Certificate of Analysis

Produced: Mar 29, 2025

Mary's Transdermal Patch - Relief - CBD:THC - 10mg:10mg (Topical) // Client: Mary's Tech CA

Batch Result: Pass

Batch No.: M1P031125

Metrc UID: 1A4060300001AF7000003640

Matrix: Topical

Category: Other

Sample ID: BCL-250324-105

Collected on: Mar 24, 2025

Received on: Mar 24, 2025

Batch Size: 4028 Units

Sample Size: 20 Units

9.64 mg

9.46 mg

20.44 mg

Microbial

Pass

Mycotoxins

Pass

Pesticides

Pass

Cannabinoids

Pass

Heavy Metals

Pass

Foreign Materials

Pass

Residual Solvents

Pass

Manufacturer

Rcw Manufacturing

License

CDPH-10002341

Type

Adult-Use - Manufacturing License

Distributor

Brb California LLC

License

C11-0001897-LIC

Type

Adult-Use - Distributor License

https://lims.tagleaf.com/coas/VUso7sZXEMrxe6DTPKZybygbbdp9SvV0WGhTarqGH2vUdzcCdo

Laboratory performed sampling as per BCL-01 at 196 Market st suite 18, San Rafael, CA 94901. The results relate only to the items tested. All LQC samples required by section 15730 of California Code of Regulations Title 4 Division 19 Department of Cannabis Control were performed and met the acceptance criteria. All decision rules are established by the DCC.

Results Certified By: Dzoana Klisara, B.Sc.

Laboratory Director, BelCosta Labs

Mar 29, 2025

BCL-03: Cannabinoid Potency by HPLC-UV Mar 26, 2025

† Sum of Cannabinoids = CBC + CBCA + CBD + CBDA + CBDV + CBDVA + CBG + CBGA + CBN + Delta-8-THC + Delta-9-THC + THCA + THCV + THCVA

†† Total Cannabinoids = (CBC + CBD + CBDV + CBG + CBN + Delta-8-THC + Delta-9-THC + THCV) + (0.877 * (CBCA + CBDA + CBDVA + CBGA + THCA + THCVA))

Analyte	Limit	Detected	Detected	LOD	LOQ	Pass/Fail
CBC		0.09715 %	0.9715 mg/g	0.00107 mg/g	0.0243 mg/g	N/A
CBCA		ND	ND	0.00306 mg/g	0.0243 mg/g	N/A
CBD		1.05482 %	10.5482 mg/g	0.00151 mg/g	0.0243 mg/g	N/A
CBDA		ND	ND	0.00078 mg/g	0.0243 mg/g	N/A
CBDV		ND	ND	0.00117 mg/g	0.0243 mg/g	N/A
CBDVA		ND	ND	0.00078 mg/g	0.0243 mg/g	N/A
CBG		0.05114 %	0.5114 mg/g	0.00141 mg/g	0.0243 mg/g	N/A
CBGA		ND	ND	0.00097 mg/g	0.0243 mg/g	N/A
CBN		ND	ND	0.00078 mg/g	0.0243 mg/g	N/A
Δ⁸-THC		ND	ND	0.00282 mg/g	0.0243 mg/g	N/A
Δ⁹-THC		1.07536 %	10.7536 mg/g	0.00204 mg/g	0.0243 mg/g	N/A
THCA		ND	ND	0.00146 mg/g	0.0243 mg/g	N/A
THCV		ND	ND	0.0016 mg/g	0.0243 mg/g	N/A
THCVA		ND	ND	0.00112 mg/g	0.0243 mg/g	N/A
Total THC (Total THC = Delta-8-THC + (Delta-8-THCA x 0.877) + Delta-9-THC + (THCA x 0.877))		1.07536 %	10.7536 mg/g			N/A
Total CBD (Total CBD = CBD + (CBDA x 0.877))		1.05482 %	10.5482 mg/g			N/A
CBD Per Serving Serving: 0.8969 g		9.46 Milligrams				N/A
Δ⁹-THC Per Serving Serving: 0.8969 g		9.64 Milligrams				N/A
Total THC Per Serving Serving: 0.8969 g		9.64 Milligrams				N/A
Total CBD Per Serving Serving: 0.8969 g		9.46 Milligrams				N/A
CBD Per Package Package: 0.8969 g		9.46 Milligrams				N/A
Δ⁹-THC Per Package Package: 0.8969 g	1100 mg	9.64 Milligrams				Pass
Total THC Per Package Package: 0.8969 g		9.64 Milligrams				N/A
Total CBD Per Package Package: 0.8969 g		9.46 Milligrams				N/A

