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Dennis ByrneLAB DIRECTOR

COC-2026-0336

Chain of Custody · 3 containers · Sampling event SE-2026-0336

Project & Site

ClientWhitman & Sons (Homeowner)
ProjectPrivate Well Annual (WHITMAN-WELL)
SiteWhitman Residence — Drilled Well (WHITMAN-W1)
Site typedrinking well
SamplerJames Hartwell
CollectedMay 19, 2026 19:32
WeatherLight rain
Air temp12.9 °C

CoC barcode

Barcode COC-2026-0336
Code 128

Shipping & Cooler

CarrierUPS
Tracking1ZDTWNXDNLJBQ6NX4J
Cooler IDCLR-584
Cooler temp blank2.1 °C
Tamper seals100683,100684
Seals intact on arrival

Field Readings

pH6.81
Cond (µS/cm)701
DO (mg/L)9.76
Temp (°C)12.2
ORP (mV)257
Turb (NTU)2.96

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume40.5 L
Drawdown0.63 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 19, 2026 23:32Endyne CourierMay 20, 2026 00:01James Hartwell / T. Hill

Container manifest (3)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-0470540mL VOA vialHClWATER40INTACT1.5EPA 524.2
ENV-2026-04706250mL HDPEHNO3WATER250INTACT1.8EPA 200.8
ENV-2026-04707120mL sterileicedWATER120INTACTn/aSM 9223B