• Hollow-Stem Auger of 2-1/4",4-1/4" • Installation of NR-141 Monitoring Wells • Direct Push Sampling both Macro-Core and Dual-Tube • Installation of Wells from 3/4" through 2" (depending on depth) • Concrete Coring from 1" to 12" Diameter Holes • Restricted Space Drilling with Use of Mini Geoprobe rig andManual Drilling Equipment • PRT Vapor Sampling • Installation of Injection Wells