Delaware Administrative Code
Title 4 - Alcoholic Beverage Control
Department of Safety and Homeland Security
Office of the Marijuana Commissioner
5000
5001 - Rules of the Office of the Marijuana Commissioner
Section 5001-11.0 - Testing and Sampling
Current through Register Vol. 28, No. 3, September 1, 2024
11.1 Applicability
11.2 Mandatory compliance testing. Marijuana testing facilities must test samples of marijuana and marijuana products for the following:
11.3 Testing failure thresholds. A sample of marijuana or marijuana products must be found to fail a laboratory test if it contains contaminants in quantities or concentrations as follows:
11.4 Sample collection procedures
TABLE 1: Example of Sample Size Based Upon Matrix Type and Batch Type:
Matrix Type |
Batch Weight |
Batch Units |
Sample Amount [(Portion)] |
Marijuana Flower |
[LESS THEN EQUAL TO] 5lbs |
3 grams |
|
5.1lbs < w [LESS THEN EQUAL TO] 10lbs |
11 grams |
||
Marijuana Concentrates |
[LESS THEN EQUAL TO] 1lbs |
1.5 grams |
|
1.1bls < w [LESS THEN EQUAL TO] 2lbs |
2 grams |
||
2.1bls < w [LESS THEN EQUAL TO] 3lbs |
3 grams |
||
3.1bls < w [LESS THEN EQUAL TO] 4lbs |
4 grams |
||
4.1bls < w [LESS THEN EQUAL TO] 5lbs |
5 grams |
||
Marijuana Products |
- |
1-250 |
1 unit |
- |
251-500 |
2 units |
|
- |
501-1,000 |
4 units |
|
- |
1001-3,000 |
7 units |
|
- |
3,001-10,000 |
11 units |
|
- |
>10,001 |
16 units |
11.5 Reporting requirements
11.6 Retesting and remediation of failed marijuana or marijuana products
11.7 Testing for research and development purposes
11.8 Test categories for marijuana and marijuana products
11.9 Sampling requirements
11.10 Approved methods and technical requirements for testing
TABLE 2: List of Approved Methods for the Analysis of Cannabinoids and Contaminants
Analytical Component | Methodology |
[DELTA]9-THC, [DELTA]8-THC, THCA, CBD, CBDA | LC-DAD |
CBC, CBCA, CBG, CBGA, CBN, CBNA | LC - MS, LC-MS/MS |
GC/ FID | |
Arsenic-Total mg/L | Digestion followed by ICP/MS |
Cadmium-Total mg/L | Digestion followed by ICP/MS |
Digestion followed by Flame AA | |
Digestion followed by Graphite Furnace | |
Lead-Total, mg/L | Digestion followed by ICP/MS |
Digestion followed by Flame AA | |
Digestion followed by Graphite Furnace | |
Mercury-Total, mg/L | Digestion followed by ICP/MS |
Cold Vapor AA | |
Pesticides and Plant Growth Regulators - mg/L | QuEChERS, GC-MS, GC-MS/MS |
QuEChERS,LC-MS, LC- MS/MS | |
QuEChERS GC-ECD, GC-NPD, LC-FLD | |
Water Activity | Humidity Meter, Hygrodynamic Hygrometer |
Total Viable Aerobic Bacteria | Culture and enumeration |
Total Yeast and Mold | Culture and enumeration |
Total Coliforms | Culture and enumeration |
Residual Solvents | Headspace GC/FID |
TABLE 3: Analysis Requirements for Metals in Marijuana and Marijuana Products for All Uses.
