environmental samples Articles

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Why is alkalinity an important parameter in environmental water analysis?

by Camlab Limited  (Apr. 20, 2015)

Answer: Alkalinity is a measure of the acid-neutralizing or buffering capacity of a solution. The properties of water are is easily influenced by alkalinity, making it an important and widely used test. If any changes are made to a solution which could impact pH, alkalinity acts a buffer. This ability to neutralize acid (H+ ions) is what ...

Introduction to Environmental Testing in the USA

by Shimadzu Scientific Instruments Inc  (Apr. 3, 2015)

Environmental laboratories practice “applied analytical chemistry” by analyzing samples using a list of potential contaminants to determine how much, if any, of the contaminant is present. These contaminants, the methods used to analyze for them, and the maximum amount of contaminant allowed in the sample are defined by regulation. ...

Shield Environmental Assoc. Defeats Bedrock Contamination with BOS 200® at Truck Stop

by Remediation Products Incorporated (RPI)  (Mar. 31, 2015)

Shield Environmental Associates (Lexington, KY) has faced some daunting challenges over many years of successful service to their clients, but this one was remarkable. The Problem: A 320 foot long dissolved BTEX plume in both shallow and deep zones in lithology very unfriendly to direct push sampling or injections. The Team: Shield Environmental ...

Enitial use TDL-500 for emissions monitoring - Case Study

by Geotech  (Apr. 10, 2015)

Application CH4 leak detection and emissions monitoring and mapping Equipment TDL-500 coupled with the 'enidata PDA' Location United Kingdom Customer enitial Requirement enitial are currently using the TDL-500 connected to an enitial enidata PDA to undertake high detailed ...

Organics Monitoring: A Practical Guide

by GE Analytical Instruments  (Apr. 6, 2015)

Preventing product loss, lowering waste treatment costs, and reducing system maintenance and energy consumption through organics monitoring in the chemical, refining, food, and wastewater treatment industries. Summary Process water and steam condensate contamination includes organic, inorganic, and biological components. Sources of organic ...

Purpose of air and surface mold sampling or testing during assessment

by Indoor Environmental Technologies (IET)  (Mar. 20, 2015)

As part of determining whether an indoor environment is contaminated with excessive amounts of mold and requires remediation, Indoor Environmental Technologies (IET) routinely performs air and surface mold sampling or testing. While there are many types of sampling, IET uses two of them the most: Air sampling using a “spore ...

How can I make my lab greener? 5 tips to reduce your lab’s carbon footprint

by Camlab Limited  (Mar. 27, 2015)

Many laboratories want to make their operation more environmentally friendly and reduce their carbon footprint. The 5 steps below are a good starting point for simple changes to get closer to being a green lab We’ve been reading the great tips and ideas on mygreenlab.org to reduce the carbon footprint of your lab. Why not try ...

The World’s Largest Gas to Liquids Facility Runs on Thermo Scientific SampleManager LIMS

by Thermo Fisher Scientific, LIMS & Laboratory Software  (Mar. 26, 2015)

Established by Shell and Qatar Petroleum in 2006, Pearl GTL is the largest gas to liquids facility on the planet. Gas to liquids (GTL) is the conversion of natural gas to liquid fuels and other products, including gasoil, naphtha, kerosene, normal-paraffin and lubricants. Pearl GTL has a capacity of 140,000 barrels per day of these products and ...

PPCPs: Preparing for an uncertain regulatory future

by Thermo Fisher Scientific, LIMS & Laboratory Software  (Mar. 25, 2015)

A recent study published in Environmental Pollution* identified 56 active pharmaceutical ingredients (APIs) in effluent samples from 50 large wastewater treatment plants across the U.S. Among the products found in samples were commonly prescribed anti-psychotic and antihypertensive drugs. As more studies continue to fuel public concerns over risks ...

Concentration and solvent recovery of environmental samples in dichloromethane

by BÜCHI Labortechnik AG  (Feb. 2, 2015)

Environmental samples are usually extracted with an organic solvent which is then concentrated prior to final analysis. In this short note, initial conditions and evaporation settings for the parallel concentration of samples dissolved in dichloromethane (DCM) having different starting volumes are presented. These settings have been optimized for ...

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