FREQUENTLY ASKED QUESTIONS

Sonoma Lab Works offers a wide range of services from potency analysis, contaminant detection, to supply chain consulting to ensure accuracy and compliance.

Located in the heart of Sonoma County, we offer quick turn-around times and unparalleled customer service.

• We employ high- pressure liquid chromatography (HPLC-PDA) for routine cannabinoid analysis.

• Gas chromatography in conjunction with both a mass spectrometer (GCMS) and a flame ionization detector (GC-FID) is used to separate and identify volatile compounds such as terpenes and residual solvents.

• Microbial contaminants are efficiently and accurately screened using quantitative polymerase-chain reaction (qPCR).

• Pesticide residues are examined by both liquid chromatography, triple quadrupole mass spectrometry (LCMS/MS) and gas chromatography, triple quadrupole mass spectrometry (GCMS/MS).

What is the standard turnaround time for tests?

Our current turnaround times are as follows:
Potency, pesticide, residual solvent, terpenes: up to 5 business days
Microbial screen: 7 business days
Full microbial screen: 10 business days
CA Compliance testing: 7 business days

How much sample do I need?

Sampling procedures and amounts differ per sample types and required tests.
1 gram of sample is required per test.
1 serving of edible is the minimum requirement for a potency test.

What tests are required for the California Compliance Test?

California regulations are continually being revised. Look here for the latest required testing for compliance.

Do you offer rush samples?

We will always do our best to accommodate the needs of our customers. However, due to a large increase in testing, rush samples are only possible on a case by case basis. Please contact us directly for further information about timing and cost of services.

What kind of payment do you accept?

Cash, check, money order, and PayPal.

How are samples delivered to SLW?

Samples are required to be delivered in accordance with the Bureau of Cannabis Control regulations.

Please discuss your specific needs with one of our lab analysts.

Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.

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