Sol_140P8426Q0042_Amd_0002.pdf

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 items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT 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.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

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

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

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

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

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

15C. DATE SIGNED

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

16C. DATE SIGNED

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

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

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Alanna Gardner

See continuation page

NPS, PWR - PORE MABO

Point Reyes National Seashore 1 Bear Valley Road Point Reyes Station CA 94956-9703

PPR

140P8426Q0042

07/06/2026

06/10/2026

1 2

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140P8426Q0042/0002

Laboratory Water Testing Services, Point Reyes

National Seashore, Marin County, California.

This Amendment 0002 increases the annual number of nitrite tests from 6 to 13 quantity. See:

B08 Att 1_140P8426Q0042_Quote

Sheet_Revised.docx

Additionally, this Amendment answers questions received to date, as follows:

QUESTION 1: Can you provide clarification on the specific parameters and/or analytical methods required for Primary Organics, Secondary Standards, and MTBE (primary)?

NPS RESPONSE: Yes, the Statement of Work (SOW) has been updated to provide the requested information. See: B08 Att

2_140P8426Q0042_SOW_Revised.pdf

Note: Changes are highlighted in yellow for clarity.

QUESTION 2: The Statement of Work mentions sample pick up at the Seashore. Would it be acceptable to provide coolers with pre-paid shipping labels for shipment to our lab, or is in-person sample pickup a requirement?

NPS RESPONSE: In-person pickup is required per the Statement of Work. Samples must reach the lab within 24 hours and be kept at 33-38 degrees. Samples are stored in our program¿s refrigerator, located in a building separate from where standard mail services are collected at our facility. An in-person courier from the laboratory ensures appropriate handling and prompt transportation.

Quotations remain due 5:00 p.m. Pacific

Daylight Time (PDT) on Friday, July 10, 2026.

Period of Performance: 07/28/2026 to

07/27/2027

Alex Bernahardt @ alexander_bernhardt@nps.gov is designated as the NPS Technical

Representative for this order and will be responsible for certifying receipt and acceptance of the services rendered.

Sponsored by GSA FAR (48 CFR) 53.110