JEFO_RAF_ESO_LEHR_Logical_Follow_On_1.pdf

JUSTIFICATION FOR FAIR OPPORTUNITY EXCEPTION

S N .: 68HE0925R0009

C N .: 68HE0118D0010

T O N .: 68HE0925F0045

C : TECH A INC

P N : E -R H R O C EHR

S S ID - 09 J EPA ID CA2890190000

statutory authority of 41 U.S.C. 253(c).

I. O A ce.

II. A TO C N T O N

Laboratory for - (Contract No.

68HE0118D0010, 68HE ).

III. D s S s O e scope of this sole-source contract is to provide con nued expert technical assistance support fo the Laboratory for total estimated s $551,775.32 performance period is March 14, 2025 to March 13, 2028 -

IV. R

when fair opportunity is

16.505(b)(2)(i)(C), the order must be issued on a sole-source basis in the interest of economy ow-on to an order already issued under the contract, order.

B

- (LEHR)

consists of two areas – -Davis

- -level ed were radium-226,

- -14.

chloroform, hexavalent chromium, nitrate, 1,2,3-tric 1,2-dichloropropane, and 1,4-dioxane.

issued

Five-Year Reviews to ensure that the cleanup remains

- - the need

, and how to address anomalous hexavalen

-Year Review that is scheduled for 2026.

spread of contam 5 or 2026

-layer caps where contaminated soil and solid waste remains in place exposure;

Exp expected.

i -

S s D s 02/

01/2011 UCD Soil Record of Decision 2016

-Year Review 08/2021 12/2023 site

J s S FAR 16. 0 2 C review post- .

services described herein for the LEHR RAF- Contract 68HE0118D0010

-informed decision-s-

-era cted extensive document reviews and is familiar with the volumes

Consent Decree, a assessments, and decision-expert technical assistance at LEHR

-site support on short

C s LEHR for the UCD part of the site, as well of the site -specific -critical needs for expert technical assistance at the level of quality required because of their historical and cur support for the s cleanup efforts and ensure compliance with applicable laws and support at the level of quality required for LEHR contractor would need to revisit extensive amount of and UCD, s is the this to Fair has been used for this requirement.

F R s Cost D t t o will evaluate the for the order to determine that the costs to the ts were

68HE0118D0010.

w the anticipated level of effort to ensure that it is consistent with the required by the follow-d only for actual expenses incurred that are determined

O o B s to Co t t o tunity to be considered.

A o s Reviews and approvals must be performed in accordance with EPA Guide 1.6

A and FAR 16.505(b)(2)(ii)(C).

i available the at www and on the website of the which may provide access to the by to for a minimum of 30 days.

In accordance with FAR l 6.505(b)(2)(ii)(C), I certify the rationale and supportin data which forms the basis of this stification as complete and accurate. As such, this stification is approved.

Date

Date

___Not Applicable_____________________________________

Date (Required for orders )

SAMANTHA WATTS

Digitally signed by SAMANTHA

WATTS

Date: 2025.01.23 13:36:01 -08'00'

REDE SHIFFERAW

Digitally signed by REDE

SHIFFERAW

Date: 2024.11.20 16:53:29 -08'00'

1/23/25

Date (Required for orders )

Senior Procurement Executive Date (Required for orders )