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Calcium Thiosulfate Solution Manufacturer/Supplier

Active

State & Local

Response Deadline11/03/2026, 06:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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This subcontract involves the manufacture and supply of Calcium Thiosulfate solution for prime contractors working on Zone 7 Water Agency water treatment projects. The supplier is responsible for providing a solution with a concentration of at least 23.5 percent by weight and a pH level maintained between 6.0 and 8.0. All products must be packaged and delivered in 275-gallon IBC Totes. To be eligible for this contract, the supplier must undergo SAM verification to ensure they are not debarred. The solicitation was posted on October 13, 2026, with a response deadline of November 3, 2026. This procurement falls under NAICS code 325998 and is managed by the Operations agency in California.

General Info

Supply 23.5% Calcium Thiosulfate in 275-gallon totes for Zone 7 Water Agency projects.

Agency

California → Operations

NAICS

325998 - All Other Miscellaneous Chemical Product and Preparation Manufacturing

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of RFQ-2026-026.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

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Calcium Thiosulfate Solution

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Timeline

PostedOct 13

subcontract

Response DeadlineNov 3

Submission deadline

Response Deadline

11/03/2026, 06:00:00 PM UTCin 13 days

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Organization & Contact Information

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AgencyCalifornia → Operations

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Operations

Office AddressN/A

ContactsNo contact information available

Full Description

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Supplies Calcium Thiosulfate solution for prime contractors on Zone 7 Water Agency water treatment projects. Manufactures or sources CaS2O3 solution with a concentration of >= 23.5% by weight and a pH between 6.0 and 8.0. Packages the solution in 275-gallon IBC Totes. Requires SAM verification for non-debarment. Delivers 275 Gallon IBC Totes of Calcium Thiosulfate Solution meeting specified concentration and pH.

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