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Dennis ByrneLAB DIRECTOR

COC-2026-0346

Chain of Custody · 3 containers · Sampling event SE-2026-0346

Project & Site

ClientWhitman & Sons (Homeowner)
ProjectPrivate Well Annual (WHITMAN-WELL)
SiteWhitman Residence — Drilled Well (WHITMAN-W1)
Site typedrinking well
SamplerNina Petrov
CollectedMay 17, 2026 00:32
WeatherOvercast
Air temp19.5 °C

CoC barcode

Barcode COC-2026-0346
Code 128

Shipping & Cooler

CarrierUPS
Tracking1Z8LAMRCV08FLFO5IW
Cooler IDCLR-556
Cooler temp blank3.7 °C
Tamper seals100703,100704
Seals intact on arrival

Field Readings

pH7.54
Cond (µS/cm)619
DO (mg/L)8.56
Temp (°C)15.0
ORP (mV)167
Turb (NTU)4.96

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume27.9 L
Drawdown0.17 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
1Nina PetrovMay 17, 2026 02:32Endyne CourierMay 17, 2026 02:39Nina Petrov / T. Hill

Container manifest (3)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-0472440mL VOA vialHClWATER40INTACT1.4EPA 524.2
ENV-2026-04725250mL HDPEHNO3WATER250INTACT1.4EPA 200.8
ENV-2026-04726120mL sterileicedWATER120INTACTn/aSM 9223B