web statistics

The 1,4-Dioxane Book

The Complete Reference
Chapter 4 – Table of Contents
Continue from Previous

Chapter 4       Sampling and Laboratory Analysis for Solvent Stabilizers
4.1 The Flawed Paradigm of Analyte Lists
4.2 Sample Collection, Preservation, and Handling for Analysis of 1,4-Dioxane
4.2.1 Sampling for 1,4-Dioxane in Water
4.2.1.1 Passive-Diffusion Bag Samplers
4.2.1.2 Rigid Porous Polyethylene Samplers
4.2.1.3 Snap Sampler
4.2.1.4 Gore Sampler
4.2.2 Sampling for 1,4-Dioxane in Air and Landfill Gas
4.2.3 Personnel Air Monitoring
4.3 Sample Preparation
4.3.1 Purge and Trap
4.3.2 Heated Purge and Trap
4.3.3 Equilibrium Headspace Extraction
4.3.4 Vacuum Distillation
4.3.5 Azeotropic Distillation
4.3.6 Sample Extraction
4.3.6.1 Liquid–Liquid Extraction
4.3.6.2 Solid-Phase Extraction
4.4 Laboratory Methods for the Analysis of 1,4-Dioxane by Gas Chromatography–Mass Spectroscopyb
4.4.1 Gas Chromatography
4.4.1.1 Methods in Gas Chromatography
4.4.1.2 Selecting Chromatographic Columns for 1,4-Dioxane Analysis
4.4.2 Detectors in Gas Chromatography
4.4.2.1 Mass Spectroscopy
4.4.2.2 Mass Spectroscopy and 1,4-Dioxane
4.5 EPA Methods for Analysis of 1,4-Dioxane
4.5.1 EPA Method 8015B
4.5.2 EPA Method 8260B
4.5.3 EPA Method 8260C
4.5.4 EPA Method 8261A
4.5.5 EPA Method 8270C – Extracted Semi-volatile Organic Compounds by GC – Mass Spectroscopy
4.5.6 EPA Method 1624 – Isotope-Dilution Gas Chromatography – Mass Spectroscopy
4.5.7 EPA Method 522—Solid-Phase Extraction and Gas Chromatography – Mass Spectroscopy with Selective Ion Monitoring
4.6 Laboratory Safety for 1,4-Dioxane Handling and Instrument Cleaning