Consumable hemp products—unit of measurement for residual solvent limits, 32.3(2)“b”
ARC 5552C
INSPECTIONS AND APPEALS DEPARTMENT[481]
Notice of Intended Action
Proposing rule making related to residual solvent limits
and providing an opportunity for public comment
The Inspections and Appeals Department hereby proposes to amend Chapter 32, "Consumable Hemp Products," Iowa Administrative Code.
Legal Authority for Rule Making
This rule making is proposed under the authority provided in 2020 Iowa Acts, House File 2581.
State or Federal Law Implemented
This rule making implements, in whole or in part, 2020 Iowa Acts, House File 2581.
Purpose and Summary
This proposed rule making corrects the unit of measurement identified for residual solvent limits. The unit of measurement is changed from "parts per billion" to "parts per million."
Fiscal Impact
This rule making has no fiscal impact to the State of Iowa.
Jobs Impact
After analysis and review of this rule making, no impact on jobs has been found.
Waivers
Any person who believes that the application of the discretionary provisions of this rule making would result in hardship or injustice to that person may petition the Department for a waiver of the discretionary provisions, if any, pursuant to 481—Chapter 6.
Public Comment
Any interested person may submit written comments concerning this proposed rule making. Written comments in response to this rule making must be received by the Department no later than 4:30 p.m. on April 27, 2021. Comments should be directed to:
Ashleigh Hackel Iowa Department of Inspections and Appeals Lucas State Office Building 321 East 12th Street Des Moines, Iowa 50319 Email: ashleigh.hackel@dia.iowa.gov |
Public Hearing
No public hearing is scheduled at this time. As provided in Iowa Code section 17A.4(1)"b," an oral presentation regarding this rule making may be demanded by 25 interested persons, a governmental subdivision, the Administrative Rules Review Committee, an agency, or an association having 25 or more members.
Review by Administrative Rules Review Committee
The Administrative Rules Review Committee, a bipartisan legislative committee which oversees rule making by executive branch agencies, may, on its own motion or on written request by any individual or group, review this rule making at its regular monthly meeting or at a special meeting. The Committee's meetings are open to the public, and interested persons may be heard as provided in Iowa Code section 17A.8(6).
The following rule-making action is proposed:
Amend paragraph 32.3(2)"b" as follows:
b. Residual solvent limits.
(1)1,2- Dimethoxethane Dimethoxyethane, 100 parts per billion million.
(2)1,4-Dioxane, 380 parts per billion million.
(3)1-Butanol, 5,000 parts per billion million.
(4)1-Pentanol, 5,000 parts per billion million.
(5)1-Propanol, 5,000 parts per billion million.
(6)2-Butanol, 5,000 parts per billion million.
(7)2-Butanone, 5,000 parts per billion million.
(8)2-Ethoxyethanol, 5,000 parts per billion million.
(9)2-methylbutane, 5,000 parts per billion million.
(10)2-Propanol (IPA), 5,000 parts per billion million.
(11)Acetone, 5,000 parts per billion million.
(12)Acetonitrile, 410 parts per billion million.
(13)Benzene, 2 parts per billion million.
(14)Butane, 5,000 parts per billion million.
(15)Cumene, 70 parts per billion million.
(16)Cyclohexane, 3,880 parts per billion million.
(17)Dichloromethane, 600 parts per billion million.
(18)2,2-dimethylbutane, 290 parts per billion million.
(19)2,3-dimethylbutane, 290 parts per billion million.
(20)1,2-dimethylbenzene, 2,170 parts per billion million.
(21)1,3-dimethylbenzene, 2,170 parts per billion million.
(22)1,4-dimethylbenzene, 2,170 parts per billion million.
(23)Dimethyl sulfoxide, 5,000 parts per billion million.
(24)Ethanol, 5,000 parts per billion million.
(25)Ethyl acetate, 5,000 parts per billion million.
(26)Ethylbenzene, 2,170 parts per billion million.
(27)Ethyl ether, 5,000 parts per billion million.
(28)Ethylene glycol, 620 parts per billion million.
(29)Ethylene oxide, 50 parts per billion million.
(30)Heptane, 5,000 parts per billion million.
(31)n-Hexane, 290 parts per billion million.
(32)Isopropyl acetate, 5,000 parts per billion million.
(33)Methanol, 3,000 parts per billion million.
(34)Methylpropane, 5,000 parts per billion million.
(35)2-Methylpentane, 290 parts per billion million.
(36)3-Methylpentane, 290 parts per billion million.
(37)N,N-dimethylacetamide, 1,090 parts per billion million.
(38)Pentane, 5,000 parts per billion million.
(39)Propane, 5,000 parts per billion million.
(40)Pyridine, 200 parts per billion million.
(41)Sulfolane, 160 parts per billion million.
(42)Tetrahydrofuran, 720 parts per billion million.
(43)Toluene, 890 parts per billion million.
(44)Xylenes, Total (ortho-, meta-, para-), 2,170 parts per billion million.
This notice is now closed for comments. Collection of comments closed on 4/27/2021.
The official published PDF of this document is available from the Iowa General Assembly’s Administrative Rules page.
View the Iowa Administrative Bulletin for 4/7/2021.
The following administrative rule references were added to this document. You may click a reference to view related notices.
Rule 481-32.3(2)"b"© 2025 State of Iowa | Privacy Policy