METAL |
ALL USES* Upper Limit (ppm) |
MARIJUANA-INFUSED PRODUCTS ONLY Upper Limit (ppm) |
Arsenic (inorganic) |
<0.2 |
<0.2 |
Cadmium |
<0.2 |
<0.2 |
Lead |
<0.5 |
<0.5 |
Mercury |
<0.1 |
<0.1 |
* These limits apply to finished marijuana plant material, marijuana resin, and marijuana concentrates intended for ingestion, inhalation, or dermal application. These limits are based on inhalation limits described in USP<232> Elemental Impurities-Limits. |
TABLE 4: Minimum Analysis Requirements for Residues of Pesticides and Plant Growth Regulators:
PESTICIDE |
CAS # |
USE |
RESIDUE ANALYTICAL METHODS |
Abamectin (Avermectins B1a and B1b) |
71751-41-2 |
Insecticide/acaricide |
LC-FLD; LC-MS/MS |
Acequinocyl |
57960-19-7 |
Insecticide/acaricide |
LC/MS/MS |
Bifenazate |
149877-41-8 |
Acaricide |
LC; LC-MS/MS |
Bifenthrin (synthetic pyrethroid) |
82657-04-3 |
Insecticide |
GC-ECD; GC-MS/MS LC- MS/MS |
Chlormequat chloride |
7003-89-6 |
Plant growth regulator |
IC, LC-MS/MS |
Cyfluthrin (synthetic pyrethroid) |
6859-37-5 |
Insecticide |
LC; GC-MS/MS; LC-MS/MS |
Daminozide (Alar) |
1596-84-5 |
Plant growth regulator |
LC/UV; LC-MS/MS |
Etoxazole |
153233-91-1 |
Acaricide |
GC-MS(/MS); LC-MS/MS |
Fenoxycarb |
72490-01-8 |
Insecticide |
LCUV; LC-MS/MS |
Imazalil |
35554-44-0 |
Fungicide |
GC-ECD; LC-MS/MS |
Imidacloprid |
138261-41-3 |
Insecticide |
LC-MS/MS |
Myclobutanil |
88671-89-0 |
Fungicide |
GC-ECD; GC-NPD; GSMS/MS; LC-MS/MS |
Paclobutrazol |
76738-62-0 |
Plant growth regulator; fungicide |
LC-MS/MS |
Spinosad |
168316-95-8 |
Insecticide |
LC-MS/MS |
Spiromesifen |
283594-90-1 |
Insecticide |
GC-MS; LC-MS/MS |
Spirotetramat |
20313-25-1 |
Insecticide |
LC/LC-MS/MS |
Trifloxystrobin |
141517-21-7 |
Fungicide |
GC-NPD; GC-MS/MS; LCMS/MS |
Acequinocyl |
57960-19-7 |
Insecticide/acaricide |
LC/MS/MS |
Bifenazate |
149877-41-8 |
Acaricide |
LC; LC-MS/MS |
Bifenthrin (synthetic pyrethroid) |
82657-04-3 |
Insecticide |
GC-ECD; GC-MS/MS LC- MS/MS |
Chlormequat chloride |
7003-89-6 |
Plant growth regulator |
IC, LC-MS/MS |
Cyfluthrin (synthetic pyrethroid) |
6859-37-5 |
Insecticide |
LC; GC-MS/MS; LC-MS/MS |
Daminozide (Alar) |
1596-84-5 |
Plant growth regulator |
LC/UV; LC-MS/MS |
Etoxazole |
153233-91-1 |
Acaricide |
GC-MS(/MS); LC-MS/MS |
Fenoxycarb |
72490-01-8 |
Insecticide |
LC/UV; LC-MS/MS |
Imazalil |
35554-44-0 |
Fungicide |
GC-ECD; LC-MS/MS |
Imidacloprid |
138261-41-3 |
Insecticide |
LC-MS/MS |
Myclobutanil |
88671-89-0 |
Fungicide |
GC-ECD; GC-NPD; GSMS/MS; LC-MS/MS |
Paclobutrazol |
76738-62-0 |
Plant growth regulator; fungicide |
LC-MS/MS |
Spinosad |
168316-95-8 |
Insecticide |
LC-MS/MS |
Spiromesifen |
283594-90- |
Insecticide |
GC-MS; LC-MS/MS |
Spirotetramat |
20313-25-1 |
Insecticide |
LC/LC-MS/MS |
Trifloxystrobin |
