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Lead in Soil of Historical Property


Soil samples collected from key locations from the grounds of a 200 year old building in New England illustrate expected variations in Lead (Pb) content. A DELTA analyzer configured in SmartShot Soil analysis mode was used to analyze the samples. Spectral data is shown using the DELTA PC Software.

Detla Handheld XRF with soil samples

Data Software results.

Sampling

A DELTA handheld XRF analyzer, configured in SmartShot soil analysis mode, was used to run repeat measurements on a reference soil sample, to demonstrate repeatability. As shown below, the DELTA PC Software can be used to overlay spectra from different readings for direct comparison and analysis.

Delta Handheld XRF Analyzer

Soil Data

A reference sample spiked with approximately 500ppm Pb (sample 408) was used for these repeat readings.

Each reading was analyzed for 60 seconds.

+/- error shown is 2-sigma, 95% confidence.

Sample Run Pb ppm Value +/-
1 511 7
2 512 7
3 514 7
4 521 7
5 514 7
Avg 514 7
Olympus IMS
Products used for this application

DELTA Environmental Handheld XRF Analyzers test for dangerously high levels of RCRA, Priority Pollutant and hazardous metals in seconds. HHXRF is used for soils and sediments according to EPA 6200 and other SOPs, filters per NIOSH or OSHA methods, screening surfaces and measuring dust wipes for Pb, Cd, Cr, As, Hg, and more.
Combining a Silicon Drift Detector (SDD) and a 4W optimized X-ray tube, the DELTA Professional provides superior performance in speed, LODs, and elemental range. It analyzes Mg and higher for Alloys and Mining. The DELTA Professional is the best value solution from Olympus for handheld XRF.
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