Field Office Compliance - Field Activity - 83713

Van Diest Supply Company - 311107598

1434 220TH ST. Webster City, IA 50595

Hamilton County

FO 2

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Activity Report

Attached Files/Reports

Document Name	Type	File Date	Note
Van Diest Supply Co (2021-09-15) AQ Report.pdf	Inspection Report (public)	09/15/2021	Van Diest Supply Co (2021-09-15) AQ Report
Van Diest Supply Co (2021-11-01) AQ Response.pdf	Inspection Report (public)	09/15/2021	Van Diest Supply Co (2021-11-01) AQ Response

File Name	File Type	File Date	Note

Comments

Date	Comment	Commenter
1/10/2022	Response received addressing each of the deficiencies, see response.	DAVID KNOLL
1/10/2022	LNC issued for operating limits and recordkeeping deficiencies, see report. Response received addressing the deficiencies, see response.	DAVID KNOLL

Comment:

Compliance Tracking

Action Type	Date	Completed Date	Comment	Delete
			1. Determine the manufacturer’s recommended pressure drop across the baghouse in Dry Flowable Plant #3. If the lower limit of 5.0 inches of water is not correct, ensure this correction is made the next time Permit #86-A-117-S5 is opened. 2. Total equipment leak VOC emissions for buildings B40, B45, B49, B42, B46 and B48 are tracked together. The recordkeeping should be broken out to show totals of Buildings 40, 45 and 49 (Permit 14-A-536-S1) and then Buildings 42, 46 and 48 (Permit 14-A-543-S1). 3. The single HAP was not being tracked separately from the total HAP in the Development Center for Liquids (Permits 17-A-007, 17-A-008 and 17-A-009). These were reconstructed during the inspection, but ensure they are tracked separately moving forward. 4. Trimethylamine emissions at the North Flowable Liquid Plant (Permit 12-A-496-S2), were stated to be zero but a column should be added to the recordkeeping spreadsheet to show null emissions.

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