Project & Site
ClientBurlington Department of Public Works
ProjectPFAS Source Investigation — North End (BURL-PFAS-2026)
SiteRiverside Well #1 (BURL-PFAS-W1)
Site typedrinking well
SamplerNina Petrov
CollectedMay 31, 2026 00:32
WeatherCold/clear
Air temp0.9 °C
CoC barcode
Shipping & Cooler
CarrierFedEx
Tracking7181848639273
Cooler IDCLR-396
Cooler temp blank3.7 °C
Tamper seals100749,100750
Seals intact on arrival
Field Readings
pH7.06
Cond (µS/cm)697
DO (mg/L)4.30
Temp (°C)13.9
ORP (mV)202
Turb (NTU)1.46
Captured per ISO 5667 at the point of collection
Groundwater Purge
Purge volume15.6 L
Drawdown0.12 m
Pump rate0.5 L/min
Stabilized3 well volumes
Low-flow purge per ASTM D6452
Custody transfers (1)
| # | Relinquished by | Relinquished at | Received by | Received at | Sig from / to |
|---|---|---|---|---|---|
| 1 | Nina Petrov | May 31, 2026 01:32 | Endyne Courier | May 31, 2026 01:47 | Nina Petrov / T. Hill |
Container manifest (2)
| Accession | Container | Pres. | Matrix | Vol | Receipt cond. | pH chk | Tests |
|---|---|---|---|---|---|---|---|
| ENV-2026-04775 | 250mL polypropylene | iced | WATER | 250 | INTACT | n/a | EPA 537.1 |
| ENV-2026-04776 | 40mL VOA vial | HCl | WATER | 40 | INTACT | 1.6 | EPA 8260C |