Tool Selection Guide

CYBERSENSE FIELD TOOL REFERENCE GUIDES
As part of our efforts as the leading independent UK field tool supplier, we have put together the following Reference Guides for contaminant groups to help the user select the right tool for particular applications.

HYDROCARBON FIELD TOOL REFERENCE GUIDE

PetroFLAG

PetroFLAG is a rapid and simple field testing procedure for broad range hydrocarbon contamination in soil. The system displays highest sensitivity to heavier hydrocarbons and provides quanttive or semi-quantitive results for up to 14 fuel types. Petroflag uses patented chemistry and can test up to 10 samples at a time

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X-Ray fluorescence Spectroscopy (XRF)

XRF has been used for metal detection and quantification for over 60 years. It has earned its reputation as one of the most accepted and simplest analytical methods in existence for total metals analysis

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Immunoassay Analytical Kits

Immunoassay test kits (EPA SW-846 Method - 4000 series) are rapid and simple field testing procedures for a diverse range of contaminants. Immunoassay kits detect and bind target compounds using the specific binding characteristics of antibodies. They can produce quantitive or semi-quantitive results depending on the kit-type utilized and can test from 5-50 samples per hour. The systems are designed to be specific to many compound groups such as BTEX, PAHs, PCB, dioxins and explosives

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ROTAS (Rapid On-site Toxicity Audit System)

ROTAS (Rapid On-site Toxicity Audit System) is designed for the rapid field-based assessment of toxicity using bacterial bioluminescence. The system is based on a rugged portable luminometer which measures light output from the bacterial reagent. The system can be calibrated on-site to action trigger levels for a range of compounds and can process 40 samples in an hour

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SiteLAB UV Fluorescence

Ultraviolet Fluorescence (UVF) is a very selective detection method, useful for testing many types or organic environmental contaminants. The principle of operation relies on the electronic configuration of the molecular structure for each contaminant. Aromatic hydrocarbons, which include double-bonded carcinogenic compounds, like benzene and toluene, both excite and emit energy at specific wavelengths. The fluorescence response of each sample is then quantitated on a 5-point liner calibration curve using certified standards sensitive to the wavelengths of interest. After performing the sample extraction step, the UVFs actual analysis time is less than 5 seconds.

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RemediAid

The RemediAid kit is a rapid, simple test kit for measuring aromatic petroleum hydrocarbon contamination in soil. The test is based upon the Friedel-Crafts Reaction with on fundemental difference - the intermediate that is formed in the solvent is the coloured species that is measured. The RemediAid kit determines TPH across a wide range of soil types and petroleum products. RemediAid allows the user to analyze for specific fractions, including: BTEX, PAH, diesel fuel, leaded and unleaded gasoline, weathered gasoline, brent crude and lubricating oil.

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PID

The MiniRAE is a specific compound monitor with a combination filter tube and photo ionisation detector (PID) used for swift detection of hazardous compounds in the air. Detection is based on an ultraviolet light source that ionises compounds causing them to become electrically charged. These charged particles produce a current that is easily measured at the sensor electrodes and directly proportional to the concentration of contaminant in the gas sample. Interchangeable filter tubes are available for specific contaminant detection.

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In-situ Probes

ROST The Rapid Optical Screen Tool (ROST™), also called LIF, is a Laser-Induced Fluorescence sensor deployed by Cone Penetration Testing (CPT) equipment to characterise stratigraphy and petroleum hydrocarbons in soil. ROST™ employs a laser that pulses light down a fibre optic cable to a sapphire window on the side of the CPT probe. This pulsed light causes petroleum hydrocarbons to emit fluorescence, which is transmitted in real-time to a detection system within the CPT work area. MIP The Membrane Interface Probe (MIP) is deployed from a Cone Penetration Testing (CPT) unit to identify volatile organic carbon (VOC) contamination in real-time. The MIP collects almost continuous vertical profiles of contamination distribution that are subjected to subsequent gas detectors (PID, FID, ECD, DELCD), generating 3D contours of the contaminant plume.

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GC/MS

The HAPSITE is the only man-portable, gas chromatograph/mass spectrometer (GC/MS) proven to provide verifiable data. The machine weighs 16 kg and can be carried over the shoulder. The GC/MS can be used for the on-site analysis of volatile organic compounds (VOCs) in air, water, and soil. When testing VOCs, the Hapsite uses a sampling wand with an internal pump to collect the sample, which is then pulled into a sample loop with variable injection capabilities. A backflush column allows volatiles onto the column whilst backflushing off the non-target semi-volatiles. Soil and water samples are loaded into glass vials, placed in an attachable oven (Hapsite Headspace Sampling System), and heated to a pre-selected temperature. When equilibrium has been established, the headspace in the vial is flushed with a VOC-free carrier and drawn into the machine, where the VOCs are identified and measured. The GC/MS is battery powered and lasts in the field for three hours between recharges.

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