SAMPLING REQUEST
To schedule a sampling appointment please contact the laboratory or your account manager.
GET STARTED
To begin testing with Green Leaf Lab please submit a Client Information Form
California Cannabis And Hemp Testing Lab
View your Green Leaf Lab test information. Perform searches across work orders and export test data for internal review.
For access, call the lab at 916-924-5227.
Cannabis Compliance Testing Process and Checklist
Step 1: Have the following information ready. We will need this for your appointment:
- Distributor license number
- Distributor name
- Distributor address
- Distributor phone number
- Distributor primary contact name
- Cultivator/Manufacturer license number
- Cultivator/Manufacturer name
- Cultivator/Manufacturer address
- Metrc tags
- Type of cannabis item (flower, inhalable product, non-inhalable product)
- Client source batch identification
- Metrc source tag number
- Batch size/Units of sale
- Desired testing
- Is the requested testing for compliance or research and development (R&D)?
Step 2: Schedule sampling appointment
Submit a Request For Analysis, contact your account manager directly, or call the lab at 916.924.5227.
Step 3: During appointment
During your appointment your account manager will perform representative, random sampling service in a manner compliant with state requirements.
Step 4: Report results are emailed
Results are emailed to recipients specified on Client Information Form and published on client account portal.
Compliance Sample Size Requirements (California)
Flower samples for compliance testing must be at minimum 0.35% of the total source batchHarvest Batch Sampling (Required increments for compliant flower sample)
| Harvest Batch Size (pounds) | Number of Increments (per sample) |
|---|---|
| ≤ 10.0 | 8 |
| 10.1-20.0 | 16 |
| 20.1-30.0 | 23 |
| 30.1-40.0 | 29 |
| 40.1-50.0 | 34 |
Cannabis Product Batch and Pre-Roll Sampling (California)
Required increments for compliant product sample| Product/Pre-Roll Batch Size (units) | Number of Increments/Units (per sample) |
|---|---|
| ≤ 50 | 2 |
| 51-150 | 3 |
| 151-500 | 5 |
| 501-1,200 | 8 |
| 1,201-3,200 | 13 |
| 3,201-10,000 | 20 |
| 10,001-35,000 | 32 |
| 35,001-150,000 | 50 |
Residual Pesticide Category I Action Levels (California)
To pass, product must have no detections of the following analytes:
- Aldicarb
- Carbofuran
- Chlordane
- Chlorfenapyr
- Chlorpyrifos
- Coumaphos
- Daminozide
- DDVP (Dichlorvos)
- Dimethoate
- Ethoprophos
- Etofenprox
- Fenoxycarb
- Fipronil
- Imazalil
- Methiocarb
- Methyl parathion
- Mevinphos
- Paclobutrazol
- Propoxur
- Spiroxamine
- Thiacloprid
Residual Pesticide Category II Action Levels (California)
To pass, product must not exceed the action levels for the following analytes:| Category II Pesticide | Action Level (µg/g) | |
|---|---|---|
| Inhalable Cannabis Goods | Other Cannabis Goods | |
| Abamectin | 0.1 | 0.3 |
| Acephate | 0.1 | 5 |
| Acequinocyl | 0.1 | 4 |
| Acetamiprid | 0.1 | 5 |
| Azoxystrobin | 0.1 | 40 |
| Bifenazate | 0.1 | 5 |
| Bifenthrin | 3 | 0.5 |
| Boscalid | 0.1 | 10 |
| Captan | 0.7 | 5 |
| Carbaryl | 0.5 | 0.5 |
| Chlorantraniliprole | 10 | 40 |
| Clofentezine | 0.1 | 0.5 |
| Cyfluthrin | 2 | 1 |
| Cypermethrin | 1 | 1 |
| Diazinon | 0.1 | 0.2 |
