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Dennis ByrneLAB DIRECTOR

COC-2026-0331

Chain of Custody · 2 containers · Sampling event SE-2026-0331

Project & Site

ClientBurlington Department of Public Works
ProjectWastewater NPDES Compliance (BURL-NPDES)
SiteMain WWTP Outfall 001 (BURL-WWTP-001)
Site typewastewater discharge
SamplerNina Petrov
CollectedMay 30, 2026 01:32
WeatherClear
Air temp9.8 °C

CoC barcode

Barcode COC-2026-0331
Code 128

Shipping & Cooler

CarrierEndyne Courier
TrackingEC-61010
Cooler IDCLR-792
Cooler temp blank4.8 °C
Tamper seals100673,100674
Seals intact on arrival

Field Readings

pH7.29
Cond (µS/cm)355
DO (mg/L)5.79
Temp (°C)16.2
ORP (mV)258
Turb (NTU)4.94

Captured per ISO 5667 at the point of collection

Groundwater Purge

Purge volume26.4 L
Drawdown0.53 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 30, 2026 04:32Endyne CourierMay 30, 2026 05:28Nina Petrov / T. Hill

Container manifest (2)

AccessionContainerPres.MatrixVolReceipt cond.pH chkTests
ENV-2026-046961L plasticicedWASTEWATER1000INTACTn/aSM 5210B, SM 2540D
ENV-2026-04697250mL HDPEHNO3WASTEWATER250INTACT1.4EPA 6020B