GSA Federal Acquisition Service
For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111

Geophysical Analysis
MAS Multiple Award Schedule - Available offerings include commercial goods and services organized by 12 Large Categories, corresponding Subcategories, and SINs.

MAS Category list:

Download Contractors (Excel)
Scientific Management and Solutions - Laboratory Equipment
Category Description
334513 Water, Air, Soil and Seismic Measuring - Includes water current meters, seawater sampling, and salinity measuring equipment.
334519ENV Environmental Measuring Instruments - Includes a variety of measuring instruments, such as manual and automatic samplers, water quality meters, water analyzers, radioactivity detectors, air sampling equipment, gas alarms, etc.
Subgroups (not all vendors have been placed within the following subgroups. To view a complete list of vendors, click on the SIN)
  Air Sampling Equipment, Automatic Gas Alarms
  Atmospheric, Meteorological Platforms, Enclosures And Sondes
  Environmental Data Loggers And Communication Equipment
  Humidity, Precipitation and Wind Measuring Instruments
  Liquid/ Gas Flow Measuring Instruments, Liquid Level Measuring Instrument
  Multiparameter Environment And Flood Data Acquisition Systems
  Multi-Parameter Water Quality Instruments, Meters and Analyzers
  Noise Analyzers
  Radioactivity Detectors
  Stack Emission Measuring Equipment, Gas Analyzers, Monitors, Particle Analyzers/Detectors
  Water Monitors