141517-21-7 |
Fungicide |
GC-NPD; GC-MS/MS; LCMS/MS |
TABLE 5: Upper Limits for Microbiological Contaminants
MARIJUANA MATERIAL |
TOTAL VIABLE AEROBIC BACTERIA (CFU*/g) |
TOTAL YEAST AND MOLD (CFU/g) |
TOTAL COLIFORMS [AND Escherichia coli] (CFU/g) |
Finished plant material |
400 CFU/g |
400 CFU/g |
IF DETECTED] |
* CFU means colony forming unit. |
TABLE 6: Analysis Requirements for Residual Solvents
SOLVENT |
CAS # |
UPPER LIMIT (mg/kg)* |
SOLVENT |
CAS # |
UPPER LIMIT (mg/kg)* |
Acetone |
67-64-1 |
5000 |
Heptane |
142-82-5 |
5000 |
Acetonitrile |
75-05-8 |
410 |
Hexane |
110-54-3 |
290 |
Benzene ** |
71-43-2 |
2 |
Isobutane |
75-28-5 |
5000 |
Butane |
106-97-8 |
5000 |
Isopropyl acetate |
108-21-4 |
5000 |
1-Butanol |
71-36-3 |
5000 |
Methanol |
67-56-1 |
3000 |
2-Butanol |
78-92-2 |
5000 |
Methylbutylketone |
591-78-6 |
50 |
2-Butanone |
78-93-3 |
5000 |
Methylcyclohexane |
108-87-2 |
1180 |
Carbon tetrachloride** |
56-23-5 |
4 |
Methylethylketone |
78-93-3 |
5000 |
Cumene |
98-82-8 |
70 |
Methylisobutylketone |
108-10-1 |
5000 |
Cyclohexane |
110-82-7 |
3880 |
Methylpropane |
75-28-5 |
5000 |
1,2-Dichlorethane** |
107-06-2 |
5 |
2-Methyl-1- propanol |
78-83-1 |
5000 |
1,1-Dichloroethene** |
75-35-4 |
8 |
2-Methylbutane |
78-78-4 |
5000 |
1,2-Dichloroethene |
540-59-0 |
1870 |
2-Methylpentane |
107-83-5 |
290 |
Dichloromethane |
75-09-2 |
600 |
3-Methylpentane |
96-14-0 |
290 |
1,2-Dimethoxyethane |
110-71-4 |
100 |
N-Methylpyrrolidone |
872-50-4 |
530 |
1,2-Dimethylbenzene |
95-47-6 |
2170 |
Nitromethane |
75-52-5 |
50 |
1,3-Dimethylbenzene |
108-38-3 |
2170 |
Pentane |
109-66-0 |
5000 |
1,4-Dimethylbenzene |
106-42-3 |
2170 |
1-Pentanol |
71-41-0 |
5000 |
2,2-Dimethylbutane |
75-83-2 |
290 |
1-Propanol |
71-23-8 |
5000 |
2,3-Dimethylbutane |
79-29-8 |
290 |
2-Propanol |
67-63-0 |
5000 |
N,N-Dimethylacetamide |
127-19-5 |
1090 |
Propane |
74-98-6 |
5000 |
N,N-Dimethylformamide |
68-12-2 |
880 |
Propyl acetate |
109-60-4 |
5000 |
Dimethyl sulfoxide |
67-68-5 |
5000 |
Pyridine |
110-86-1 |
200 |
1,4-Dioxane |
123-91-1 |
380 |
Sulfolane |
126-33-0 |
160 |
Ethanol |
64-17-5 |
5000 |
Tetrahydrofuran |
109-99-9 |
720 |
2-Ethoxyethanol |
110-80-5 |
160 |
Tetralin |
119-64-2 |
100 |
Ethyl acetate |
141-78-6 |
5000 |
Toluene |
108-88-3 |
890 |
Ethylbenzene |
100-41-4 |
70 |
1,1,1-Trichloroethane** |
71-55-6 |
1500 |
Ethylene glycol |
107-21-1 |
620 |
1,1,2-Trichloroethylene |
79-01-6 |
80 |
Ethylene oxide |
75-21-80 |
50 |
Xylene |
1330-20-7 |
2170 |
Ethyl ether |
60-29-7 |
5000 |
1,1,2-Trichloroethylene |
79-01-6 |
80 |
* See Section 6.0 of this regulation for further information. |
|||||
** Class 1 solvents provided by USP Chapter <467> shall not be used in the production of any marijuana or marijuana product. |