PWT Expands Helena Office

PWT’s Montana office has moved to 54 North Last Chance Gulch, Helena, to accommodate three new employees … (More)

PWT Wins GSA, Fort Carson Contracts

PWT, as a team member with prime contractor the Arcanum Group, was awarded a five-year contract to … (More)

Pacific Western Technologies, LTD | Environmental Investigation

Environmental Investigation

PWT investigates potentially contaminated sites using the most current understanding of sampling strategies, sampling design, and real-time sampling-and-analysis technologies in conjunction with proven practices to creatively and cost-effectively produce a comprehensive understanding of each site.

We offer expert-level investigation services:

  • Phase I and Phase II-level investigations
  • Remedial investigation/feasibility studies
  • Risk assessment support
  • Soil, groundwater, surface water, and air investigations and analyses
  • Engineering evaluation and cost analyses
  • Public participation/community involvement
  • Geographic Information Systems
  • Environmental Impact Statements
  • Environmental Site Assessments

“PWT also provided outstanding turnaround support for the intensive daily sampling monitoring which resulted in the discovery of Lewisite at the RMA.” EPA Performance Evaluation Report

Environmental Services   |   Environmental Design   |   Construction/Remediation
Regulatory Compliance   |  Sustainability/Green Energy   |  Military Munitions

Environmental Case Study:

Arsenal published paper

Innovative Cover Design Construction Completed Successfully

Much of the remediation at RMA is clean-up and on-site disposal of hazardous waste.  In the U.S. there are strict requirements for how that waste is disposed and covered. Methods that use synthetic covers have been the accepted standard, but at RMA an innovative alternative cover system was developed by the Army, with detailed involvement by EPA including engineering support and technical analysis … (More)

Sampling Bountiful

PCE Groundwater Treatment

Bountiful, Utah A migrating plume of Perchloroethylene (PCE) from a dry cleaning business in Bountiful, Utah contaminated groundwater, affected residents and livestock, and necessitated an EPA remedial action. PWT designed an innovative remedial  groundwater treatment system to address the contamination that reduced physical impact, improved operating efficiency, and reduced costs. As part of … (More)