OKLAHOMA LAB SUPPLY - CLASS 6

Updated: Feb 1

Effective August 26, 2021 Notification of new regulations regarding un-odorized LP Gas


This blog post serves to notify our valued clientele of the Oklahoma LP Gas Board administrative regulations regarding the delivery and use of un-odorized LP Gas.


Oklahoma LP Gas Board Class 6 Permit Butane, Propane, Isobutane Extraction Lab Supply from Solvent Direct

As a leading global supplier of Lab Grade, Un-odorized Butane, Propane and Isobutane, Solvent Direct works diligently to maintain the highest standards of safety and compliance in lab supply Engineered Specifically for Extraction.

Working closely with the Oklahoma Liquid Petroleum Gas Board and our compliance team, Solvent Direct is ready to resume same-day and next-day deliveries of our industry leading Lab Grade Butane, Propane, Isobutane and Blends in Oklahoma.

Solvent Direct must work to confirm all clientele Class 6 Compliance and register extraction businesses with per the requirements of the LP Gas Board. If your business is ready to take this next step in extraction compliance, please contact a Solvent Direct representative today so we can register your business. If you are unfamiliar with the Oklahoma Class 6 permit requirement, please find further reading and the information sheet attached below.

Please note this only applies to LP Gas such as our Lab Grade Butane, Propane and Isobutane. All other products including chemicals, dry ice, inert gases and filter media are still shipping same day and next day in Oklahoma.


Please contact us at 1-833-PURE-GAS or 1-833-787-3427 if you have any questions or would like help with your Class 6 or C1D1 Compliance.



Oklahoma Class 6 Permit Butane, Propane, Isobutane Extraction Lab Supply from Solvent Direct





Further Reading:

Okla. Admin. Code § 420:10-1-5


Current through Register Vol. 39, No. 3, October 15, 2021

Section 420:10-1-5 - [Effective until 9/14/2021]Permits(a)Permits required. No person, firm, corporation, association or other entity shall engage in the manufacturing, assembling, fabrication, installing or selling of any system, container, or apparatus to be used in this State in or for the transportation, storing, dispensing, or utilization of LPG, nor shall any transporter, distributor, or retailer of LPG store, dispense and/or transport over the highways of this State any LPG for use in this State in any system, container, apparatus or appliance without having first obtained a permit to do so as provided in this section. (b)Permit classifications. The permits required for engaging in business shall be divided into the following classifications: (1)Class I - Dealer permit. The Class I Dealer Permit permits the holder to engage in any phase of the LP Gas business. A Class X Manager's permit must be secured for the person actually in charge of an LP Gas operation at each separate branch or base of operation of a Class I permit holder. The initial permit fee for a Class I is One Thousand Dollars ($1,000.00) The annual renewal fee required to be paid for the Class I permit is Five Hundred Dollars ($500.00). (A) Class I holder can go on inactive status, but will have to meet all the requirements of the permit, including paying the annual renewal fee, and having proper insurance requirements filed with the Administrator, before going back on active status. If requirements are not met the permit will then be revoked. The annual renewal fee required to be paid for a Class I permit holder on inactive status is Four Hundred Dollars ($400.00). (B) Applicant must furnish to the Board, evidence of the following insurance: (i) A minimum of $1,000,000.00 general liability insurance, as per 420:10-1-18; (ii) Worker's Compensation insurance shall be required as per state requirements; (iii) Motor vehicle insurance must meet State and Federal requirements. (C) Brokers/wholesalers selling LP Gas to anyone other than Class I permit holders or refinery/gas processing type facilities shall obtain a Class I permit and meet the requirements thereof, except for minimum storage and metering, when said sales are by transport bulkhead to bulkhead. (D) Before testing for a Class I permit, an applicant must meet the following requirements as approved by the Board: (i) Five (5) years experience as an active Class X Manager or equivalent; and (ii) Forty (40) hours of specified training. (2)Class II - Truck Transporter permit. The Class II Transporter Permit permits the holder to transport LP Gas as a common carrier or private carrier to another of the following: a person, firm, or corporation engaged in the production or manufacture of LP Gas and/or selling or reselling LP Gas to transporters, industrial consumers, processors, distributors, retailers, and/or to holders of Class I, III, or VI permits. A Class II permit shall not authorize the resale of LP Gas to an end-user. A Class II permit shall not be a substitute where a Class I is needed. A transport must meet all CFR 49 requirements. The initial permit fee for a Class II is One Thousand Dollars ($1,000.00). The annual fee for a Class II permit is Four Hundred Dollars ($400.00). All LP Gas transport drivers employed by a Class II permit holder are required to obtain a fuel handlers card. The annual filing fee for a fuel handlers card is Ten Dollars ($10.00). (3)Class III - DOT Cylinder Transporter Permit.(A) The Class III DOT Cylinder Transporter Permit permits the holder to operate a LP Gas cylinder sale or delivery service for LP Gas in accordance with all other rules and regulations and NFPA Pamphlets 54 and 58. (B) The Class III DOT Cylinder Transporter Permit for Un-Odorized LP Gas Endorsement. A separate endorsement to a Class III permit is required, if applicable, and in addition to the Class III DOT Cylinder Transporter Permit, and allows the holder to operate a DOT cylinder sale or delivery service for un-odorized LP Gas in accordance with all other rules and regulations, NFPA Pamphlets 54 and 58, and the following: (i) Pursuant to this Endorsement, un-odorized LP Gas shall be sold or delivered in approved DOT cylinders only. (ii) All deliveries shall be made in appropriately marked and placarded vehicles. (iii) Delivery vehicles shall be operated by licensed personnel holding appropriate certificates and qualifications for the safe handling of LP Gas. (iv) Prior to application or renewal of any Class III DOT Cylinder Transporter Permit for Un-Odorized LP Gas Endorsement the applicant or holder shall provide the Administration as part of this application or renewal a complete list of facilities and each delivery location, including name of facility, street address of facility, name of contact person and contact information of said facility and the name and location of the Class I permit dealer supplying the Un-Odorized LP Gas to the permit holder. (v) Sales or deliveries of un-odorized LP Gas made pursuant to this Endorsement shall be made to facilities properly permitted by this Administration only. (C) The Bulk Delivery Class III A Endorsement. The separate Class III A Bulk Delivery Endorsement to the Class III permit is required if applicable and shall permit the holder to invoice the end user for bulk delivery of odorized LP Gas to the facility of the end user only when the LP Gas is delivered to that location by a Class I permit holder. (D) The annual fee for a Class III permit is $300. The annual fee for the Un-Odorized LP Gas Endorsement is $300. The annual fee for the Bulk Delivery Endorsement is $300. (E) All DOT cylinder transport drivers employed by a Class III permit holder are required to obtain a fuel handlers card. The annual filing fee for a fuel handlers card is Ten Dollars ($10.00). (4)Class IV - Installer permit.