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April 25, 2016 Mike Maloney, Plant Manager Unimin Corp - Guion Facility PO Box 29 Guion, AR 725400029 RE: Unimin Corp - Guion Facility Inspections (Izard Co) AFIN: 33-00002 NPDES Permit No.: AR0001899 ARR00B148 Dear Mr. Maloney: On March 17, 2016, I performed a Compliance Evaluation Inspection and an Industrial Stormwater Inspection of the above-referenced facility in accordance with the provisions of the Federal Clean Water Act, the Arkansas Water and Air Pollution Control Act, and the regulations promulgated thereunder. Copies of the inspection reports are enclosed for your records. Please refer to the “Summary of Findings” section of each of the attached inspection reports and provide a written response for each violation that was noted. This response should be mailed to the attention of the Water Division Inspection Branch at the address at the bottom of this letter or e-mailed to [email protected]. This response should contain documentation describing the course of action taken to correct each item noted. This corrective action should be completed as soon as possible, and the written response with all necessary documentation (i.e., photos) is due by May 9, 2016. If I can be of any assistance, please contact me at [email protected] or (501) 682-0642. Sincerely,

Kerri McCabe Inspector Supervisor Water Division cc: Mike Maloney, Unimin Corp, Plant Manager, [email protected]

Gary Blankenship, Unimin Corp, Health & Safety Supervisor, [email protected]

Inspection Report: Unimin Corp - Guion Facility, AFIN: 33-00002, Permit #: AR0001899

Inspection Report Page 2 of 19

WATER DIVISION INSPECTION REPORT AFIN: 33-00002 PERMIT #: AR0001899 DATE: 3/17/2016 COUNTY: 33 Izard PDS #: 090396 MEDIA: WN GPS LAT: 35.923808 LONG: -91.939517 LOCATION: Entrance

FACILITY INFORMATION INSPECTION INFORMATION NAME:

Unimin Corp - Guion Facility LOCATION:

421 Main Street CITY:

Guion, AR

FACILITY TYPE:

2 - Industrial INSPECTOR ID#:

84022 S - State FACILITY EVALUATION RATING:

2 - Marginal INSPECTION TYPE:

Compliance Evaluation DATE(S): ENTRY TIME: EXIT TIME:

3/17/2016 08:30 14:30

PERMIT EFFECTIVE DATE:

4/1/2011 PERMIT EXPIRATION DATE:

3/31/2016 RESPONSIBLE OFFICIAL

NAME: / TITLE

Mike Maloney / Plant Manager COMPANY: Unimin Corp - Guion Facility MAILING ADDRESS:

PO Box 29 CITY, STATE, ZIP: Guion AR 725400029 PHONE & EXT: / FAX:

870-346-5301 / EMAIL:

[email protected]

FAYETTEVILLE SHALE RELATED: N FAYETTEVILLE SHALE VIOLATIONS: N

INSPECTION PARTICIPANTS NAME/TITLE/PHONE/FAX/EMAIL/ETC.:

Gary Blankenship/Health & Safety Supervisor/(870) 346-2041/[email protected] District 2 Inspector Cody Wallace

CONTACTED DURING INSPECTION: Yes AREA EVALUATIONS

(S=Satisfactory, M=Marginal, U=Unsatisfactory, N=Not Applicable/Evaluated)

M PERMIT S FLOW MEASUREMENT N STORMWATER M RECORDS/REPORTS S LABORATORY S FACILITY SITE REVIEW S OPERATION & MAINTENANCE S EFFLUENT/RECEIVING WATER S SELF-MONITORING PROGRAM S SAMPLING N SLUDGE HANDLING/DISPOSAL N PRETREATMENT ** OTHER:

