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  5. ›Hexavalent Chromium Groundwater Sampling

Zone 7 Water Agency·California

Hexavalent Chromium Groundwater Sampling

Closes 9/14/2026$50k – $100kRequest for Quotation
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Description

The Zone 7 Water Agency is seeking a qualified contractor to perform groundwater sampling for hexavalent chromium and other compounds. The contractor will be responsible for collecting and delivering samples to the Agency's laboratory, as well as performing field instrument calibration and sample storage and delivery. The contract will be for a period of one year, with the possibility of extension. The Agency anticipates the need for up to 150 samples, with a maximum sampling frequency of 25 samples per month. • The contractor must have experience in hexavalent chromium groundwater sampling and must possess all necessary permits and licenses. • The contractor must comply with all applicable federal, state, and local regulations. • The contractor must provide a list of all sampling equipment proposed for use in performing the required sampling work. • The contractor must acknowledge the insurance requirements and provide applicable insurance certificates prior to starting the contract.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Mike Garguilo(Purchasing Agent)

[email protected]

(925) 454-5061

Key dates

Opened
8/17/2026
Questions due
8/28/2026
Closes
9/14/2026
Duration
1 year

Last updated

Details

Type
Request for Quotation
Industry
Environmental Services
NAICS
541620
Solicitation №
RFQ-2026-012

Budget estimate

$50,000 – $100,000

The budget for this contract can be estimated based on the number of samples and the cost per sample. Assuming an average cost of $500 per sample, the total budget for 150 samples would be $75,000. However, this is just an estimate and the actual budget may vary depending on the contractor's bid and the Agency's budget. Factors that may influence the likely payment range include the complexity of the sampling work, the location of the sampling sites, and the availability of qualified contractors.

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