Fitz Mill Grinder

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1.0 Purpose 
 
 The purpose of this procedure is to define the process for the operation and cleaning of the Fitz
 
 Mill Grinder. 
 
 2.0 Scope 
 
 This procedure applies to the Fitzpatrick Mill Grinder in operation at Ion Labs, Inc.
 
 3.0 Responsibility 
 
 3.1 It is the responsibility of all Production (Compression) personnel to follow this
 
 procedure. 
 
 3.2 It is the responsibility of the Department Supervisor/Manager to implement this
 
 procedure and to ensure that this procedure is being followed. 
 
 3.3 It is the responsibility of Maintenance and Production Management to keep this
 
 procedure aligned with current practices. 
 
 4.0 Definitions 
 
 4.1 IPA — 70% Isopropyl Alcohol 
 
 5.0 References 
 
 5.1 B-111, SOP, Cleaning of Manufacturing/Production Areas and Equipment
 
 6.0 Procedure 
 
 6.1 Operation 
 
 
 

[SOP B-211 | Page 2 of 2]

 Standard Operating Procedure SOP No Rev 
 Fitz Mill Grinder B-211 Page 2 of 2 
 
 Before plugging unit into a power receptacle, ensure the discharge chute section
 has a plastic or clean cloth sock attached to direct the discharge into a plastic
 
 lined drum. 
 
 6.1.2 Ensure the mesh screen is in place under the hammer section of the unit.
 
 Flip the switch to on, to start the Fitz Mill grinder. 
 
 6.1.4 Wear safety glasses to protect eyes. 
 
 6.1.5 Begin feeding material to be milled through the top inlet chute above the
 hammers. 
 
 6.1.6 WARNING: Keep hands and fingers away from operating hammers. Do not
 
 poke or stick objects into the hammer section while the unit is plugged into a
 power receptacle. 
 
 6.1.7. The unit has only one speed, so no adjustment is required. 
 
 6.2 Cleaning 
 
 6.2.1 Refer to SOP B-111 Cleaning of Manufacturing/Production Areas and
 Equipment to follow the cleaning procedure applicable to this type of
 
 equipment. 
 
 7.0 Revision History 

| Rev | Date | Description of Changes | CCR # | By |
|-----|----------|------------------------|-------|----|
| 0 | 08/26/10 | New ~ - | - | - |
| 1 | 03/26/13 | Updated SOP format | 13-209 | B. Mosall |
| 2 | 01/27/16 | Biennial Review: updated SOP format | 15-0545 | P. Zittere |
| 3 | 03/25/19 | Scheduled review: update formatting. | 19-0077 | K. Burris |
| 4 | 04/06/22 | Scheduled review: Updated responsibilities and cleaning sections. CC- Changed logo. | 22-0158 | K. Burris |