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ENV-2026-04409

In reviewEnvironmental

Drinking Water — Distribution Point D-12

Route for review Add to report
81Integrity

2

Findings

1

Critical

1

Cleared

Method
EPA 537.1 — PFAS by LC-MS/MS
Instrument
Waters Xevo TQ-S micro
Analyst
J. Whitfield
Sample ID
ENV-S91991
Batch
B-2234
Source
manual_entry
Collected
Jun 11, 2026
Scanned
Jun 25, 2026

ALCOA+ findings (2)

Confidence97%Fieldentry_timestamp AI-assisted · human sign-off required
Why flagged
The record's entry timestamp precedes the instrument acquisition time, indicating data was entered out of sequence. Contemporaneous capture requires recording at the time work is performed.
Source evidence
entry_timestamp 09:02 < acquisition_time 11:47 on the same worksheet.
Suggested remediation
Confirm the true acquisition time from raw instrument metadata and correct the entry timestamp with a documented justification.
Reviewer decision
Petra Novak (Reviewer) marked this resolved.
Decision recorded · resolved
Record history

Imported from manual_entry

Jun 11, 2026, 02:20 PM

ALCOA+ integrity scan completed

Jun 25, 2026, 02:20 PM

Backdated entry detected flagged (critical)

Jun 25, 2026, 02:20 PM

Electronic record lacks retention metadata flagged (minor)

Jun 25, 2026, 02:20 PM