Visit our 2023 Fee Schedule for a complete listing of fees for products and services offered by CHL.
Downloadable Chain of Custody form required for sample check-in.
Check out these Shipment Recommendations to ensure your samples arrive in excellent condition.
Step-by-step Dye Tracing Instructions for field activities.
Detailed Research Procedures for groundwater investigations in karst environments.
Fluorescein SDS (Organic Dyes and Pigments)
Fluorescein SDS (Chromatech)
Eosine OJ SDS (Greenville Colorants)
Eosine OJ SDS (Chromascape)
Sulphorhodamine B SDS (Organic Dyes and Pigments )
Sulphorhodamine B SDS (Chromatech)