Green Leaf Lab vs Gold Standard Analytics
Green Leaf Lab in Sacramento holds California licence C8-0000078-LIC and runs a national mail-in hemp program with LC-MS/MS and GC-MS/MS pesticides, vitamin E and product-development support. It is the closest West Coast analogue to Gold Standard’s hemp mail-in offer, which adds published prices, on-camera custody and a public library.
Green Leaf Lab, Sacramento, California. greenleaflab.org. Facts checked September 9, 2026.
What Green Leaf does well
- California compliance licence C8-0000078-LIC.
- National mail-in hemp program.
- Pesticides by both LC-MS/MS and GC-MS/MS; vitamin E and homogeneity.
- Client portal with work-order search and data export.
Side by side
| Gold Standard Analytics | Green Leaf Lab | |
|---|---|---|
| Location and shipping | Gold Standard AnalyticsHouston, Texas. One laboratory at a published address. Lawful hemp (≤ 0.3% Δ9-THC) ships from any state on the prepaid UPS label we issue. | Green Leaf LabSacramento, California; national hemp mail-in. |
| Sample and program fit | Gold Standard AnalyticsLawful hemp flower, extracts, isolates, edibles, tinctures, beverages, topicals, live plant tissue and facility swabs for R&D and quality control. No marijuana or products above the federal hemp limit; no DEA registration. | Green Leaf LabCalifornia compliance plus hemp nationwide. |
| Cannabinoid potency | Gold Standard AnalyticsCannabinoid profile from $79 (plant and extract), $119 for finished products, $159 for the extended 18-target profile. UHPLC-UV with LC-MS/MS confirmation on the Agilent 1290 Infinity II and 6490 triple quadrupole. | Green Leaf LabPotency; no public price. |
| Terpenes and residual solvents | Gold Standard AnalyticsTerpene profile $79, 40 targets by calibrated GC-MS. Residual solvents $99 for 24 targets by headspace GC-MS. | Green Leaf LabTerpenes and solvents; no public price. |
| Pesticides | Gold Standard AnalyticsPesticide panel from $269 by LC-MS/MS and GC-MS/MS; 125-target panel $309; glyphosate and AMPA $419 by a separate polar method. | Green Leaf LabLC-MS/MS and GC-MS/MS; no public price. |
| Heavy metals | Gold Standard AnalyticsFour-metal panel (As, Cd, Pb, Hg) $149 by ICP-MS on the Agilent 7850 after closed-vessel digestion. | Green Leaf LabMetals; no public price. |
| Microbiology and mycotoxins | Gold Standard AnalyticsBasic microbiology $89, expanded $179, four-species Aspergillus qPCR $79, five-target mycotoxins $69 by LC-MS/MS. | Green Leaf LabMicrobial and mycotoxins; no public price. |
| Turnaround | Gold Standard AnalyticsStandard 5–7 business days, guaranteed in writing. 48-hour analytical expedite +$59; 24-hour potency +$80. | Green Leaf LabNot published. No written guarantee. |
| Public results | Gold Standard AnalyticsEvery certificate public and searchable by accession, including failures and retractions; a client cannot remove one. Free JSON, CSV and Atom exports of the whole library. | Green Leaf LabClient portal; no public library found. |
| Chain of custody | Gold Standard AnalyticsEvery package opened on camera, each container photographed and blind-coded before it reaches the bench; footage and photos retained three years and tied to the accession. | Green Leaf LabSample-submission instructions and a client portal; no on-camera receiving, blind coding or footage retention is published. |
| Ordering | Gold Standard AnalyticsSelf-service online intake with a live quote and an instant prepaid label; no account manager or quote form. API, MCP, Telegram and WhatsApp ordering. | Green Leaf LabOnboarding and portal. |
| Payment | Gold Standard AnalyticsCard, Apple Pay, Google Pay, Klarna, ACH, wire, Mercury invoice with net terms, and any cryptocurrency. | Green Leaf LabNot published; invoiced to the client account. |
| ISO/IEC 17025 and licensing | Gold Standard AnalyticsOperated to ISO/IEC 17025 expectations; not accredited, and we say so on every page. Not a state-licensed cannabis compliance laboratory. | Green Leaf LabISO accreditation and California licence stated; scope not inspected. |
| Guarantee | Gold Standard AnalyticsMiss the quoted turnaround, or an accredited laboratory materially contradicts our result on a retest of the retained sample, and the panel fee is refunded. | Green Leaf LabNone published. |
Sources: greenleaflab.org, checked Sep 8 2026.
Published prices
| Test | Gold Standard Analytics | Green Leaf Lab |
|---|---|---|
| Cannabinoid potency, plant or extract | Gold Standard AnalyticsView current pricing | Green Leaf Lab$0 |
| Terpene profile | Gold Standard AnalyticsView current pricing | Green Leaf Lab$0 |
| Pesticide panel | Gold Standard AnalyticsView current pricing | Green Leaf Lab$0 |
| Heavy metals, ICP-MS | Gold Standard Analytics+$169 | Green Leaf Lab$0 |
| Microbiology panel | Gold Standard AnalyticsView current pricing | Green Leaf Lab$0 |
| Full plant quality package | Gold Standard AnalyticsView current pricing | Green Leaf Lab$0 |
Green Leaf publishes no numeric prices; testing is quoted. Gold Standard prices are the published catalog. A dash means no public price.
Questions about Green Leaf Lab and Gold Standard Analytics
Is Gold Standard Analytics a Green Leaf alternative?
For hemp by mail, yes, with published prices, custody footage and a public library. For California licensed cannabis, Green Leaf is eligible.
How much does Green Leaf charge for hemp or cannabis testing?
Green Leaf publishes no numeric prices. Gold Standard publishes every price: cannabinoid profile from $79, terpenes $79, solvents $99, metals $149, pesticides from $269, full plant package $649.
Is Green Leaf ISO 17025 accredited?
It states ISO accreditation and holds California licence C8-0000078-LIC; the current scope was not inspected. Gold Standard is not accredited and operates to ISO/IEC 17025 expectations; we state that plainly rather than imply otherwise.
Can I verify a Green Leaf COA?
Results are in the client portal; no public lookup was found. Every Gold Standard certificate, including failures, verifies here by accession number and is exported to a public library anyone can download.
Can Gold Standard test state-regulated cannabis like Green Leaf?
Green Leaf holds state cannabis testing licenses or certifications in the markets listed on its site, which are required for licensed release testing there. Gold Standard is not a state-licensed cannabis compliance laboratory and holds no DEA registration; we test lawful hemp (≤ 0.3% Δ9-THC) and hemp-derived products for R&D and quality control, from any state by mail.
Where is Green Leaf located?
Sacramento, California. Gold Standard is at 5151 Mitchelldale St A10 STE B, Houston, TX 77092, and accepts hemp samples nationwide on a prepaid label.
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Submit a sample
Prepaid domestic label, public certificate, chain-of-custody video. Standard turnaround 5–7 business days.