(A) The Class IV Installer Permit permits the holder to install and service LP Gas systems, appliances, and other LP Gas equipment. The applicant is required to have immediate supervision for two (2) weeks with a Class IV, IV-D, Class X, or a person licensed by Oklahoma Construction Industries Board with a Mechanical License, and then shall be required to pass a written examination for each separate endorsement. The endorsements will be as follows: (i) LP, Low Pressure systems covered by NFPA 54; (ii) HP, High Pressure systems covered by NFPA 58; (iii) RV, Recreational Vehicle systems covered by NFPA 1192; (iv) MC, Meter Calibration systems covered by NIST Handbook 44; (v) TI, Truck Inspections and Piping covered by NFPA 58 and CFR 49; (vi) DO, Dispenser Operator for Class IV permit holders that also dispense propane. (B) Exception from two (2) week training period would be anyone already licensed by Oklahoma Construction Industries Board with a Mechanical License. If the supervising person determines that the new applicant is properly trained, proper documentation of the training is on file, and a Class IV application has been forwarded to the LP Gas Administration, the applicant at that time may begin performing the duties of a Class IV permit holder until such time as the test is administered and the permit issued. This time shall not exceed thirty (30) days or the applicant shall cease to perform these duties. Current Class IV's, as of September 1, 1994, are not required to take a written exam. Upon renewal, endorsements will be based on services provided as authorized by the Administrator. The annual fee for a Class IV permit with one (1) endorsement is Seventy Dollars ($70.00). Each additional endorsement is Ten Dollars ($10.00). (C) Class IV permit does not permit the holder to install or service LP-Gas carburetion systems. (D) Any installer not under the personal and direct supervision of a Class X holder at the immediate time and location of installation shall be required to have a Class IV or IV-D permit. (5)Class IV-D - Driver/Installer Permit.(A) The Class IV-D Driver/Installer Permit permits the holder to deliver LP Gas by bobtail and install and service LP Gas systems, appliance, and other LP Gas equipment. Class IV-D permit can only be issued under a Class I permit. New applicants must be under immediate supervision from a current Class IV-D, or Class X while in a minimum of a two (2) week training period before testing. Permit holder shall be required to pass a written examination. The tests shall be given according to current policies of the LP Gas Administration. If the supervising Class X determines that the new applicant is properly trained, proper documentation of the training is on file, and a Class IV-D application has been forwarded to the LP Gas Administration, the applicant at that time may begin performing the duties of a Class IV-D permit holder until such time as the test is administered and the permit issued. This time shall not exceed thirty (30) days or the applicant shall cease to perform these duties. Current Class IV permit holders, as of September 1, 1994, properly trained in delivery of LP Gas will not be required to take the test and will be issued a IV-D permit. The annual fee for a Class IV-D is Fifty Dollars ($50.00). (B) Class IV-D permit does not permit the holder to install or service LP Gas carburetion systems. (C) Any installer not under the personal and direct supervision of a Class X holder at the immediate time and location of installation shall be required to have a Class IV or IV-D permit. (6)Class VI - DOT Cylinder &/or LP Gas Motor Fuel Station Operator Permit.(A) The Class VI DOT Cylinder and/or LP Gas Motor Fuel Station Operator Permit permits the holder to operate DOT cylinder dispensing station and/or a motor fuel dispenser for public resale. Said Permit must be prominently displayed for public and official inspection at all times. A permit is required for each DOT cylinder dispensing station and/or motor fuel station. The endorsements will be as follows: (i) AAG, This Attended Autogas "AAG" endorsement permits the holder to operate LP Gas dispenser stations that fill DOT cylinders and/or Attended LP Gas motor fuel refueling dispensers for resale. (ii) UAG, This Unattended Autogas "UAG" endorsement permits the holder to operate Unattended self-service LP Gas motor fuel dispenser stations; however, these installations require more stringent regulations than those that are attended. In addition to the requirements in this section, the permit holder shall be required to install equipment that meets or exceeds the minimum installation and performance standards described in OAC Section 420:10-1-14(28). For the purpose of defraying the cost and expenses of administering and enforcing this rule, persons, firms and corporations shall pay at the time of initial inspection a fee of Three Hundred Dollars ($300.00) for each unattended LP Gas motor fuel dispenser station. Thereafter, the annual inspection fee is One Hundred Fifty Dollars ($150.00) for each unattended LP Gas motor fuel dispenser station. (B) Permit holder must comply with reasonable training requirements of the Class 1 and Class 10 manager of the LP Gas provider insuring that all employees dispensing LP Gas at each location of permit holder are trained and permitted by this agency including notification to the Class 10 manager whenever training is necessary for new and/or unpermitted employees. Class VI locations may not become operational until a permit has been issued. A Class VI-A LP Gas Dispensing permit must be secured for the person actually in charge of an LP Gas dispensing operation of a Class VI permit holder. A permit will not be issued until the proper fee has been paid and certificate of insurance is received by the LP Gas Administration. The annual fee for a Class VI permit is One Hundred Fifty Dollars ($150.00). (C) Un-Odorized LP Gas End User Endorsement. Facilities obtaining un-odorized LP Gas in approved DOT cylinders or otherwise for use must obtain an Un-Odorized LP Gas End User Endorsement. To obtain such an endorsement, detailed plans describing such use and location of cylinder storage, and any and all LP Gas plumbing in said facility must be submitted in writing and approved for