Recommended Preservation and Container Guide

This guide outlines the recommended practices for sample preservation and container selection in environmental testing, specifically focusing on aqueous samples and waste oil. It emphasizes the importance of maintaining sample integrity from collection to laboratory analysis. Key considerations include preventing contamination, ensuring proper cooling during transport, and adhering to specified holding times for various analytes. The document details the types of containers suitable for different parameters, preservation methods, and the necessary conditions for maintaining sample stability. It also provides guidance on submission timing to ensure compliance with regulatory standards. The guide includes specific recommendations for analytes such as 1.4-Dioxane, Acidity, and Biochemical Oxygen Demand, among others, highlighting the required conditions for each. The document serves as a comprehensive resource for laboratories and clients to ensure accurate and reliable testing results.