8LEADs-1-20-26-4384048_R1257169.pdf

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WRRC Boiler Upgrades Federal contract opportunity
Solicitation number
1232SA26R0033
Issued by
Department of Agriculture Agricultural Research Service

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This is a lead analysis laboratory report issued by Eurofins Built Environment Testing West, LLC for bulk paint samples collected at the USDA Western Regional Research Center located at 800 Buchanan Street, Albany, California. The report was prepared for Terracon Consultants, Inc.-Concord (contact: Heidi Santos and Ms. Karin Schroeter) under Project R1257169, with samples collected on 01-20-2026, received on 01-21-2026, and reported on 01-28-2026.

Eight bulk paint samples were analyzed using Flame Atomic Absorption Spectrometry (NIOSH 7082 & EPA 7000B modified methodology) to determine lead content. Results indicate: Pb-01 through Pb-04 all measured below method reporting limits (39-40 ppm); Pb-05 (green metal natural gas pipe) measured 80 ppm; Pb-06 and Pb-07 measured below reporting limits (39 ppm); and Pb-08 (red metal pump motor) measured 45,000 ppm, indicating extremely high lead concentration. The laboratory is AIHA LAP, LLC accredited (Lab ID #178697) and applied standard quality assurance protocols. All samples were received in acceptable condition, and sample sizes ranged from 0.2514 to 0.2594 grams. The report was approved by signatory Philip Newton with analyst Alex Nguyen identified as the project analyst. Two accompanying field sampling data sheets document the sample collection process, locations, and chain of custody information.

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Text version

Approved by:

Approved Signatory Philip Newton

Report for:

Heidi Santos, Ms. Karin Schroeter Terracon Consultants, Inc.-Concord 1220 Concord Avenue Suite 450 Concord, CA 94520

Regarding:

Eurofins Built Environment Testing West, LLC Project: R1257169; USDA Western Regional Research Center- 800 Buchanan St. Albany, CA

EML ID: 4384048

All samples were received in acceptable condition unless noted in the Report Comments portion in the body of the report. Due to the nature of the analyses performed, field blank correction of results is not applied. The results relate only to the samples as received and tested. Sample size, as it relates to Wipe samples only, is supplied by the client.

Eurofins Built Environment Testing West, LLC ("the Company"), a member of the Eurofins Built Environment Testing group of companies, shall have no liability to the client or the client's customer with respect to decisions or recommendations made, actions taken or courses of conduct implemented by either the client or the client's customer as a result of or based upon the Test Results.

In no event shall the Company be liable to the client with respect to the Test Results except for the Company's own willful misconduct or gross negligence nor shall the Company be liable for incidental or consequential damages or lost profits or revenues to the fullest extent such liability may be disclaimed by law, even if the Company has been advised of the possibility of such damages, lost profits or lost revenues. In no event shall the Company's liability with respect to the Test Results exceed the amount paid to the Company by the client therefor.

Dates of Analysis:

Lead - Flame AA: 01-27-2026

Service SOPs: Lead - Flame AA (EB-BC-S-8443) AIHA LAP, LLC accredited service, Lab ID #178697

Eurofins Built Environment Testing West, LLC's LabServe® reporting system includes automated fail-safes to ensure that all AIHA LAP, LLC quality requirements are met and notifications are added to reports when any quality steps remain pending.

EMLab ID: 4384048, Page 1 of 4Eurofins Built Environment Testing West, LLC

Eurofins Built Environment Testing West, LLC 2841 Dow Avenue, Suite 300, Tustin, CA 92780

(833) 465-5857 www.eurofinsus.com/BuiltClient: Terracon Consultants, Inc.-Concord C/O: Heidi Santos, Ms. Karin Schroeter Re: R1257169; USDA Western Regional Research Center- 800 Buchanan St. Albany, CA

Date of Sampling: 01-20-2026 Date of Receipt: 01-21-2026 Date of Report: 01-28-2026

LEAD: FLAME ATOMIC ABSORPTION SPECTROMETRY

Location: Pb-01:

Red Metal Pump Motor; Service Building Mech.

Rm- East Off Motor

Pb-02:

Yellow Metal Pipe;

Service Building Mech Room West

Off Pipe

Pb-03:

Red Concrete

Mech Pad; Service

Building Mech Room West Off

Concrete Pad

Pb-04:

Teal Metal Water/

Steam Boiler;

Service Building- West Mech. Rm-

South Boiler

Comments (see below) None None None None

Lab ID-Version‡: 21979270-1 21979271-1 21979272-1 21979273-1

Analysis Date: 01/27/2026 01/27/2026 01/27/2026 01/27/2026

Sample type Bulk sample Bulk sample Bulk sample Bulk sample

Method* NIOSH 7082 & EPA 7000B modified

NIOSH 7082 & EPA

7000B modified

NIOSH 7082 & EPA

7000B modified

NIOSH 7082 & EPA

7000B modified

† Method Reporting Limit 39 ppm 40 ppm 40 ppm 39 ppm

Sample size 0.2568 grams 0.2525 grams 0.2514 grams 0.2546 grams

§Total Lead Result < 39 ppm < 40 ppm < 40 ppm < 39 ppm

Comments:

EMLab ID: 4384048, Page 2 of 4Eurofins Built Environment Testing West, LLC

Sample results have not been corrected for blank values.

