General Resources

Chain of custody document required for environmental sample submission within British Columbia.
Chain of Custody - ABChain of custody document required for environmental sample submission within Alberta.
Chain of Custody - CannabisChain of custody document required when submitting samples for Cannabis products within Canada.
Chain of Custody - AsbestosChain of custody document required when submitting asbestos samples within Canada.
How to Read Your ReportLearn how to understand and interpret your final analytical report from CARO.
General Sample Collection InstructionsFind some general sample collection instructions to help support your project and sample quality.
Environmental Testing Resources

Container, hold time, and preservation information for many of CARO’s core tests.
Environmental Sample Collection InstructionsGeneral sample collection instructions to help you submit a good quality sample.
Environmental – Project Set-up FormThis document is a great tool to help coordinate and organize projects to ensure smooth operation and communication with your favorite laboratory.
Environmental - Soil Vapour CapabilitiesA summary of CARO’s testing capabilities to support soil vapour intrusion and indoor air investigations.
Air Sampling & Equipment RentalThis document is included with each Soil Vapour pump order and includes a field data table to be submitted with your Air samples. You can also find basic Vapour Testing Terms and Conditions here.
Environmental - Field Filtration for Metals and MercuryDiscover the best practices for field filtration of Dissolved Metals and Dissolved Mercury.
Environmental – CARO’s PFA AnalysisLearn more about the guidelines for PFA, PFOA and PFBS, including fun facts.
Environmental – BCLSP Protocol 27This document presents the B.C. Liquid-Solid Partitioning Method, used to predict the leaching and mobility of pH-sensitive substances under various pH conditions.
Environmental - Sample Audit GuideThe ultimate guide for environmental sampling teams! Make sure that your team is following best practices, and are always prepared for sample collection.
Environmental – Soil Vapour Sampling TipsThis document provides Soil Vapour Sampling Tips and equipment rental costs
Cannabis Testing Resources

Learn more about Cannabis Sample Requirements here before submitting your samples.
Cannabis - FAQFind the commonly asked questions about Cannabis testing including logistics, data quality and methods.