SUMMARY OF FINDINGS The following violations were noted during the inspection: 1.) The facility has modified part of the treatment system. Specifically, the channel from the settling ponds that flows toward Outfall 001 has been reclaimed and a new recirculation pond has been constructed that has an overflow pipe that discharges upstream of Outfall 001. This is a violation of APC&EC Regulation 6.106 (A). A State WWTP Construction permit needs to be obtained from the Department prior to any modifications being made to the existing treatment facility. Please contact Loretta Reiber, PE, Permit Engineer, at (501) 682-0612. 2.) The facility’s in-house lab utilizes several separate records to track sampled/analyzed parameters. These records need to be combined into a format that contains all information that is required per Part III, Sec C, 8. A-F. of the permit. Per a phone conversation conducted with Unimin personnel on March 18, 2016, the lab’s bench sheets have been updated to reflect the required information. No further response is required for this violation. Please be advised that if sampling is conducted more frequently than specified in the permit (i.e., monthly vs. quarterly), those data are to be included with the DMR. Please review Part III, Sec C, 6 of the permit. Per Regulation 6.201, the permit has continued beyond the expiration date. Permittee is in the process of permit renewal for the NPDES permit.



GENERAL COMMENTS On Thursday, March 17, 2016 an inspection was conducted of Unimin Corp.’s wastewater treatment plant with the above-mentioned inspection participants. The inspection consisted of a site assessment and a records review. Site assessment: Treatment for Outfalls 001 and 011 consists of some mechanical process (plate press) and the addition of flocculants to dewater tailings and/or flocculate tailings for easier settling in a series of ponds. Currently, Ponds L, S, and T are being used as settling ponds for process water. There is no treatment at Outfall 010, which is the dewatering from the underground mine portion of the site. The facility has numerous ponds available and several are in various stages of reclamation. Outfall 011 is situated at the end of a process pond with an appropriate flow measuring device, and there is no commingling of any other surface waters. The pond is open and does receive rainfall. Outfall 001 is at the end of a channel that currently potentially receives discharges from the intake pond overflow (freshwater source for internal processes) and the newly constructed recirculation pond overflow (reuse water for internal processes) as well as concentrated stormwater during measureable storm events. The channel from the former process pond that converged with Outfall 001’s channel has been reclaimed and does not discharge via Outfall 001 anymore. The current setup at Outfall 001 is not representative of the nature and volume of the discharge described for this outfall (see Part I, Sec A, Outfall 001). Outfall 001 should be moved to the overflow pipe at the recirculation pond to avoid any commingling of process water with any non-process waters. A weir can be installed at the overflow pipe for measuring flow and collecting samples. Outfall 010 is situated at the exit of the underground mine and is outfitted with an appropriate flow measuring device. Samples are collected prior to any commingling of process water with stormwater. Permit AR0001899C for the construction of Pond T and modifications to Outfall 009 were completed in 2012. That permit was voided per a letter dated July 17, 2012 from the Permits Branch. The consulting engineer for Unimin included this voided permit with the 2015 renewal application for permit AR0001899. This voided permit does not authorize Unimin to make adjustments or modifications to the existing treatment system. Records review: Records are well-organized. Several documents pertaining to the NPDES permit parameters are kept as separate pieces, and the facility needs to formulate bench sheets for each parameter sampled or a single complete bench sheet for all parameters that contains all the information required per Part III, Sec C, 8. A-F. of the permit. These bench sheets should be kept with the records that are used to complete the DMRs and provided upon request.

INSPECTOR’S SIGNATURE: Kerri McCabe DATE: 4/20/2016

SUPERVISOR’S SIGNATURE: Jason Bolenbaugh DATE: 4/25/2016



SECTION A: PERMIT VERIFICATION PERMIT SATISFACTORILY ADDRESSES OBSERVATIONS S M U NA NEDETAILS: Description of Outfall 001 has changed. 1. CORRECT NAME AND MAILING ADDRESS OF PERMITTEE: Y N NA NE 2. NOTIFICATION GIVEN TO EPA/STATE OF NEW DIFFERENT OR INCREASED DISCHARGES: Y N NA NE 3. NUMBER AND LOCATION OF DISCHARGE POINTS AS DESCRIBED IN PERMIT: Outfall 001 needs to be reevaluated; overflow pipe

from recirculation pond is more representative instead of setup described in permit. Y N NA NE