BCL-06: Microbiological Analysis by qPCR Mar 26, 2025

Analyte	Limit	Detected	Pass/Fail
Salmonella spp.	Any amount in 1 gram	ND	Pass
Shiga toxin-producing E. coli	Any amount in 1 gram	ND	Pass

BCL-05: Mycotoxin Testing by LC-MS/MS Mar 27, 2025

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
Aflatoxin B1		ND	1.19 µg/kg	4.22 µg/kg	N/A
Aflatoxin B2		ND	1.45 µg/kg	5.12 µg/kg	N/A
Aflatoxin G1		ND	1.58 µg/kg	5.6 µg/kg	N/A
Aflatoxin G2		ND	0.63 µg/kg	3 µg/kg	N/A
Aflatoxins	20 µg/kg	ND			Pass
Ochratoxin A	20 µg/kg	ND	0.63 µg/kg	6 µg/kg	Pass

BCL-13: Pesticide Testing by GC/MS Mar 27, 2025

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
Captan	5 µg/g	ND	0.03021 µg/g	0.0915 µg/g	Pass
Chlordane	Any amount	ND			Pass
Chlordane cis		ND	0.01068 µg/g	0.0324 µg/g	N/A
Chlordane trans		ND	0.01022 µg/g	0.0309 µg/g	N/A
Chlorfenapyr	Any amount	ND	0.02303 µg/g	0.06973 µg/g	Pass

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
Chlorpyrifos	Any amount	ND	0.01074 µg/g	0.03262 µg/g	Pass
Dichlorvos	Any amount	ND	0.01132 µg/g	0.03429 µg/g	Pass
Methyl parathion	Any amount	ND	0.01298 µg/g	0.03935 µg/g	Pass
Pentachloroni- trobenzene	0.2 µg/g	ND	0.0135 µg/g	0.04095 µg/g	Pass

BCL-05: Residual Pesticide Analysis by LC-MS/MS ESI Mar 27, 2025

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
Abamectin	0.3 µg/g	ND	0.01972 µg/g	0.0696 µg/g	Pass
Acephate	5 µg/g	ND	0.00862 µg/g	0.0606 µg/g	Pass
Acequinocyl	4 µg/g	ND	0.00784 µg/g	0.06 µg/g	Pass
Acetamiprid	5 µg/g	ND	0.00491 µg/g	0.06042 µg/g	Pass
Aldicarb	Any amount	ND	0.01231 µg/g	0.06042 µg/g	Pass
Azoxystrobin	40 µg/g	ND	0.0059 µg/g	0.06048 µg/g	Pass
Bifenazate	5 µg/g	ND	0.00876 µg/g	0.0603 µg/g	Pass
Bifenthrin	0.5 µg/g	ND	0.00958 µg/g	0.06 µg/g	Pass
Boscalid	10 µg/g	ND	0.0171 µg/g	0.0606 µg/g	Pass
Carbaryl	0.5 µg/g	ND	0.0079 µg/g	0.0603 µg/g	Pass
Carbofuran	Any amount	ND	0.00227 µg/g	0.06036 µg/g	Pass
Chlorantranil- iprole	40 µg/g	ND	0.011 µg/g	0.06054 µg/g	Pass
Clofentezine	0.5 µg/g	ND	0.00507 µg/g	0.0603 µg/g	Pass
Coumaphos	Any amount	ND	0.0193 µg/g	0.0684 µg/g	Pass
Cyfluthrin	1 µg/g	ND	0.23945 µg/g	0.8484 µg/g	Pass
Cypermethrin	1 µg/g	ND	0.07946 µg/g	0.6 µg/g	Pass
Daminozide	Any amount	ND	0.00625 µg/g	0.0606 µg/g	Pass
Diazinon	0.2 µg/g	ND	0.00536 µg/g	0.0606 µg/g	Pass
Dimethoate	Any amount	ND	0.00621 µg/g	0.0606 µg/g	Pass
Dimethomorph	20 µg/g	ND			Pass
Dimethomorph I		ND	0.00422 µg/g	0.02545 µg/g	N/A
Dimethomorph II		ND	0.00229 µg/g	0.03515 µg/g	N/A
Ethoprophos	Any amount	ND	0.0085 µg/g	0.0606 µg/g	Pass
Etofenprox	Any amount	ND	0.00539 µg/g	0.06054 µg/g	Pass
Etoxazole	1.5 µg/g	ND	0.00416 µg/g	0.06036 µg/g	Pass
Fenhexamid	10 µg/g	ND	0.01569 µg/g	0.0606 µg/g	Pass
Fenoxycarb	Any amount	ND	0.00565 µg/g	0.06048 µg/g	Pass
Fenpyroximate	2 µg/g	ND	0.00671 µg/g	0.06048 µg/g	Pass
Fipronil	Any amount	ND	0.00911 µg/g	0.0603 µg/g	Pass
Flonicamid	2 µg/g	ND	0.00275 µg/g	0.0606 µg/g	Pass
Fludioxonil	30 µg/g	ND	0.02537 µg/g	0.09 µg/g	Pass
Hexythiazox	2 µg/g	ND	0.00585 µg/g	0.0606 µg/g	Pass
Imazalil	Any amount	ND	0.00862 µg/g	0.06036 µg/g	Pass
Imidacloprid	3 µg/g	ND	0.00851 µg/g	0.06036 µg/g	Pass
Kresoxim- methyl	1 µg/g	ND	0.00871 µg/g	0.06036 µg/g	Pass
Malathion	5 µg/g	ND	0.00764 µg/g	0.0606 µg/g	Pass
Metalaxyl	15 µg/g	ND	0.00379 µg/g	0.06054 µg/g	Pass
Methiocarb	Any amount	ND	0.01182 µg/g	0.06042 µg/g	Pass

