We use cookies for certain features and to improve your experience. See our Cookie Policy and Privacy Policy to learn more

Leafly

Shop legal, local weed.

Open
advertise on Leafly
ShopDeliveryDispensariesDealsStrainsBrandsProductsLeafly PicksCBDDoctorsCannabis 101Social impact
  • Sign in
  • Create account
  • Strains
  • Shop
  • Shop
  • Delivery
  • Deals
  • Dispensaries
  • CBD Stores
  • Brands
  • Products
  • Leafly Picks
  • Learn
  • Cannabis 101
  • News
  • Leafly Learn
  • Science of cannabis
  • Doctors
  • Social impact
  • Lab partners
  • Download the Leafly App
  • Advertise on Leafly
    • Leafly.comUSA flag
    • Leafly.caCanadian flag
  • Help
  • Photo of Microbiological Contaminants Screen
  • Photo of Microbiological Contaminants Screen

About this product

Microbiological organisms are present almost everywhere but are usually dormant or harmless to humans. If conditions are right, however, a colony of organisms can grow and become dangerous for consumption. Additionally, certain organisms can release toxins as a reaction to heat or other perceived threats. Screening all cannabis products for these organisms ensures their presence in below a threshold that is safe for consumers to ingest.

PRICE
$135 per sample

AMOUNT OF SAMPLE NEEDED
Flower: 1 gram
Concentrate: 1 gram
Extract: 1 gram
Infused Products: 1 serving/dose (at least 1 gram)

SCOPE OF TEST
Total viable aerobic bacteria
Total coliform bacteria
Total bile-tolerant gram-negative bacteria
Total yeast & mold
E. coli & Salmonella

TESTING METHOD
Quantitative Polymerase Chain Reaction (qPCR)
Most Probable Number Culture (MPN)
  • Photo of Microbiological Contaminants Screen
  • Photo of Microbiological Contaminants Screen

Microbiological Contaminants Screen

by MCR Labs
Analytics & TestingTHC -CBD -

Microbiological Contaminants Screen

by MCR Labs
Analytics & TestingTHC -CBD -
We couldn’t find this item at any stores nearby. Check back later or view similar products.
view similar products

About this product

Microbiological organisms are present almost everywhere but are usually dormant or harmless to humans. If conditions are right, however, a colony of organisms can grow and become dangerous for consumption. Additionally, certain organisms can release toxins as a reaction to heat or other perceived threats. Screening all cannabis products for these organisms ensures their presence in below a threshold that is safe for consumers to ingest.

PRICE
$135 per sample

AMOUNT OF SAMPLE NEEDED
Flower: 1 gram
Concentrate: 1 gram
Extract: 1 gram
Infused Products: 1 serving/dose (at least 1 gram)

SCOPE OF TEST
Total viable aerobic bacteria
Total coliform bacteria
Total bile-tolerant gram-negative bacteria
Total yeast & mold
E. coli & Salmonella

TESTING METHOD
Quantitative Polymerase Chain Reaction (qPCR)
Most Probable Number Culture (MPN)
No product reviews
Have you tried this product? Be the first to leave a review!
leave a product review

About this brand

Logo for the brand MCR Labs
MCR Labs
Shop products
As the first independent cannabis testing laboratory to be certified by the state of Massachusetts, we are proud to offer analytical testing and R&D services to MMJ and adult-use cannabis providers, patients, doctors, caregivers, or anyone crafting their own cannabis products. Our methods are ISO-17025 accredited, and we employ proven analytical practices developed in the pharmaceutical industry.
Notice a problem?Report this item
  1. Home
  2. Products
  3. Services
  4. Analytics & Testing
  5. Microbiological Contaminants Screen


Stay In Touch

Receive updates on new products, special offers, and industry news.

Something went wrong, please try again.

By providing us with your email address, you agree to Leafly’s Terms of Service and Privacy Policy.

Leafly mobile app
Get high for less.
Download the Leafly app.
Download Leafly: Marijuana Reviews on the App StoreDownload Leafly Marijuana Reviews on Google Play

Business Solutions
  • List your store
  • List your CBD store
  • List your brand
  • List your practice
  • Business log in
Business Solutions
  • List your store
  • List your CBD store
  • List your brand
  • List your practice
  • Business log in

About Leafly
  • About us
  • Careers
  • Investor relations
  • Contact us
  • FAQs
  • Accessibility
About Leafly
  • About us
  • Careers
  • Investor relations
  • Contact us
  • FAQs
  • Accessibility

Dispensaries in
  • Los Angeles
  • Seattle
  • Portland
  • San Francisco
  • Toronto
  • Detroit
Dispensaries in
  • Los Angeles
  • Seattle
  • Portland
  • San Francisco
  • Toronto
  • Detroit

Privacy & Terms
  • Terms of use
  • Commercial terms of use
  • Privacy policy
  • Do not sell my personal information
Privacy & Terms
  • Terms of use
  • Commercial terms of use
  • Privacy policy
  • Do not sell my personal information

* Statements made on this website have not been evaluated by the U.S. Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Information provided by this website or this company is not a substitute for individual medical advice.


© 2026 Leafly, LLC
Leafly and the Leafly logo are registered trademarks of Leafly, LLC. All Rights Reserved.