Standard Heavy Metals Analyses for Compost
Test for 10 Regulated Metals to Ensure Safety, Compliance, and Soil Health
NEW & EXPANDED PANEL – Now Covering 10 Critical Heavy Metals
Whether you're selling, applying, or certifying compost, heavy metal contamination is a major concern. This Expanded Heavy Metals Test provides a comprehensive analysis of the most commonly regulated and monitored metals in compost—ensuring your material is safe, compliant, and suitable for use in food production or landscape applications.
This panel meets the needs of commercial composters, organic farms, and landscape suppliers who require lab-verified data on trace metal content.
What’s Included in This Analysis
- Arsenic (As)
- Cadmium (Cd)
- Chromium (Cr)
- Lead (Pb)
- Mercury (Hg)
- Molybdenum (Mo)
- Nickel (Ni)
- Selenium (Se)
- Zinc (Zn)
- Copper (Cu)
All elements reported in parts per million (ppm) using industry-standard analytical methods.
Why Test for Heavy Metals in Compost?
- Regulatory Compliance – Align with federal, state, or municipal guidelines (e.g. EPA 503, OMRI, CDFA, USCC STA)
- Organic Certification Support – Validate materials for organic use
- Product Safety – Ensure safe use around crops, turf, trees, or landscape beds
- Risk Management – Detect contamination from feedstock, biosolids, or industrial inputs
Sample Requirements
- Minimum Sample Size: 1 gallon of finished compost
- Packaging: Clean, sealed plastic bag or container labeled with sample name
- Turnaround Time: 7 business days from lab receipt
Ideal For:
- Compost producers and processors
- Organic farms using compost amendments
- Landscape supply companies selling bulk materials
- Municipal and institutional composting programs
- Consultants preparing regulatory reports or product documentation
Order the Expanded Compost Heavy Metals Test Today
Prove your product is clean, compliant, and safe for the soil.
Peace of mind starts with proven data.
Frequently Asked Questions
- What are your business hours?
Our office is open Monday thru Friday from 8 am to 5 pm. We do close for major holidays, so we recommend ordering your testing and sending your sample early if a holiday is coming up. You can always reach us by email. Just send us a message at info@tpslab.com
- When will I get my results?
We understand that you need your results as soon as possible. That is why we make sure to begin processing your samples as soon as they arrive at our laboratory. When the results are ready, we will email them to the email address you provided on your submittal form. The list below will give you an idea of our usual turnaround times.
Soil Tests: 5-7 Business days
Water Tests: 5 - 7 Business days
Plants Tests: 24 - 48 Hours
Compost Tests: 7 - 14 Business days
Fertilizer Tests: 3 - 5 Business days
Heavy Metals Test: 7 - 14 Business days
We offer a rush option for an additional 50% of the testing cost, but we would encourage you to give yourself time to test before you get to a point where a rush is needed.