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
Methomyl	0.1 µg/g	ND	0.00504 µg/g	0.06042 µg/g	Pass
Mevinphos	Any amount	ND			Pass
Mevinphos I		ND	0.002 µg/g	0.01877 µg/g	N/A
Mevinphos II		ND	0.00532 µg/g	0.04177 µg/g	N/A
Myclobutanil	9 µg/g	ND	0.00604 µg/g	0.0603 µg/g	Pass
Naled	0.5 µg/g	ND	0.00848 µg/g	0.05994 µg/g	Pass
Oxamyl	0.2 µg/g	ND	0.0052 µg/g	0.06036 µg/g	Pass
Paclobutrazol	Any amount	ND	0.00849 µg/g	0.06036 µg/g	Pass
Permethrin	20 µg/g	ND			Pass
Permethrin cis		ND	0.0288 µg/g	0.1021 µg/g	N/A
Permethrin trans		ND	0.04398 µg/g	0.15589 µg/g	N/A
Phosmet	0.2 µg/g	ND	0.00607 µg/g	0.06042 µg/g	Pass
Piperonylbuto- xide	8 µg/g	ND	0.00394 µg/g	0.06012 µg/g	Pass
Prallethrin	0.4 µg/g	ND	0.00818 µg/g	0.06 µg/g	Pass
Propiconazole	20 µg/g	ND	0.00485 µg/g	0.0603 µg/g	Pass
Propoxur	Any amount	ND	0.0072 µg/g	0.06042 µg/g	Pass
Pyrethrins	1 µg/g	0.0536 µg/g			Pass
Pyrethrins Cinerin I		ND	0.00693 µg/g	0.02457 µg/g	N/A
Pyrethrins Cinerin II		0.0536 µg/g	0.00424 µg/g	0.01502 µg/g	N/A
Pyrethrins Jasmolin I		ND	0.0017 µg/g	0.01812 µg/g	N/A
Pyrethrins Jasmolin II		ND	0.00496 µg/g	0.01812 µg/g	N/A
Pyrethrins Pyrethrin I		ND	0.02641 µg/g	0.09362 µg/g	N/A
Pyrethrins Pyrethrin II		ND	0.018 µg/g	0.0638 µg/g	N/A
Pyridaben	3 µg/g	ND	0.00906 µg/g	0.0606 µg/g	Pass
Spinetoram	3 µg/g	ND			Pass
Spinetoram J		ND	0.00681 µg/g	0.0156 µg/g	N/A
Spinetoram L		ND	0.00345 µg/g	0.0444 µg/g	N/A
Spinosad	3 µg/g	ND			Pass
Spinosad A		ND	0.00558 µg/g	0.04601 µg/g	N/A
Spinosad D		ND	0.00123 µg/g	0.01453 µg/g	N/A
Spiromesifen	12 µg/g	ND	0.01985 µg/g	0.0708 µg/g	Pass
Spirotetramat	13 µg/g	ND	0.00482 µg/g	0.06054 µg/g	Pass
Spiroxamine	Any amount	ND	0.00338 µg/g	0.06018 µg/g	Pass
Tebuconazole	2 µg/g	ND	0.00726 µg/g	0.0603 µg/g	Pass
Thiacloprid	Any amount	ND	0.00497 µg/g	0.0603 µg/g	Pass
Thiamethoxam	4.5 µg/g	ND	0.00349 µg/g	0.06036 µg/g	Pass
Trifloxystrob- in	30 µg/g	ND	0.00529 µg/g	0.0603 µg/g	Pass

