Sol_140G0225Q0068_Amd_0001.pdf

(x)

140G0225Q0068 x x copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR

OFFER. If by virtue of this amendment you desire to change an offer already submitted , such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

x

GDB

DENVER CO 80225-0046

PO BOX 25046

USGS OAG DENVER ACQUISITION BRANCH

GDB

DENVER CO 80225-0046

204 DENVER FEDERAL CENTER

PO BOX 25046

USGS OAG DENVER ACQUISITION BRANCH

07/15/20250001

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended , by one of the following methods: (a) By completing

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

07/15/2025

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Amendment 0001 issued to Open solicitation to Full and Open Competition, and extend close date until August 8th, 2025.

Period of Performance: 08/15/2025 to 08/14/2026

Change Item 00010 to read as follows(amount shown is the obligated amount):

00010 Base Year

Carbon dating - see attached Performance Work

Statement

Continued ...

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Yvette Sornberger

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 10A, as heretofore changed, remains unchanged and in full force and effect .

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

2 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140G0225Q0068/0001

C-14 by Accelerator Mass Spectrometry (AMS)

(aqueous sample) with C-13 reported Quantity

500 EA

C-14 by AMS (rock carbonate) with C-13 reported

Quantity 5 EA

C-14 by AMS (organic carbon in solid sample) with C-13 reported Quantity 5 EA

Prep (as required for unusual samples) Quantity

20 EA

5 EA

Product/Service Code: R499

Product/Service Description: SUPPORT-

PROFESSIONAL: OTHER

Change Item 00020 to read as follows(amount shown is the obligated amount):

00020 Option Year One

Carbon dating - see attached Performance Work

Statement

C-14 by AMS (aqueous sample) with C-13 reported

500 EA

C-14 by AMS (rock carbonate) with C-13 reported

5 EA

C-14 by AMS (organic carbon in solid sample) with

C-13 reported 5 EA

Prep (as required for unusual samples) 20 EA

(Option Line Item)

Anticipated Exercise Date 08/03/2026

Product/Service Code: R499

Product/Service Description: SUPPORT-

PROFESSIONAL: OTHER

Period of Performance: 08/15/2026 to 08/14/2027

THE GOVERNMENT'S TERMS AND CONDITIONS SHALL

PREVAIL OVER ANY OTHER TERMS AND CONDITIONS

AND/OR AGREEMENT (IF ANY).

Continued ...

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

3 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140G0225Q0068/0001

Anticipated Award Type: Firm-fixed price.

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110