Residual Solvents

/Residual Solvents
Residual Solvents2019-02-05T22:25:45+00:00

Cannabis products produced on or after January 1st, 2018 must be tested for Category I solvents. Cannabis products produced on or after July 1st, 2018 must be tested for Category I and Category II solvents.

Category I
Analyte CAS number Action level (ug/g)
1,2-Dichlorobenzene 0107-06-02 1
Benzene 71-43-2 1
Chloroform 67-66-3 1
Ethylene oxide 75-21-8 1
Methylene chloride 75-09-2 1
Trichloroethylene 79-01-6 1
Category II
Analyte CAS number Action level (ug/g)
Acetone 67-64-1 1000
Acetonitrile 75-05-8 80
n-Butane 106-97-8 1000
Ethanol 64-17-5 1000
Ethyl acetate 141-78-6 1000
Ethyl ether 60-29-7 1000
Heptane 142-82-5 1000
Hexane 110-54-3 60
Isopropyl alcohol 67-63-0 1000
Methanol 67-56-1 600
n-Pentane 109-66-0 1000
Propane 74-98-6 1000
Toluene 108-88-3 180
Total xylenes (ortho-, meta-, para-) 1330-20-7 430

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