples submitted. ALS is not in a position to interpret the data and

All quality control samples processed with the samples in this report yielded acceptable results unless otherwise noted.

ALS is accredited for specific fields of testing (scopes) in the following testing sectors. The quality system implemented at ALS conforms to accreditation requirements and is applied to all analytical testing performed by ALS. The following table lists testing sector, accreditation body, accreditation number and website. Please contact these accrediting bodies or your ALS project

LOD = Limit of Detection = MDL = Method Detection Limit, A statistical estimate of method/media/instrument sensitivity.

LOQ = Limit of Quantitation = RL = Reporting Limit, A verified value of method/media/instrument sensitivity.

ND = Not Detected, Testing result not detected above the LOD or LOQ.

NA = Not Applicable.

** No result could be reported, see sample comments for details.

( ) This testing result is between the LOD and LOQ and has higher analytical uncertainty than values at or above the LOQ.

Page 3 of 3 Wed, 01/04/23 11:50 AM IHREP-V12.7

Building: #2092

Project Number 204BS09257

Atlas Project No. 204BS09257

On September 24, 2025, Steve Hudson of Atlas Technical Consultants, LLC (Atlas) conducted

➢ Comparison of methamphetamine concentrations to the recommended clean-up level of 0.1 ug/100cm2, Atlas collected and submitted a total of 7 composite wipe samples along with 1 field blank for laboratory analysis. Results are summarized in the table below.

Ceiling Composite: Dining Room, Living Room, Bedroom

Walls Composite: Kitchen, Dining Room, Bedroom 1, Hallway

Floor Composite: Kitchen, Dining Room, Bedroom 1, Hallway

400 cm2 <0.1 0.35

Return Vents Composite: Living Room, Dining Room

200 cm2 <0.1 0.11

Miscellaneous Surfaces Composite:

Kitchen Countertop, Entry Closet Shelf, Bedroom 1 Closet Shelf, Bedroom 2 Closet Shelf

400 cm2 <0.1 0.028

Basement Composite: Walls (2), Floor, Ceiling

400 cm2 <0.1 0.54

7 Field Blank - - N/A

8 Garage Composite: Wall, Floor 200 cm2 <0.1 0.92

➢ Four of the eight submitted samples exceeded the recommended clean-up level of 0.1 residence that exceeded the recommended clean-up level.

encountered during the September 24, 2025, testing event. The testing was limited to laboratories, or other third parties supplying information used in the preparation of this report. No warranty, express or implied is made. This report is for the exclusive use of our client for the project

Joe McCaslin Steve Hudson, MS, CIH, CIEC Environmental Technician Sr. Project Manager Certified Structural Mold Investigator Certified Indoor Environmental Consultant

Attachments:

A Drawings B Laboratory Report & Chain of Custody C Certifications

Name: First Floor Sketch 11117 Mockingbird Drive

Building: #2097

Name: Basement Floor Sketch 11117 Mockingbird Drive

Report Date: September 28, 2025

Workorder: 34-2526989

Client Project ID: 2092

Ceiling Composite: D2526989001 Sampling Location:

Analyzed: 09/26/2025 (332171)Sampling Parameter: Area 300 cm²Dilution: 1

Walls Composite: Kit2526989002 Sampling Location:

Analyzed: 09/26/2025 (332171)Sampling Parameter: Area 400 cm²Dilution: 1

Floor Composite: Kit2526989003 Sampling Location:

0.351.4 0.10Methamphetamine

Return Vents Composi2526989004 Sampling Location:

Analyzed: 09/26/2025 (332171)Sampling Parameter: Area 200 cm²Dilution: 1

0.110.23 0.10Methamphetamine

Page 1 of 3 Sun, 09/28/25 5:59 PM IHREP-V12.7

ADDRESS 960 West LeVoy Drive, Salt Lake City, Utah, 84123 USA PHONE FAX+1 801 266 7700 +1 801 268 9992

Miscellaneous Surfac2526989005 Sampling Location:

0.0280.11 0.10Methamphetamine

Basement Composite2526989006 Sampling Location:

0.542.1 0.10Methamphetamine

Blank2526989007 Sampling Location:

Analyzed: 09/26/2025 (332171)Sampling Parameter: Area Not ApplicableDilution: 1

NAND 0.10Methamphetamine

Garage Composite: Wa2526989008 Sampling Location:

Analyzed: 09/26/2025 (332171)Sampling Parameter: Area 200 cm²Dilution: 1

0.921.8 0.10Methamphetamine

/S/ Gabriela Garcia /S/ Steven J. Sagers NIOSH 9111 Mod. (332171)

09/28/2025 17:25 09/28/2025 17:44

Page 2 of 3 Sun, 09/28/25 5:59 PM IHREP-V12.7

Samples were received in acceptable condition unless otherwise noted.

The following was provided by the client: Sample ID, Collection Date, Sampling Location, Media Type, Sampling Parameter.

Collection Date, Media Type, and Sampling Parameter can potentially affect the validity of the results.