| Dimethomorph | 2 | 20 |
| Etoxazole | 0.1 | 1.5 |
| Fenhexamid | 0.1 | 10 |
| Fenpyroximate | 0.1 | 2 |
| Flonicamid | 0.1 | 2 |
| Fludioxonil | 0.1 | 30 |
| Hexythiazox | 0.1 | 2 |
| Imidacloprid | 5 | 3 |
| Kresoxim-methyl | 0.1 | 1 |
| Malathion | 0.5 | 5 |
| Metalaxyl | 2 | 15 |
| Methomyl | 1 | 0.1 |
| Myclobutanil | 0.1 | 9 |
| Naled | 0.1 | 0.5 |
| Oxamyl | 0.5 | 0.2 |
| Pentachloronitrobenzene | 0.1 | 0.2 |
| Permethrin | 0.5 | 20 |
| Phosmet | 0.1 | 0.2 |
| Piperonyl Butoxide | 3 | 8 |
| Prallethrin | 0.1 | 0.4 |
| Propiconazole | .01 | 20 |
| Pyrethrins | 0.5 | 1 |
| Pyridaben | 0.1 | 3 |
| Spinetoram | 0.1 | 3 |
| Spinosad | 0.1 | 3 |
| Spiromesifen | 0.1 | 12 |
| Spirotetramat | 0.1 | 13 |
| Tebuconazole | 0.1 | 2 |
| Thiamethoxam | 5 | 4.5 |
| Trifloxystrobin | 0.1 | 30 |
Residual Solvent Category I Action Levels (California)
To pass, product must not exceed action levels for the following analytes| Category I Residual Solvent | Action Level (µg/g) |
|---|---|
| 1,2-Dichloroethane | 1.0 |
| Benzene | 1.0 |
| Chloroform | 1.0 |
| Ethylene Oxide | 1.0 |
| Methylene Chloride | 1.0 |
| Trichloroethylene | 1.0 |
Residual Solvent Category II Action Levels (California)
To pass, product must not exceed the action levels for the following analytes| Category II Residual Solvent | Action Level (µg/g) |
|---|---|
| Acetone | 5000 |
| Acetonitrile | 410 |
| Butane | 5000 |
| Ethanol | 5000 |
| Ethyl acetate | 5000 |
| Ethyl ether | 5000 |
| Heptane | 5000 |
| Hexane | 290 |
| Isopropyl alcohol | 5000 |
| Methanol | 3000 |
| Pentane | 5000 |
| Propane | 5000 |
| Toluene | 890 |
| Total xylenes (ortho-, meta-, para-) | 2170 |
Microbial Impurities (California)
To pass, product must have no detections of the following analytes:| Inhalable Cannabis Goods | Non-Inhalable Cannabis Goods |
|---|---|
| Shiga toxin (production Escherichia coli) | Shiga toxin (production Escherichia coli) |
| Salmonella spp. | Salmonella spp. |
| Aspergillus (A. fumigatus, A. flavus, A. niger, A terreus) | n/a |
Mycotoxins (California)
To pass, product must not exceed the following action levels:
- Total of Aflatoxin B1, B2, G1, and G2 ≤ 20 (µg/kg)
- Ochratoxin A ≤ 20 (µg/kg)
Foreign Materials (California)
To pass, presence of foreign materials must not exceed the following action levels:
- ¼ of total sample covered by sand, soil, cinders, and/or dirt
- ¼ of sample covered by mold
- 1 insect fragment, 1 hair, or 1 count mammalian excreta per 3 grams
- ¼ of sample covered by imbedded foreign material
Heavy Metals (California)
To pass, product must not exceed the following action levels| Heavy Metal Analyte | Action Level (µg/g) | |
|---|---|---|
| Inhalable Cannabis Goods | Other Cannabis Goods | |
| Cadmium | 0.2 | 0.5 |
| Lead | 0.5 | 0.5 |
| Arsenic | 0.2 | 1.5 |
| Mercury | 0.1 | 3.0 |
Cannabinoids (California)
Products must not exceed the following THC levels per unit| Cannabis Product Type | THC limit (mg/package) | |
|---|---|---|
| Recreational | Medical | |
| Edible, not orally-dissolving | 100 mg | |
| Edible, orally-dissolving | 500 mg | |
| Concentrates | 1000 mg | 2000 mg |
| Topicals | 1000 mg | 2000 mg |
Failed Testing, Remediation, and Retesting Guidance
- Licensees have the option of remediating and retesting failed product batches.
