Analytical solutions for contaminants

The contaminants in air, drinking water, wastewater, soils, and sewage sludge (Biosolids), and composts need to be controlled to protect the environment and public health. These contaminants include inorganic anions and cations, heavy metals, pesticides and herbicides, persistent organic pollutants, hormones, pharmaceutical products, and personal care products. Many of these contaminants are known to be harmful and are strictly regulated by the Federal and the State laws and regulations.

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In addition, for many other contaminants, the health effects are not well understood, or the levels and frequencies of occurrence in our environment are not clear, or efficient analytical methods to quantify and characterize have not been available. These contaminants referred to as Contaminants of emerging concern are still under evaluation in terms of toxicity and scope.


Subtopics

  • Disinfection byproducts analysis
  • Elemental speciation analysis
  • Perchlorate analysis
  • Common anions analysis by EPA 300.0 & 300.1
  • Total nitrogen & phosporous analysis
  • Bromate methods & analysis
  • Total chromium & hexavalent chromium measurement
  • Cations in drinking water, environmental water, & wastewater
  • Cations in industrial wastewater
  • Cation techniques
  • Sources of emerging contaminants
  • Environmental monitoring programs
  • Techniques for analysis
  • Identification of unknown emerging contaminants
  • US EPA validated methods
  • Monitoring known emerging contaminants
  • Technologies
  • Choosing the right instruments
  • Sample preparation
  • Mercury analysis
  • Overcoming interferences
  • Improving productivity
  • ICP-OES and ICP-MS
  • Nanoparticles analysis

Semivolatile Organic Compounds Analysis

The “semivolatile” contaminant grouping is composed of compounds with broad chemical properties and structural features. Sources of these compounds include pesticides and herbicides (containing phosphorus, sulfur, chlorine or nitrogen), flame retardants, ingredients in cleaning agents and personal care products, solvents and chemicals used in textile/electronic manufacturing and material manufacturing process additives.

  • Environmental sampling
  • Chromagraphic techniques
  • Mass spectrometry for SVOCs
  • SVOCs of recent concern
  • Environmental sampling
  • Extraction and concentration
  • Headspace techniques
  • Purge & trap concentrator
  • Gas chromatography
  • Mass spectrometry
  • Regulatory methods

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