Environmental Expert.com. Newsletter

	Monitoring & Testing E-Zine August 2013

This Month´s Featured Articles, Papers & Reports

Quantitative leak testing for soil gas wells using a commercially available helium tracer shroud
In this paper we present design considerations, use, procedures and validation data for a commercially available Helium tracer soil gas sampling shroud that can be rented from an internationally accredited environmental testing laboratory with soil gas measurement capabilities. Soil Gas Sampling using the Helium shroud technique described in Appendix C, page 57, CA DTSC Soil Gas Advisory Document (March 2010) is employed to ensure valid soil gas samples are collected. Sampling soil gas wells under ...

How to capture noise exposure levels of staff with unpredictable work patterns?
Pulsar Instruments has made assessing and capturing the true noise exposure of workers in a range of settings simple with its innovative noise doseBadge: Model 22. This revolutionary personal noise dosimeter is a self-contained device also known as PSEM, that has no cables, displays or controls, making it the perfect solution for noise dosimetry, as the unit cannot be tampered easily with during measurements. Such device can be found in use in settings ranging from construction sites, transportation ...

Larson Davis, a division of PCB Piezotronics
Larson Davis, a division of PCB Piezotronics, is a world leader in the design, manufacture, and distribution of acoustic and vibration measurement systems used for environmental noise monitoring, workplace noise/vibration exposure, and general noise surveys. The Larson Davis product line includes products such as Type 1 Sound Level Meters, Permanent & Quasi Permanent Outdoor Noise Monitoring Terminals, Environmental Noise Processing Software, Noise & Vibration Dosimeters, Workplace Noise Evaluation / Management Software, and Measurement Microphones. With almost 30 years of experience in the noise measurement market, global sales & service network, and our Total Customer Satisfaction.

Complex Mixture Using Hydrogen as a Carrier Gas
The following technical brief aims to demonstrate the performance of GC-MS using hydrogen as a carrier gas. Here we compare the performance of hydrogen ...
Total phosphorus water monitoring using satellite imagery
Blue Water Satellite, Inc. (BWSI) has developed methods to detect concentrations of Total Phosphorus in surface water using our Satellite imagery and ...
GC/MS-SIM-An option for lower detection limits
Select Ion Monitoring mode (GC/MS-SIM) is a technique used to perform low level GC/MS measurements of organic compounds. GC/MS-SIM can reduce reporting ...
Forklift Emissions Analyzers
Forklifts are commonly used in warehouses of various size and capacity for the movement and shipping of goods; however, the unoptimized engines can produce ...

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