any facility using un-odorized LP Gas in any manner. These plans must be submitted to the Administration Office along with the proper fee, and an on-site inspection must be performed by a Safety Code Enforcement Officer prior to final approval and before the introduction of LP Gas into the system. A $100.00 plan review fee must accompany all plans submitted. The fee for the inspection is $100.00. The annual fee for the Un-Odorized LP Gas End User Endorsement is $500. This endorsement must be prominently displayed for official inspection at any time. (7)Class VI-A - LP Gas Dispensing Permit. All employees involved in dispensing LP Gas must acquire a Class VI-A permit, except a Class IV, Class IV-D, and Class X. A Class VI-A LP Gas Dispensing permit is required for a person actively in charge of or engaged in LP Gas dispensing operations for the holder of a Class VI permit. All Class VI-A permit holders must be an employee of said Class VI permit holder. Class VI-A applicants must be properly trained by a Class X or at a Board-approved training class on proper filling of ASME tanks and DOT cylinders, and inspection thereof per NFPA 58. Applicants shall be required to pass an approved written examination. Test shall be administered by a Safety Code Enforcement Officer, or by Class X manager. In either case, the test fee for the Class VI-A permit is Ten Dollars ($10.00). Holder must post permit at the facility they are employed by and attend a Board-approved annual safety school once every year. This does not prohibit any person, firm or corporation from filling his own equipment from his own supply line, or dispensing motor fuel from an approved limited access self-service dispenser. The annual fee for a Class VI-A permit is Thirty Five Dollars ($35.00). (8)Class VII - Cylinder Exchange Program Permit. The Class VII Cylinder Exchange Program Permit permits the holder to participate in the cylinder exchange program for odorized LP Gas only . A permit is required for each cylinder exchange location. Class VII locations may not become operational until a permit has been issued. Permits will not be issued until the proper fee has been paid and certificate of insurance is received by the LP Gas Administration. The annual fee for a Class VII permit is Fifty Dollars ($50.00). (9)Class IX - LP Gas Container Sales Permit. The Class IX Gas Container Sales Permit permits the holder to manufacture and/or sell LP Gas containers. This permit is required by both wholesalers and retailer. The annual fee for a Class IX permit is Seventy Dollars ($70.00). (10)Class IX-A - Manufactured Homes and Recreation Sales Permit.(A) The Class IX-A Manufactured Homes and Recreation Sales Permit permits the holder to manufacture, fabricate and sell all LP Gas facilities or systems used in manufactured homes, campers, recreational vehicles and portable buildings whether such LP Gas system is manufactured, fabricated or sold separately or as an integral part of such trailer, camper, recreational vehicle or portable building. The annual fee for a Class IX-A is Seventy Dollars ($70.00). (B) This shall not be construed to require a permit for a sale by the owner of a manufactured home or recreational vehicle who is not engaged in such business on a commercial basis and does not make over two such sales in one year. (11)Class X - Manager's Permit.(A) A Class X Manager's permit is required for a person actively in charge of LP Gas operation for holder of Class I permit and at each separate branch or base of operation of a Class I permit. All Class X holders must be a full-time employee of said Class I holder. The annual fee for a Class X permit is One Hundred Fifty Dollars ($150.00). (B) Before testing for a Class X permit, an applicant must meet the following requirements as approved by the Board: (i) Hold an active Class IV or Class IV-D permit and employed under an active Class I Dealer for a minimum of three (3) years or equivalent; and (ii) One (1) year of the minimum three (3) years required experience can be satisfied with forty (40) hours of specified training. (C) Temporary exemptions for emergency conditions can be granted by the Administrator. (12)Additional permits required for employees of Class I dealers. Class IV, IV-D, VI-A, and X permits are the only additional permits that may be required for the employees of a Class I dealer, or as may be required by future Board action. (13)LP Gas Trailer, Bobtail or Cargo Tank inspections. For the purpose of defraying the cost and expenses of administering and enforcing this act, persons, firms and corporations shall also pay at the time of inspection an annual inspection fee of One Hundred Fifty Dollars ($150.00) for each LP Gas bobtail, MC 330 or MC 331 trailer or cargo tank that transports LP Gas in this State. All requirements imposed subsequent to these inspections must be met within thirty (30) days of the initial inspection. Failure to comply will necessitate a re-inspection at a charge of One Hundred Fifty Dollars ($150.00) for each inspection. The inspection fee shall increase to Three Hundred Dollars ($300.00) for each LP Gas bobtail, MC 330 or MC 331 trailer or cargo tank that transports LP Gas in this State if said LP Gas bobtail, MC 330 or MC 331 trailer or cargo tank is not initially inspected within sixty (60) days following the current permit expiration date, or if requirements imposed subsequent to the initial inspection are not completed within sixty (60) days of the initial inspection, whichever is later, or at the discretion of the Administrator. (14)Containers or cylinders. There is hereby levied the following fee, to be paid to the Administrator, upon all first sales, purchases, rentals or uses in this state of liquefied petroleum gas containers or cylinders; on all Department of Transportation (DOT) cylinders, vehicle fuel containers, a fee of Three Dollars ($3.00) each, and on all other containers, a fee of Ten Dollars ($10.00) each. Okla. Admin. Code § 420:10-1-5Amended by Oklahoma Register, Volume 37, Issue 21, July 15, 2020, eff. 6/2/2020





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