Environmental Sampling & Monitoring


At EST, we understand that the collection of accurate and representative samples are one of the first and most critical steps towards the generation of accurate laboratory analytical data. EST has the experience and depth of resources to ensure that the samples we collect are representative and legally defendable. Our sampling programs are driven by established protocols and extensive Quality Assurance/Quality Control (QA/QC). In addition, EST’s sampling programs are executed by some of the most reliable and qualified staff in the industry.


Wastewater Compliance Sampling

Wastewater samples for permit compliance including the collection of representative composite samples and grab samples

Groundwater Monitoring

Collection of groundwater samples in accordance with the US EPA’s Low Flow Purging and Sampling Procedures.

Stormwater Sampling

Equipped to support all weather contingent field services related to National Pollutant Discharge Elimination System (NPDES) permits. 

Soil & Sediment Sampling

Surficial samples (0-6 inches) to continuous samples collected via Geoprobe TM or conventional drilling methods.

Soil Vapor Intrusion (SVI)

Identify chemical vapors that might be migrating through subsurface soils or underground utilities

New England Office

51 Fremont Street Needham, MA 02494

Mid-Atlantic Office

127-G Gaither Drive Mount Laurel, NJ 08054