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Dennis ByrneLAB DIRECTOR

COC-2026-0352

Chain of Custody · 1 containers · Sampling event SE-2026-0352

Project & Site

ClientBurlington Department of Public Works
ProjectPFAS Source Investigation — North End (BURL-PFAS-2026)
SiteRiverside Well #2 (BURL-PFAS-W2)
Site typedrinking well
SamplerBen Aldrich
CollectedJun 4, 2026 01:32
WeatherCold/clear
Air temp9.1 °C

CoC barcode

Barcode COC-2026-0352
Code 128

Shipping & Cooler

CarrierFedEx
Tracking7895579350413
Cooler IDCLR-168
Cooler temp blank3.1 °C
Tamper seals100715,100716
Seals intact on arrival

Field Readings

pH7.75
Cond (µS/cm)692
DO (mg/L)9.67
Temp (°C)19.1
ORP (mV)337
Turb (NTU)1.74

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume19.1 L
Drawdown0.40 m
Pump rate0.5 L/min
Stabilized3 well volumes

Low-flow purge per ASTM D6452

Custody transfers (1)

#Relinquished byRelinquished atReceived byReceived atSig from / to
1Ben AldrichJun 4, 2026 03:32Endyne CourierJun 4, 2026 03:44Ben Aldrich / T. Hill

Container manifest (1)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-04737250mL polypropyleneicedWATER250INTACTn/aEPA 537.1