Quality & Audit

ISO/IEC 17025 accreditation, QC performance and a tamper-evident audit trail

QC pass rate

97.2%

1.1%30-day

Open CAPAs

3

1 overdue

Signed records

214

this quarter

Data integrity

100%

no gaps
Full sample audit trail

Complete lifecycle for GW-2026-0412 — every addition, change and release with user, timestamp, previous/new value and reason.

21 CFR 11 · tamper-evident

  1. Registered

    2026-06-24 13:40
    —Status: Received
    By T. Nguyen · Sample ReceiverReason: Inbound accession

  2. Barcode printed

    2026-06-24 13:41
    —Barcode 8412 0091 2261
    By T. Nguyen · Sample ReceiverReason: Label generated

  3. Seal checked

    2026-06-24 13:43
    UnverifiedSeal intact: Yes
    By T. Nguyen · Sample ReceiverReason: Receipt inspection

  4. Stored

    2026-06-24 13:55
    ReceivingCold Room A · Shelf 2
    By T. Nguyen · Sample ReceiverReason: Preservation ≤ 6 °C

  5. Assigned

    2026-06-25 09:05
    UnassignedAnalyst: M. Alvarez
    By R. Danvers · Lab ManagerReason: Auto-routed to Water Chemistry

  6. Prepared

    2026-06-26 08:30
    ReceivedStatus: In Prep
    By M. Alvarez · AnalystReason: Purge & trap prep

  7. Assigned to instrument

    2026-06-26 10:22
    —GC/MSD-02 · seq 118
    By M. Alvarez · AnalystReason: Analysis started

  8. Results imported

    2026-06-30 08:02
    Pending62 analytes imported
    By M. Alvarez · AnalystReason: Instrument import SEQ118

  9. QC reviewed

    2026-06-30 09:10
    In AnalysisStatus: QC Review (flagged)
    By S. Whitfield · QC ReviewerReason: Matrix spike 72% below limit

  10. Report approved

    —
    QC ReviewPending corrective action
    By —Reason: Awaiting QC resolution

  11. Report released

    —
    ——
    By —Reason: Not yet released

  12. Sample disposed

    —
    —Retention until 2026-07-08
    By —Reason: Not yet eligible
Accreditations & certifications

Illustrative demo data — not official IDOA accreditation records.

ISO/IEC 17025:2017

Chemical testing — pesticides & water

Active
x
Exp. 2027-03-31

EPA Drinking Water Cert.

Method 524.2 / 353.2

Active
x
Exp. 2026-12-15

USDA Cooperative Agreement

Residue monitoring program

Renewal due
x
Exp. 2026-08-30
QC performance (30 days)
Method blanks within limits100%
x
LCS recovery 85–115%97%
x
Matrix spike acceptance94%
x
Calibration verification passed99%
x
Duplicate RPD ≤ 20%96%
x
ISO/IEC 17025 conformity checklist
Clause-by-clause readiness with supporting evidence.
6/8 conforming
ClauseRequirementEvidenceStatus
4.1ImpartialityImpartiality policy signed 2026-01-15Conforming
6.2Personnel competencyTraining records current for 12 staffConforming
6.4Equipment & calibration1 instrument calibration due within 48hObservation
7.2Method validation18 methods validated & version-controlledConforming
7.5Technical recordsTamper-evident audit trail activeConforming
7.7Quality control of resultsQC pass rate 97.2% (30-day)Conforming
7.8Reporting of resultsCOA templates with e-signature controlConforming
8.7Corrective action1 CAPA overdue — CAPA-2026-014Action required
Electronic signature history
21 CFR Part 11 signature manifest with meaning of signing.

WL-5525 · Glyphosate result set

M. Alvarez · Analyst

Reviewed & approved
2026-06-30 09:14Okta MFA + PIN

Batch QC-2026-0630-A

S. Whitfield · QC Reviewer

QC verified
2026-06-30 08:20Okta MFA + PIN

COA-8841 · RS-2026-1181

R. Danvers · Lab Manager

Released to client
2026-06-29 16:48Okta MFA + PIN

WL-5521 · Atrazine result set

M. Alvarez · Analyst

Reviewed & approved
2026-06-29 15:10Okta MFA + PIN

Sample disposal DSP-2026-0044

R. Danvers · Lab Manager

Authorized destruction
2026-06-29 11:32Okta MFA + PIN
Internal audit schedule
Planned internal, external and management-review audits.

Water Chemistry — EPA 524.2 process

AUD-2026-03 · Lead: S. Whitfield

Internal
2026-07-14Scheduled

Sample receipt & chain of custody

AUD-2026-04 · Lead: R. Danvers

Internal
2026-08-11Scheduled

ISO/IEC 17025 surveillance (A2LA)

AUD-2026-EXT · Lead: A2LA Assessor

External
2026-09-22Scheduled

Annual QMS management review

AUD-2026-MR · Lead: R. Danvers

Management review
2026-10-05Scheduled

Residue lab — QuEChERS method

AUD-2026-02 · Lead: S. Whitfield

Internal
2026-05-19Complete
Accreditation documents
Controlled quality records — certificates, scope and manuals.

ISO_IEC_17025_Certificate_2024-2027.pdf

Certificate · 2024-04-01 · 1.2 MB

Scope_of_Accreditation_Rev8.pdf

Scope · 2026-03-31 · 684 KB

Quality_Manual_Rev12.pdf

Quality manual · 2026-02-10 · 3.4 MB

EPA_Drinking_Water_Certification.pdf

Certificate · 2025-12-15 · 902 KB

A2LA_Assessment_Report_2025.pdf

Assessment · 2025-09-24 · 2.1 MB

Audit trail
TimestampUserRoleActionTarget
2026-06-30 09:14M. AlvarezAnalystSigned analytical result setWL-5525 · Glyphosate
2026-06-30 08:52S. WhitfieldQC ReviewerEdited reporting limitM-AI-HPLC
2026-06-30 08:40R. DanversLab ManagerRegistered new sampleGW-2026-0410
2026-06-30 08:05j.okafor@agr.illinois.govAnalystOkta SSO loginSession started
2026-06-29 17:22R. DanversLab ManagerVoided duplicate worklistWL-5519
2026-06-29 16:03S. WhitfieldQC ReviewerApproved QC batchBatch QC-2261
2026-06-29 14:47M. AlvarezAnalystImported instrument runGC/MSD-02 · seq 118
2026-06-29 11:31T. NguyenSample ReceiverLogged inbound shipment5 samples · USDA