4. ALL DISCHARGES ARE PERMITTED: Y N NA NE

SECTION B: RECORDKEEPING AND REPORTING EVALUATION RECORDS AND REPORTS MAINTAINED AS REQUIRED BY PERMIT S M U NA NEDETAILS: 1. ANALYTICAL RESULTS CONSISTENT WITH DATA REPORTED ON DMRS: Value for COD for Outfall 011 for March 2015 could not be

duplicated with analyses sheets provided; DMR indicated this parameter was sampled monthly instead of quarterly. Y N NA NE

2. SAMPLING AND ANALYSES DATA ADEQUATE AND INCLUDE: All information is provided, but on several, separate documents. S M U NA NE a. DATES AND TIME(S) OF SAMPLING: Y N NA NE b. EXACT LOCATION(S) OF SAMPLING: Y N NA NE c. NAME OF INDIVIDUAL PERFORMING SAMPLING: Y N NA NE d. ANALYTICAL METHODS AND TECHNIQUES: Y N NA NE e. RESULTS OF CALIBRATIONS: Y N NA NE f. RESULTS OF ANALYSES: Y N NA NE g. DATES AND TIMES OF ANALYSES: Y N NA NE h. NAME OF PERSON(S) PERFORMING ANALYSES: Y N NA NE

3. LABORATORY EQUIPMENT CALIBRATION AND MAINTENANCE RECORDS ADEQUATE: S M U NA NE 4. PLANT RECORDS INCLUDE SCHEDULES, DATES OF EQUIPMENT MAINTENANCE AND REPAIR: S M U NA NE 5. EFFLUENT LOADINGS CALCULATED USING DAILY EFFLUENT FLOW AND DAILY ANALYTICAL DATA: Y N NA NE

SECTION C: OPERATIONS AND MAINTENANCE TREATMENT FACILITY PROPERLY OPERATED AND MAINTAINED S M U NA NEDETAILS: Some mechanical process (plate press) occurs to dewater tailings; flocculants added to wastewater for Outfalls 001 and 011. 1. TREATMENT UNITS PROPERLY OPERATED: S M U NA NE 2. TREATMENT UNITS PROPERLY MAINTAINED: S M U NA NE 3. STANDBY POWER OR OTHER EQUIVALENT PROVIDED: Settling ponds; internal processes dewater tailings. S M U NA NE 4. ADEQUATE ALARM SYSTEM FOR POWER OR EQUIPMENT FAILURES AVAILABLE: S M U NA NE 5. ALL NEEDED TREATMENT UNITS IN SERVICE: Currently three ponds (L, S, and T) being utilized. S M U NA NE 6. ADEQUATE NUMBER OF QUALIFIED OPERATORS PROVIDED: Two (2) Basic Industrial S M U NA NE 7. SPARE PARTS AND SUPPLIES INVENTORY MAINTAINED: S M U NA NE 8. OPERATION AND MAINTENANCE MANUAL AVAILABLE: Y N NA NE 9. STANDARD OPERATING PROCEDURES AND SCHEDULES ESTABLISHED: Y N NA NE 10. PROCEDURES FOR EMERGENCY TREATMENT CONTROL ESTABLISHED: Additional settling ponds available. Y N NA NE 11. HAVE BYPASSES/OVERFLOWS OCCURRED AT THE PLANT OR IN THE COLLECTION SYSTEM IN THE LAST YEAR: Y N NA NE 12. IF SO, HAS THE REGULATORY AGENCY BEEN NOTIFIED: Y N NA NE 13. HAS CORRECTIVE ACTION BEEN TAKEN TO PREVENT ADDITIONAL BYPASSES/OVERFLOWS: Y N NA NE 14. HAVE ANY HYDRAULIC OVERLOADS OCCURRED AT THE TREATMENT PLANT: Y N NA NE 15. IF SO, DID PERMIT VIOLATIONS OCCUR AS A RESULT: Y N NA NE