BCL-020: Heavy Metal Testing by ICP-MS Mar 25, 2025

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
Arsenic	1.5 µg/g	< LOQ	0.001 µg/g	0.05 µg/g	Pass
Cadmium	0.5 µg/g	< LOQ	0.0002 µg/g	0.05 µg/g	Pass
Lead	0.5 µg/g	< LOQ	0.0003 µg/g	0.05 µg/g	Pass
Mercury	3 µg/g	ND	0.0001 µg/g	0.01 µg/g	Pass

BCL-07: Foreign Material Testing by Microscopy Mar 25, 2025

Analyte	Limit	Detected	Pass/Fail
Imbedded Foreign Material	25 %	ND	Pass
Insect Fragments, Hair, Mammal Excrement	1 Unit	ND	Pass
Mold	25 %	ND	Pass
Sand, Soil, Cinders, Dirt	25 %	ND	Pass

BCL-18: Residual Solvents Analysis by HS-GC-MS Mar 27, 2025

Analyte	Limit	Detected	LOD	LOQ	Pass/Fail
1,2- Dichloroethane	1 µg/g	ND	0.16368 µg/g	0.57099 µg/g	Pass
Acetone	5000 µg/g	ND	18.42406 µg/g	57.09935 µg/g	Pass
Acetonitrile	410 µg/g	ND	16.34945 µg/g	57.09935 µg/g	Pass
Benzene	1 µg/g	ND	0.07233 µg/g	0.57099 µg/g	Pass
Butane	5000 µg/g	ND	17.2402 µg/g	57.09935 µg/g	Pass
Chloroform	1 µg/g	ND	0.16749 µg/g	0.57099 µg/g	Pass
Ethanol		ND	14.13399 µg/g	57.09935 µg/g	N/A
Ethyl acetate	5000 µg/g	ND	17.45337 µg/g	57.09935 µg/g	Pass
Ethylene oxide	1 µg/g	ND	0.18272 µg/g	0.57099 µg/g	Pass
Ethyl ether	5000 µg/g	ND	15.37495 µg/g	57.09935 µg/g	Pass
Heptane	5000 µg/g	ND	13.45261 µg/g	57.09935 µg/g	Pass
Hexane	290 µg/g	ND	20.71184 µg/g	95.16559 µg/g	Pass
Isopropyl alcohol		< LOQ	14.27484 µg/g	57.09935 µg/g	N/A
Methanol	3000 µg/g	ND	12.80167 µg/g	57.09935 µg/g	Pass
Methylene chloride	1 µg/g	ND	0.14465 µg/g	0.57099 µg/g	Pass
Pentane	5000 µg/g	ND	31.48078 µg/g	95.16559 µg/g	Pass
Propane	5000 µg/g	ND	16.2657 µg/g	57.09935 µg/g	Pass
Toluene	890 µg/g	ND	8.98744 µg/g	57.09935 µg/g	Pass
Trichloroethy- lene	1 µg/g	ND	0.07613 µg/g	0.57099 µg/g	Pass
o-Xylene		ND	4.25581 µg/g	28.54968 µg/g	N/A
p- and m-Xylene		ND	3.94366 µg/g	28.54968 µg/g	N/A
Total xylenes	2170 µg/g	ND			Pass