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:

  • License number
  • Business name
  • Business address
  • Business phone number
  • Type of cannabis item (flower, extract/concentrate, product)
  • Harvest lot number, if applicable
  • Process lot number, if applicable
  • Batch identification
  • Batch size
  • Units of sale, if applicable
  • Desired testing
  • Is the requested testing for compliance or research and development (R&D)?
  • Is this a retest?
    • If yes, date of failed test
  • Is there a control study in place for the product to be tested?

Step 2: Schedule sampling appointment

Contact your account manager or the laboratory directly.

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 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 batch
Harvest Batch Sampling (Required increments for compliant flower sample)
Unpacked Harvest Batch Size (pounds)Number of Increments (per sample)
≤ 10.08
10.1-20.016
20.1-30.023
30.1-40.029
40.1-50.034

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)
≤ 502
51-1503
151-5005
501-1,2008
1,201-3,20013
3,201-10,00020
10,001-35,00032
35,001-150,00050

Pesticide Category Charts and Action Levels

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

Pesticide Category II Action Levels (California)

(2) To pass, product must not exceed the action levels for the following analytes:
Category II PesticideAction Level (µg/g)
Inhalable Cannabis GoodsOther Cannabis Goods
Abamectin0.10.3
Acephate0.15
Acequinocyl0.14
Acetamiprid0.15
Azoxystrobin0.140
Bifenazate0.15
Bifenthrin30.5
Boscalid0.110
Captan0.75
Carbaryl0.50.5
Chlorantraniliprole1040
Clofentezine0.10.5
Cyfluthrin21
Cypermethrin11
Diazinon0.10.2
Dimethomorph220
Etoxazole0.11.5
Fenhexamid0.110
Fenpyroximate0.12
Flonicamid0.12
Fludioxonil0.130
Hexythiazox0.12
Imidacloprid53
Kresoxim-methyl0.11
Malathion0.55
Metalaxyl215
Methomyl10.1
Myclobutanil0.19
Naled0.10.5
Oxamyl0.50.2
Pentachloronitrobenzene0.10.2
Permethrin0.520
Phosmet0.10.2
Piperonyl Butoxide38
Prallethrin0.10.4
Propiconazole.0120
Pyrethrins0.51
Pyridaben0.13
Spinetoram0.13
Spinosad0.13
Spiromesifen0.112
Spirotetramat0.113
Tebuconazole0.12
Thiamethoxam54.5
Trifloxystrobin0.130

Residual Solvent Category I Action Levels (California)

To pass, product must not exceed action levels for the following analytes
Category I Residual SolventAction Level (µg/g)
1,2-Dichloroethane1.0
Benzene1.0
Chloroform1.0
Ethylene Oxide1.0
Methylene Chloride1.0
Trichloroethylene1.0

Residual Solvent Category II Action Levels (California)

To pass, product must not exceed the action levels for the following analytes
Category II Residual SolventAction Level (µg/g)
Acetone5000
Acetonitrile410
Butane5000
Ethanol5000
Ethyl acetate5000
Ethyl ether5000
Heptane5000
Hexane290
Isopropyl alcohol5000
Methanol3000
Pentane5000
Propane5000
Toluene890
Total xylenes (ortho-, meta-, para-)2170

Microbial Impurities (California)

To pass, product must have no detections of the following analytes:
Inhalable Cannabis GoodsNon-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

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

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 AnalyteAction Level (µg/g)
Inhalable Cannabis GoodsOther Cannabis Goods
Cadmium0.20.5
Lead0.50.5
Arsenic0.21.5
Mercury0.13.0

Cannabinoids (California)

Products must not exceed the following THC levels per unit
Cannabis Product TypeTHC limit (mg/package)
RecreationalMedical
Edible, not orally-dissolving100 mg
Edible, orally-dissolving500 mg
Concentrates1000 mg2000 mg
Topicals1000 mg2000 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 Testing (R&D) 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, unless pesticide testing, in which the state requires submission of test results.

R&D Test Analysis

  • Foreign Materials
  • Heavy Metals
  • Microbiology
  • Moisture Content
  • Mold
  • Mycotoxins
  • Pesticides (not available for useable flower)
  • Potency
  • 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, extract/concentrate, product)
  • Desired testing

 

Step 2: Schedule sampling appointment

  • Submit a Request For Analysis {LINK} 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
AnalysisMinimum Sample Size
Full Compliance (Cannabinoids, Heavy Metals, Microbial Impurities, Mycotoxins, Pesticides, Moisture Content, Water Activity) 8g
Cannabinoids 1g
Cannabinoids w/ Moisture Content 1.5g
Heavy Metals 1.5g
Microbial Impurities 1.5g
Mycotoxins1.5g
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
AnalysisMinimum Sample Size
Full Compliance (Cannabinoids, Heavy Metals, Microbial Impurities, Mycotoxins, Pesticides, Moisture Content, Water Activity) 6g
Cannabinoids 1g
Heavy Metals 1.5g
Microbial Impurities 1.5g
Mycotoxins1.5g
Residual Pesticides 1.5g
Terpenes 1g
Water Activity 1g

R&D Test Sample Size - Products (California)

Minimum sample size required to perform requested testing
AnalysisMinimum Sample Size
Full 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
Mycotoxins1 unit
Residual Pesticides 1 unit
Terpenes 1 unit
Water Activity 1 unit
GREEN LEAF LAB

Oregon503-253-3511
12025 NE Marx St
Portland OR 97220
Hours: Mon-Fri 9am-5pm

California — 916-924-5227

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Oregon
OLCC License 10029074C70
California
C8-0000078-LIC

Now serving: Oakland, Santa Rosa, San Jose, San Francisco and Santa Cruz

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