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Dennis ByrneLAB DIRECTOR

COC-2026-0380

Chain of Custody · 3 containers · Sampling event SE-2026-0380

Project & Site

ClientWhitman & Sons (Homeowner)
ProjectPrivate Well Annual (WHITMAN-WELL)
SiteWhitman Residence — Drilled Well (WHITMAN-W1)
Site typedrinking well
SamplerJames Hartwell
CollectedMay 20, 2026 01:32
WeatherLight rain
Air temp12.0 °C

CoC barcode

Barcode COC-2026-0380
Code 128

Shipping & Cooler

CarrierEndyne Courier
TrackingEC-49617
Cooler IDCLR-378
Cooler temp blank3.9 °C
Tamper seals100771,100772
Seals intact on arrival

Field Readings

pH7.66
Cond (µS/cm)328
DO (mg/L)8.15
Temp (°C)12.4
ORP (mV)321
Turb (NTU)4.05

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume31.1 L
Drawdown0.37 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 20, 2026 02:32Endyne CourierMay 20, 2026 02:42James Hartwell / T. Hill

Container manifest (3)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-0480340mL VOA vialHClWATER40INTACT1.4EPA 524.2
ENV-2026-04804250mL HDPEHNO3WATER250INTACT1.3EPA 200.8
ENV-2026-04805120mL sterileicedWATER120INTACTn/aSM 9223B