QA/QC Program for Field Testing, Laboratory Work & Reporting

The QA/QC program of Quartet Engineers is designed to produce consistent field observations, controlled laboratory results, traceable records and decision-ready reports. Quality controls begin with scope review and continue through personnel assignment, testing, report review, corrective action and record retention.

Furthermore, we follow Section 7.7 of ISO 17025 for “Ensuring the validity of results.” Pre-defined criteria for acceptance of quality control data are established, and plans are documented in terms of actions to be taken when data is outside of the pre-defined criteria. We have a procedure for monitoring the validity of results, and the resulting data is recorded in such a way that trends are detectable, and where practicable, statistical techniques are applied to review the results. The review of the Log for Test Result Validity is done in the second quarter of each year to ensure that we maintain the highest level of quality control and assurance for our clients.

CREDENTIAL DISTINCTIONS

A2LA

The laboratory accreditation body that evaluates and accredits the approved scope.

ISO/IEC 17025

The competence standard against which the laboratory is accredited for the listed methods.

NIST Traceability

A measurement-traceability concept supported by specific calibration records; not a blanket company accreditation.

Technician Certifications

Individual qualifications for particular testing and inspection disciplines and certification levels.

Internal QA/QC

The operational controls Quartet Engineers uses for assignments, methods, equipment, samples, reports and corrective action.

Accreditation Scope

The authoritative list of methods and activities covered by the current laboratory accreditation.

INSURANCE COVERAGE

Confirmed Insurance Limits

Coverage

Confirmed Limits

Professional Liability

$1 million per claim / $2 million aggregate

General Liability

$1 million each occurrence / $2 million general aggregate / $2 million products-completed operations aggregate

Workers' Compensation

$1 million accident / $1 million employee disease / $1 million policy disease

Automobile Liability

$1 million combined single limit

Umbrella / Excess

$2 million occurrence / $2 million aggregate

Quartet Engineers maintains current professional and commercial insurance appropriate to its services. Current Certificates of Insurance (COIs) are available during proposal preparation, contracting, or vendor onboarding upon request.