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All records

ENV-2026-04426

In reviewEnvironmental

Soil Boring SB-14 Composite

Route for review Add to report
63Integrity

4

Findings

2

Critical

1

Cleared

Method
EPA 8260D — Volatile Organics (GC/MS)
Instrument
Sciex Triple Quad 6500+
Analyst
H. Yoon
Sample ID
ENV-S55215
Batch
B-2280
Source
scanned_coc_packet.pdf
Collected
Jun 3, 2026
Scanned
Jun 21, 2026

ALCOA+ findings (4)

Confidence99%Fieldreported_value AI-assisted · human sign-off required
Why flagged
A reported value was edited after it had moved to an approved state, and no change reason was captured. Silent edits to original data break the chain of custody.
Source evidence
Value changed 18.4 → 12.1 µg/L; no entry in change_reason; edit timestamp post-dates approval.
Suggested remediation
Revert to the original instrument value or attach a signed change-control note documenting the reason, prior value, and authorizing reviewer.
Reviewer decision
Awaiting a reviewer. No decision recorded yet.
Record history

Imported from scanned_coc_packet.pdf

Jun 3, 2026, 02:20 PM

ALCOA+ integrity scan completed

Jun 21, 2026, 02:20 PM

Result modified after approval without reason flagged (critical)

Jun 21, 2026, 02:20 PM

Timezone inconsistency in timestamps flagged (minor)

Jun 21, 2026, 02:20 PM

Electronic record lacks retention metadata flagged (minor)

Jun 21, 2026, 02:20 PM