SECTION D: SAMPLING PERMITTEE SAMPLING MEETS PERMIT REQUIREMENTS S M U NA NEDETAILS: 1. SAMPLES TAKEN AT SITE(S) SPECIFIED IN PERMIT: Y N NA NE 2. LOCATIONS ADEQUATE FOR REPRESENTATIVE SAMPLES: Reevaluate Outfall 001. Y N NA NE 3. FLOW PROPORTIONED SAMPLES OBTAINED WHEN REQUIRED BY PERMIT: Y N NA NE 4. SAMPLING AND ANALYSES COMPLETED ON PARAMETERS SPECIFIED IN PERMIT: Y N NA NE 5. SAMPLING AND ANALYSES PERFORMED AT FREQUENCY SPECIFIED IN PERMIT: Y N NA NE 6. SAMPLE COLLECTION PROCEDURES ADEQUATE: Y N NA NE

a. SAMPLES REFRIGERATED DURING COMPOSITING: Y N NA NE b. PROPER PRESERVATION TECHNIQUES USED: Y N NA NE c. CONTAINERS AND SAMPLE HOLDING TIMES CONFORM TO 40 CFR 136: Y N NA NE

7. IF MONITORING IS PERFORMED MORE OFTEN THAN REQUIRED ARE RESULTS REPORTED ON THE DMR: UNKNOWN if reporting sampling frequency increases (see Sec B, 1); facility does not have to report process sampling. Y N NA NE

SECTION E: FLOW MEASUREMENT PERMITTEE FLOW MEASUREMENT MEETS PERMIT REQUIREMENTS S M U NA NEDETAILS: Three (3) permitted outfalls equipped with primary devices. 1. PRIMARY FLOW MEASUREMENT DEVICE PROPERLY INSTALLED AND MAINTAINED: Yes TYPE OF DEVICE: Rectangular weirs

w/o end contractions; 001 and 011 are 48” and 010 is 12” based on calculated flows. Y N NA NE

2. FLOW MEASURED AT EACH OUTFALL AS REQUIRED: Y N NA NE 3. SECONDARY INSTRUMENTS (TOTALIZERS, RECORDERS, ETC.) PROPERLY OPERATED AND MAINTAINED: Y N NA NE 4. CALIBRATION FREQUENCY ADEQUATE: Y N NA NE 5. RECORDS MAINTAINED OF CALIBRATION PROCEDURES: Y N NA NE 6. CALIBRATION CHECKS DONE TO ASSURE CONTINUED COMPLIANCE: Y N NA NE 7. FLOW ENTERING DEVICE WELL DISTRIBUTED ACROSS THE CHANNEL AND FREE OF TURBULENCE: Y N NA NE 8. FLOW MEASUREMENT EQUIPMENT ADEQUATE TO HANDLE EXPECTED RANGE OF FLOW RATES: Y N NA NE 9. HEAD MEASURED AT PROPER LOCATION: Y N NA NE

SECTION F: LABORATORY PERMITTEE LABORATORY PROCEDURES MEET PERMIT REQUIREMENTS S M U NA NEDETAILS: In-house lab conducts sampling/analyzing for all permit parameters: flow, COD, TSS, O&G, and pH. 1. EPA APPROVED ANALYTICAL PROCEDURES USED (40 CFR 136.3 FOR LIQUIDS, 503.8(B) FOR SLUDGES) : Y N NA NE 2. IF ALTERNATIVE ANALYTICAL PROCEDURES ARE USED, PROPER APPROVAL HAS BEEN OBTAINED: Y N NA NE 3. SATISFACTORY CALIBRATION AND MAINTENANCE OF INSTRUMENTS AND EQUIPMENT: Y N NA NE 4. QUALITY CONTROL PROCEDURES ADEQUATE: Y N NA NE 5. DUPLICATE SAMPLES ARE ANALYZED >10% OF THE TIME: Y N NA NE 6. SPIKED SAMPLES ARE ANALYZED >10% OF THE TIME: Y N NA NE 7. COMMERCIAL LABORATORY USED: Y N NA NE

a. LAB NAME:

b. LAB ADDRESS:

c. PARAMETERS PERFORMED:

