The Reston Groundwater Dating Laboratory

Shipping Samples

All samples must be accompanied by a sample submission spreadsheet.

There is no Saturday pickup of samples.

Samples shipped in coolers or containers that the sender wishes to have returned must be accompanied by a prepaid FEDEX shipping label charged to the sender's account. Any cooler or container not accompanied by a prepaid FEDEX return label will not be automatically returned.

Ship samples for analysis of CFCs, SF6, Dissolved gas N2/Ar, and Low-Level VOCs at the Reston USGS labs to the address below. Send all correspondence having to do with shipping to

Groundwater Dating Laboratory
Mail stop 432 Room 5B353
12201 Sunrise Valley drive
Reston, VA 20192
phone 703-648-5347 or 5847