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How to Submit Samples for Testing

1. Choose your testing path
Order a Testing Kit for guided collection and prepaid analysis, or proceed with direct sample submission.
Browse available Testing Kits →

2. Select your analysis
Review the HRI Services List to determine the appropriate test for your sample. This live document reflects current services and pricing.

3. Access forms and instructions
For direct submissions, download the Sample Submission Form and Sampling Instructions for your sample type (see below). For kit orders, complete the form and follow the instructions included with your kit.

4. Collect and prepare your sample
Follow the provided instructions to ensure proper collection, handling, and labeling.

5. Ship your sample(s)
Send your sample(s) to HRI along with the completed submission form.

6. Payment & processing
Include payment with your shipment or request invoicing, if approved. Analysis begins once all samples and documentation are received.

Download Sample Submission Forms & Instructions

Soil Testing
Sample Submission Form (PDF)  |  Sampling Instructions (PDF)

Food, Feed, & Other Solid Matrices
Sample Submission Form (PDF)  |  Sampling Instructions (PDF)

Water, Beverages & Other Liquid Matrices
Sample Submission Form (PDF)  |  Sampling Instructions (PDF)

Additional Sample Types – Contact HRI for submission requirements
Batching & Turnaround Times
HRI testing services follow a structured workflow based on sample volume and method type.

Standard & Expedited Turnaround

Once samples are received and minimum sample requirements are met:

  • Standard: ~10 business days
  • Expedited: ~5 business days (150% of standard pricing)
  • Rush: ~2 business days (200% of standard pricing)

Rush turnaround is not available for Pesticide Multi-Residue (PMR) panels.

Batching Requirements

All test panels except Glyphosate & AMPA require a minimum of 3 samples to initiate analysis.

  • Orders with fewer than 3 samples will be held until the batch requirement is met.
  • This may extend turnaround time to up to 30 business days.

Special Cases

  • Flexible (Batched Orders):
    Orders that do not meet minimum sample requirements are processed as part of a batch, with turnaround times of up to 30 business days.
  • Developmental Methods:
    New or custom testing methods may require additional setup and validation, with turnaround times of up to 6 weeks.
State-Specific Testing Requirements

California Customers:
Human laboratory testing requires authorization from a healthcare provider licensed in California. Please download and have your healthcare provider complete the authorization form before submitting your sample.

New York Customers:
HRI does not currently accept human biological samples collected in or originating from New York State. Please do not submit human biological samples to HRI if the sample will be collected in or submitted from New York.