CoreProbe International, Inc. (CoreProbe) is an experienced, fully insured, competitive company offering complete direct push services via the Geoprobe System throughout Southern California and other selected western states.  In addition, CoreProbe offers full service environmental and/or geotechnical field services under California Professional Geologists. 

CoreProbe, since its establishment in June 1994, has provided cost effective direct push services via Geoprobe equipment on over 2,200 projects in Southern California.  The geological and engineering expertise of our staff uniquely prepares CoreProbe for a wide variety of projects.  CoreProbe's Federal Tax Identification Number is 95-4747614.  CoreProbe has a C-57 Well Drilling (Water) Contractors License, Haz – Hazardous Substances Removal License and A – General Engineering License (No. 772519).  CoreProbe was recently awarder the General Services Administration (GSA) Multiple Award Schedule (MAS) contract GS-10F-0147U.  In addition, CoreProbe is a certified MBE/DBE/SBE with the City of Los Angeles and a U.S. Small Business Administration (SBA) 8(a) Business Development (BD) contractor.

CoreProbe was incorporated as a California S-Corporation in 1999 to serve the Southern California Environmental and Geotechnical industry.  At the present time CoreProbe counts with six Geoprobe units, the Geoprobe 6610DT unit is a remote control track rig that provides of road and limited access capabilities capable to drive 3.25” O.D. rods and install up to 1.5” I.D.  pre-packed wells.  This rig has more power than the other Geoprobe units. The 5410 Geoprobe unit mounted on a Ford F-350 4 x 4 pick up truck, the 5400 Geoprobe unit mounted on a Ford F-350 4 x 4 pick up truck, the 4220 Geoprobe unit mounted on an all terrain 4 x 4 Kawasaki Mule, the Geoprobe 540M Limited Access Rig (LAR) dolly mounted unit with a remote Stanley power unit and finally the Geoprobe 420M dolly mounted ultra LAR (Badger) capable of reaching extremely tight places with a remote power unit.

All CoreProbe’s Geoprobe units are capable to collect undisturbed soil, soil gas and groundwater samples via Dual Tube, Large Bore, Macro Core, MC5,  PRT Connector/vac-pump and Screen Point 15 &16 samplers respectively.  In addition, the 6610, 5410 and 5400 Geoprobe units are equipped with Cone Penetration Testing (CPT) capabilities.  All CoreProbe Geoprobe units have the capability to install small diameter pre-packed wells for both vadose zone and groundwater saturated zone.  Moreover, the CoreProbe Injection Trailer counts with the DP 800 Geoprobe injection pump gives the versatility to do ORC, HRC and other chemical injections and the GS 1000 grout pump provide tremie well and boring abandonment.
CoreProbe’s subsurface investigation equipment includes the 2004 Pacific Tek model PVW-220S vacuum excavation system for subsurface utility clearance (pot holing).  This rig complements the already impressive CoreProbe’s Geoprobe Direct Push fleet.  This new vacuum system is mounted on a Chevrolet C2500HD to minimize site encroachment.  The PVW-220S vacuum excavation system was specially designed to suit the Direct Push Technology industry and to eliminate the need to schedule multiple vendors.