Client Resources and Tools

The downloadable information below will provide you with the necessary paperwork and information to successfully submit your samples to our laboratory. Please contact us if you have questions or need additional assistance.

Customer Resources

Chain of Custody

Printable document to request analytical services and ensure proper sample security and control during collection, transfer, analysis and disposition.

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PFAS Compounds and Associated Limits

A complete list of the 47 PFAS compounds (including GenX) and their associated limits.

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Radioactive Material License

GEL Laboratories holds a license issued by SCDES which authorizes the lab to receive, acquire, possess, and transfer radioactive material.

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Hemp FAQs

Questions and Answers about Hemp testing as well as contact information in case of additional questions.

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Credit Application

If you do not already have an established credit history with GEL and would like to apply for Net 30 payment terms, please complete the attached credit application and return it with your signed quote.

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Virtual Project Manager (VPM)

GEL Laboratories offers a secure online portal for existing clients to track in-house samples, access data packages, EDDs, and sample receipts. Contact your PM for additional information.

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PFAS FAQs

Frequently asked questions about Per and Poly Fluoroalkyl Substances (PFAS) sampling and analysis.

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PFAS Sampling Instructions

Guidance on sampling for Per and Poly Fluoroalkyl Substances (PFAS) for all matrices.

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Sampling Instructions for PFAS in Drinking Water

Guidance for properly collecting and shipping drinking water samples for Per and Poly Fluoroalkyl Substances (PFAS) by EPA method 537.1 or EPA method 533.

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Sample Packing Guidance

Guidance for properly collecting and packing a sample based on the matrix and analyses requested.

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Foreign Soil Permit

Guidance for shipping Foreign Soil to the lab. GEL Laboratories LLC holds a permit issued by the USDA which authorizes receipt of soil from foreign countries. A copy must be included in the shipment to our laboratory.

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Radioactive Shipment Guideline

Guidance for packaging and transporting samples containing radioactive material. GEL Laboratories requests approval prior to shipping by providing activity and/or dose rates per sample.

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Radiologic Well Sampling Guidelines

These instructions are a companion to GEL’s Well Water Radiological testing kit.

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