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Dennis ByrneLAB DIRECTOR

COC-2026-0342

Chain of Custody · 2 containers · Sampling event SE-2026-0342

Project & Site

ClientVHB Engineering
ProjectUnderground Storage Tank Closure — Nashua (VHB-UST-NASH)
SiteNashua UST Site MW-2 (VHB-UST-MW2)
Site typedrinking well
SamplerBen Aldrich
CollectedMay 27, 2026 01:32
WeatherClear
Air temp20.2 °C

CoC barcode

Barcode COC-2026-0342
Code 128

Shipping & Cooler

CarrierFedEx
Tracking7321722454577
Cooler IDCLR-715
Cooler temp blank4.9 °C
Tamper seals100695,100696
Seals intact on arrival

Field Readings

pH7.22
Cond (µS/cm)425
DO (mg/L)5.71
Temp (°C)12.5
ORP (mV)228
Turb (NTU)1.71

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume14.3 L
Drawdown0.20 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 AldrichMay 27, 2026 04:32Endyne CourierMay 27, 2026 05:04Ben Aldrich / T. Hill

Container manifest (2)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-0471640mL VOA vialHClWATER40INTACT1.2EPA 8260C
ENV-2026-047171L amber glassicedWATER1000INTACTn/aEPA 8015C