The Amplified Geochemical Imaging® Survey (formerly known as the GORE-SORBERTMSURVEY) is the most accurate, comprehensive, and proven passive sampling technology, which allows environmental consultants to identify and map volatile and semi-volatile organic compounds in air, soil and water. The survey is used for site assessment, optimizing remediation programs and monitoring, vapor intrusion investigations, and surface and ground water sampling and monitoring. The survey includes universal passive samplers, analysis, data reporting in spreadsheet format, contaminant contour mapping, and a final report, in paper and electronic formats.

The unique construction of the universal passive sampler allows it to be placed in unsaturated and saturated soils, sediments, groundwater and other aqueous environments, beneath building slabs and other paved areas, and in outdoor and indoor air environments. No further modification or calibration to the sampler is necessary to sample any of these environments, making it a universal sampler.

Yes, the survey is well-suited for vapor intrusion investigations. The high sensitivity, minimal data variability and accuracy of a passive, time-integrated, sorbent-based sampler, combined with the simple and unobtrusive installation in soils, beneath slabs, and in air, makes the Amplified Geochemical Imaging® Survey a viable and effective sampling alternative to active vapor sampling methods. The Amplified Geochemical Imaging® Survey is an effective initial site characterization tool for vapor intrusion investigations. With the ability to report data in vapor concentration units, risk assessments can also be ascertained.

Yes! The US EPA ETV program verified this application claim. The samplers can be deployed easily in wells as small as one-half inch in diameter. Uptake of compounds dissolved in water is rapid, (typically one hour) and the data can be reported in units of mass and/or concentration. In general, there is a strong correlation between the groundwater data collected passively and with conventional methods. The associated low field costs, non-purge requirements, and unobtrusive sampling make this a viable, effective groundwater sampling alternative.

The feedback continues to be extremely positive, and there has been an overwhelming response to its acceptance by environmental consultants, end-users, and regulators. Users are continually impressed with the versatility of the collector, the quality of the data, and the level of technical support. With the concentration reporting capability, the survey is more versatile.

The Amplified Geochemical Imaging® Survey was introduced in late 1992. Since that time, over 3,000 surveys have been completed worldwide, for virtually all site types and geological and climatological conditions – in air, soil and water.

Undersampling! In an effort to save money, undersampling during the site characterization part of the environmental investigation may occur. In other words, not enough samples are collected to characterize the site properly. Questions pertaining to the subsurface impact are inadequately answered, leading to uncertainty, an unhappy client, and additional regulator scrutiny. The next phase is to expand the soil gas survey, which increases the overall project cost, and adds significant time to the site investigation for all parties involved. Undersampling should be avoided.