Humate Testing

Store / Humate Testing

If you need to test your materials for humic concentrations we can help. We can test both liquid and solid samples using either of our two methods. You can select the CDFA method which conforms to California's Department of Food and Agriculture or our own TPS Lab method if you do not require listing in California.

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Humic Acid % - Content Of Dry Humates (Leonardite)
Humic Acid % - Content Of Dry Humates (Leonardite)
Humic Acid % - Content Of Dry Humates (Leonardite)
$98.00
Total Nutrients in Humates
Total Nutrients in Humates
Total Nutrients in Humates
$133.00
Heavy Metals Analysis for Humates
Heavy Metals Analysis for Humates
Heavy Metals Analysis for Humates
$274.00
Humic Acid Content Test for Compost
Humic Acid Content Test for Compost
Humic Acid Content Test for Compost
$97.00
Humic Acid Test on Solid/Liquid - CDFA Method
Humic Acid Test on Solid/Liquid - CDFA Method
Humic Acid Test on Solid/Liquid - CDFA Method
$110.00
Humic Acid test for Fertilizers - CDFA Method
Humic Acid test for Fertilizers - CDFA Method
Humic Acid test for Fertilizers - CDFA Method
$110.00
Humic Acid Test on Liquids - TPSL Method
Humic Acid Test on Liquids - TPSL Method
Humic Acid Test on Liquids - TPSL Method
$86.00
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Frequently Asked Questions

Hi there! Have some questions about our company? Find the answers below. 
  • 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.

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