ALS provides professional analytical services for all samples submitted. ALS is not in a position to interpret the data and

All quality control samples processed with the samples in this report yielded acceptable results unless otherwise noted.

ALS is accredited for specific fields of testing (scopes) in the following testing sectors. The quality system implemented at ALS conforms to accreditation requirements and is applied to all analytical testing performed by ALS. The following table lists testing sector, accreditation body, accreditation number and website. Please contact these accrediting bodies or your ALS project

DOECAP-AP L24-29 http://www.pjlabs.com

LOD = Limit of Detection = MDL = Method Detection Limit, A statistical estimate of method/media/instrument sensitivity.

LOQ = Limit of Quantitation = RL = Reporting Limit, A verified value of method/media/instrument sensitivity.

ND = Not Detected, Testing result not detected above the LOD or LOQ.

NA = Not Applicable.

** No result could be reported, see sample comments for details.

( ) This testing result is between the LOD and LOQ and has higher analytical uncertainty than values at or above the LOQ.

Page 3 of 3 Sun, 09/28/25 5:59 PM IHREP-V12.7

Building: #2101

Building: #2101

➢ Comparison of methamphetamine concentrations to the established US EPA clean-up level of 0.1 ug/100cm2, Location: #A01-01, Building #2101 Eagle Butte, SD

Atlas collected and submitted a total of 6 wipe samples for laboratory analysis. Results are

1 Floor Composite: Hallway, Kitchen, Bedroom #1, Bedroom #2

2 Wall Composite: Kitchen, Bedroom #1, Bedroom #2, Hallway

3 Ceiling Composite: Hallway, Kitchen, Bedroom #1, Bedroom #2

Composite: Bathroom Toilet Tank, Kitchen Countertop, Kitchen Cabinet

Wall Surfaces, Ceiling, Floor

400 cm2 <0.1 0.053

6 Discrete Sample: Return Air Duct:

Living Room

100 cm2 <0.1 ND

➢ None of the six submitted samples exceeded the US EPA clean-up level of 0.1 ug/100cm2.

➢ Sample results did not indicate the presence of methamphetamine contamination within the residence that exceeded the US EPA clean-up level of 0.1 ug/100cm2.

laboratories, or other third parties supplying information used in the preparation of this report. No warranty, express or implied is made. This report is for the exclusive use of our client for the project

B Drawings

Unit #2101 ■ Eagle Butte, SD

Photo #1 View of entry. Photo #2 Overview of kitchen area.

Photo #3 Overview of living room area. Photo #4 Overview of bathroom area.

Photo #5 Overview of bedroom area. Photo #6 Overview of basement area.

Workorder: 34-2236140

Client Project ID: 2101

2101-1 2101 Floors2236140001 Sampling Location:

2101-2 2101 Walls2236140002 Sampling Location:

2101-3 2101 Ceilings2236140003 Sampling Location:

2101-4 2101 Misc2236140004 Sampling Location:

Analyzed: 12/29/2022 (302154)Sampling Parameter: Area 300 cm²Dilution: 1

Page 1 of 3 Wed, 01/04/23 11:34 AM IHREP-V12.7

ADDRESS 960 West LeVoy Drive, Salt Lake City, Utah, 84123 USA PHONE FAX+1 801 266 7700 +1 801 268 9992

2101-5 2101 Bsmt2236140005 Sampling Location:

0.0530.21 0.10Methamphetamine

2101-6 2101 Return Vent2236140006 Sampling Location:

Analyzed: 12/30/2022 (302154)Sampling Parameter: Area 100 cm²Dilution: 1

Page 2 of 3 Wed, 01/04/23 11:34 AM IHREP-V12.7

Samples were received in acceptable condition unless otherwise noted.

The following was provided by the client: Sample ID, Collection Date, Sampling Location, Media Type, Sampling Parameter.

Collection Date, Media Type, and Sampling Parameter can potentially affect the validity of the results.

ALS provides professional analytical services for all samples submitted. ALS is not in a position to interpret the data and

All quality control samples processed with the samples in this report yielded acceptable results unless otherwise noted.

ALS is accredited for specific fields of testing (scopes) in the following testing sectors. The quality system implemented at ALS conforms to accreditation requirements and is applied to all analytical testing performed by ALS. The following table lists testing sector, accreditation body, accreditation number and website. Please contact these accrediting bodies or your ALS project

LOD = Limit of Detection = MDL = Method Detection Limit, A statistical estimate of method/media/instrument sensitivity.

LOQ = Limit of Quantitation = RL = Reporting Limit, A verified value of method/media/instrument sensitivity.

ND = Not Detected, Testing result not detected above the LOD or LOQ.

NA = Not Applicable.

** No result could be reported, see sample comments for details.

( ) This testing result is between the LOD and LOQ and has higher analytical uncertainty than values at or above the LOQ.

Page 3 of 3 Wed, 01/04/23 11:34 AM IHREP-V12.7