- Failed product batches must be remediated in order to retest.
- Product batches that have been further processed after a failed test must be retested and pass all requirements to be sale ready.
- Failed product batches can only be remediated twice. If the product fails required testing after the second round the product batch must be destroyed.
Cannabis R&D Testing
R&D Facts
Research and Development (R&D) or Quality Control testing can be used to assist with product development or to gather information regarding your production or processing procedures.
R&D test results are not reported to state regulators.
R&D Test Analysis
- Foreign Materials
- Heavy Metals
- Microbiological Contaminants
- Moisture Content
- Mycotoxins
- Pesticides
- Cannabinoids
- Residual Solvents
- Terpenes
- Water Activity
R&D Test Process and Checklist
Step 1: Have the following information ready, we’ll need this for your appointment:
- Name
- Business name, if applicable
- Address
- Phone number
- License number, if applicable
- Type of cannabis item (flower, inhalable product, non-inhalable product)
- Desired testing
Step 2: Schedule sampling appointment
- Submit a Request For Analysis or contact your account manager directly.
- R&D samples can be brought directly to the lab or your account manager can collect it from your facility
Step 3: Pull desired sample, if R&D is under a license create METRC manifest for transfer
Step 4: Depending on where the appointment is scheduled, bring sample to the lab or your account manager.
Step 5: Report results are emailed and published on client account portal.
R&D Test Sample Size - Cannabis Flower (California)
Minimum sample size required to perform requested testing| Analysis | Minimum Sample Size |
|---|---|
| Mock Compliance (Cannabinoids, Heavy Metals, Microbial Impurities, Mycotoxins, Pesticides, Moisture Content, Water Activity) | 15g 8g (if no reprep needed) |
| Cannabinoids | 1g |
| Cannabinoids w/ Moisture Content | 1.5g |
| Heavy Metals | 1.5g |
| Microbial Impurities | 3g |
| Mycotoxins | 1.5g |
| Residual Pesticides | 1.5g |
| Terpenes | 1g |
| Water Activity | 1g |
R&D Test Sample Size - Extracts/Concentrates (California)
Minimum sample size required to perform requested testing| Analysis | Minimum Sample Size |
|---|---|
| Mock Compliance (Cannabinoids, Heavy Metals, Microbial Impurities, Mycotoxins, Pesticides, Moisture Content, Water Activity) | 15g (non-cartridge) 25g (cartridge) 6g (if no reprep needed) |
| Cannabinoids | 1g |
| Heavy Metals | 1.5g |
| Microbial Impurities | 2g |
| Mycotoxins | 1.5g |
| Residual Pesticides | 1.5g |
| Terpenes | 1g |
| Foreign Materials | 1g |
R&D Test Sample Size - Products (California)
Minimum sample size required to perform requested testing| Analysis | Minimum Sample Size |
|---|---|
| Mock Compliance (Cannabinoids, Heavy Metals, Microbial Impurities, Mycotoxins, Pesticides, Moisture Content, Water Activity) | Please contact lab to confirm minimum |
| Cannabinoids | 1 unit |
| Heavy Metals | 1 unit |
| Microbial Impurities | 1 unit |
| Mycotoxins | 1 unit |
| Residual Pesticides | 1 unit |
| Terpenes | 1 unit |
| Water Activity | 1 unit |
Useful Cannabis Industry Links
California Business and Professions Code (BPC), Division 10: Cannabis