Bulk samples are not covered under the AIHA LAP, LLC service accreditation.

Wipe samples must meet ASTM E1792 criteria. Method Reporting Limits may not be valid for non-ASTM E1792 wipe samples.

Estimated accuracy is solely based on recovery data from internal laboratory control samples at the 95% confidence interval (k ~ 2) of the level of concern, derived from a 1,000-ppm certified lead reference.

*Sample preparation and analytical methods are based upon NIOSH 7082 and EPA 7000B.

† The Method Reporting Limit is the minimum concentration of Lead that the laboratory can confidently detect in the sample.

§ Total Lead Result has been rounded to two significant figures to reflect analytical precision.

‡ A "Version" indicated by -"x" after the Lab ID# with a value greater than 1 indicates a sample with amended data. The revision number is reflected by the value of "x".

(833) 465-5857 www.eurofinsus.com/BuiltClient: Terracon Consultants, Inc.-Concord C/O: Heidi Santos, Ms. Karin Schroeter Re: R1257169; USDA Western Regional Research Center- 800 Buchanan St. Albany, CA

Date of Sampling: 01-20-2026 Date of Receipt: 01-21-2026 Date of Report: 01-28-2026

LEAD: FLAME ATOMIC ABSORPTION SPECTROMETRY

Location: Pb-05:

Green Metal Natural Gas Pipe;

Service Building- West Mech Rm-

Center

Pb-06:

Red Metal Pump

Motor; Main Building Basement

Mech Rm F017

Pb-07:

Blue/Grey Epoxy

Floor; Main Building Basement F515 Auto Clave

Rm

Pb-08:

Red Metal Pump

Motor; West Annex-

First Floor Mech.

Rm.

Comments (see below) None None None None

Lab ID-Version‡: 21979274-1 21979275-1 21979276-1 21979277-1

Analysis Date: 01/27/2026 01/27/2026 01/27/2026 01/27/2026

Sample type Bulk sample Bulk sample Bulk sample Bulk sample

Method* NIOSH 7082 & EPA 7000B modified

NIOSH 7082 & EPA

7000B modified

NIOSH 7082 & EPA

7000B modified

NIOSH 7082 & EPA

7000B modified

† Method Reporting Limit 39 ppm 39 ppm 39 ppm 39 ppm

Sample size 0.2540 grams 0.2546 grams 0.2594 grams 0.2571 grams

§Total Lead Result 80 ppm < 39 ppm < 39 ppm 45000 ppm

Comments:

EMLab ID: 4384048, Page 3 of 4Eurofins Built Environment Testing West, LLC

Sample results have not been corrected for blank values.

Bulk samples are not covered under the AIHA LAP, LLC service accreditation.

Wipe samples must meet ASTM E1792 criteria. Method Reporting Limits may not be valid for non-ASTM E1792 wipe samples.

Estimated accuracy is solely based on recovery data from internal laboratory control samples at the 95% confidence interval (k ~ 2) of the level of concern, derived from a 1,000-ppm certified lead reference.

*Sample preparation and analytical methods are based upon NIOSH 7082 and EPA 7000B.

† The Method Reporting Limit is the minimum concentration of Lead that the laboratory can confidently detect in the sample.

§ Total Lead Result has been rounded to two significant figures to reflect analytical precision.

‡ A "Version" indicated by -"x" after the Lab ID# with a value greater than 1 indicates a sample with amended data. The revision number is reflected by the value of "x".

(833) 465-5857 www.eurofinsus.com/BuiltClient: Terracon Consultants, Inc.-Concord C/O: Heidi Santos, Ms. Karin Schroeter Re: R1257169; USDA Western Regional Research Center- 800 Buchanan St. Albany, CA

Date of Sampling: 01-20-2026 Date of Receipt: 01-21-2026 Date of Report: 01-28-2026

LEAD: FLAME ATOMIC ABSORPTION SPECTROMETRY

PROJECT ANALYST AND SIGNATORY REPORT

Project Analyst

The test report shall not be reproduced except in full, without written approval of the laboratory. The report must not be used by the client to claim product certification, approval, or endorsement by AIHA LAP, LLC, or any agency of the federal government. The Company reserves the right to dispose of all samples after a period of thirty (30) days, according to all state and federal guidelines, unless otherwise specified.

‡ A "Version" indicated by -"x" after the Lab ID# with a value greater than 1 indicates a sample with amended data. The revision number is reflected by the value of "x".

Analyst: Alex Nguyen

EMLab ID: 4384048, Page 4 of 4Eurofins Built Environment Testing West, LLC

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