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Dennis ByrneLAB DIRECTOR

COC-2026-0334

Chain of Custody · 3 containers · Sampling event SE-2026-0334

Project & Site

ClientWhitman & Sons (Homeowner)
ProjectPrivate Well Annual (WHITMAN-WELL)
SiteWhitman Residence — Drilled Well (WHITMAN-W1)
Site typedrinking well
SamplerJames Hartwell
CollectedMay 26, 2026 17:32
WeatherClear
Air temp6.8 °C

CoC barcode

Barcode COC-2026-0334
Code 128

Shipping & Cooler

CarrierUPS
Tracking1ZW795O5TMULSOHIIZ
Cooler IDCLR-239
Cooler temp blank3.3 °C
Tamper seals100679,100680
Seals intact on arrival

Field Readings

pH7.23
Cond (µS/cm)451
DO (mg/L)4.87
Temp (°C)15.5
ORP (mV)298
Turb (NTU)2.95

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume28.3 L
Drawdown0.56 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
1James HartwellMay 26, 2026 21:32Endyne CourierMay 26, 2026 22:35James Hartwell / T. Hill

Container manifest (3)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-0470140mL VOA vialHClWATER40INTACT1.4EPA 524.2
ENV-2026-04703120mL sterileicedWATER120INTACTn/aSM 9223B
ENV-2026-04702250mL HDPEHNO3WATER250INTACT1.5EPA 200.8