ENV-2026-04450

In reviewEnvironmental

Groundwater Monitoring Well MW-7

Route for review Add to report

61Integrity

Findings

Critical

Cleared

Method: EPA 6020B — Metals by ICP-MS
Instrument: Agilent 8890 GC
Analyst: A. Fontaine
Sample ID: ENV-S83910
Batch: B-2224
Source: manual_entry
Collected: Jun 16, 2026
Scanned: Jun 22, 2026

ALCOA+ findings (3)

Confidence83%Fieldsample_id AI-assisted · human sign-off required

Why flagged

The sample identifier on the bench worksheet does not match the identifier in the instrument sequence. Inconsistent identifiers create ambiguity about which sample produced the result.

Source evidence

Worksheet shows ENV-2026-04412; sequence file lists ENV-2026-04421.

Suggested remediation

Reconcile the identifiers against the chain-of-custody form and correct the mismatched field with a documented note.

Reviewer decision

Daniel Chen (Reviewer) marked this approved.

Decision recorded · approved

Record history

Imported from manual_entry

Jun 16, 2026, 02:20 PM

ALCOA+ integrity scan completed

Jun 22, 2026, 02:20 PM

Sample ID mismatch across worksheet flagged (major)

Jun 22, 2026, 02:20 PM

Transcription differs from instrument export flagged (critical)

Jun 22, 2026, 02:20 PM

Transcription differs from instrument export flagged (critical)

Jun 22, 2026, 02:20 PM