8. BIOMONITORING PROCEDURES ADEQUATE: Y N NA NE a. PROPER ORGANISMS USED: Y N NA NE b. PROPER DILUTION SERIES FOLLOWED: Y N NA NE c. PROPER TEST METHODS AND DURATION: Y N NA NE d. RETESTS AND/OR TRE PERFORMED AS REQUIRED: Y N NA NE



SECTION G: EFFLUENT/RECEIVING WATERS OBSERVATIONS BASED ON VISUAL OBSERVATIONS ONLY S M U NA NEDETAILS: Observed at each permitted outfall and receiving streams. OUTFALL #: OIL SHEEN GREASE TURBIDITY VISIBLE FOAM FLOATING SOLIDS COLOR OTHER

001 No Discharge No Discharge No Discharge No Discharge No Discharge No Discharge N/A

010 NO NO NO NO NO CLEAR N/A

011 NO NO NO NO NO CLEAR N/A

SECTION H: SLUDGE DISPOSAL SLUDGE DISPOSAL MEETS PERMIT REQUIREMENTS S M U NA NEDETAILS: There is no sludge generated from this facility; tailings are used to line ponds and/or used to fill in mined out areas of the underground mine. 1. SLUDGE MANAGEMENT ADEQUATE TO MAINTAIN EFFLUENT QUALITY: S M U NA NE 2. SLUDGE RECORDS MAINTAINED AS REQUIRED BY 40 CFR 503: S M U NA NE 3. FOR LAND APPLIED SLUDGE, TYPE OF LAND APPLIED TO: (E.G., FOREST, AGRICULTURAL, PUBLIC CONTACT SITE):

SECTION I: SAMPLING INSPECTION PROCEDURES SAMPLE RESULTS WITHIN PERMIT REQUIREMENTS S M U NA NEDETAILS: 1. SAMPLES OBTAINED THIS INSPECTION: Y N NA NE 2. TYPE OF SAMPLE: GRAB: COMPOSITE: METHOD: FREQUENCY: 3. SAMPLES PRESERVED: Y N NA NE 4. FLOW PROPORTIONED SAMPLES OBTAINED: Y N NA NE 5. SAMPLE OBTAINED FROM FACILITY'S SAMPLING DEVICE: Y N NA NE 6. SAMPLE REPRESENTATIVE OF VOLUME AND NATURE OF DISCHARGE: Y N NA NE 7. SAMPLE SPLIT WITH PERMITTEE: Y N NA NE 8. CHAIN-OF-CUSTODY PROCEDURES EMPLOYED: Y N NA NE 9. SAMPLES COLLECTED IN ACCORDANCE WITH PERMIT: Y N NA NE

SECTION J: STORM WATER POLLUTION PREVENTION PLAN STORM WATER MANAGEMENT MEETS PERMIT REQUIREMENTS S M U NA NEDETAILS: Inspected under permit ARR00B148. 1. SWPPP UPDATED AS NEEDED: DATE OF LAST UPDATE: Y N NA NE 2. SITE MAP INCLUDING ALL DISCHARGES AND SURFACE WATERS: Y N NA NE 3. POLLUTION PREVENTION TEAM IDENTIFIED: Y N NA NE 4. POLLUTION PREVENTION TEAM PROPERLY TRAINED: Y N NA NE 5. LIST OF POTENTIAL POLLUTANT SOURCES: Y N NA NE 6. LIST OF POTENTIAL SOURCES AND PAST SPILLS AND LEAKS: Y N NA NE 7. ALL NON-STORM WATER DISCHARGES ARE AUTHORIZED: Y N NA NE 8. LIST OF STRUCTURAL BMPS: Y N NA NE 9. LIST OF NON-STRUCTURAL BMPS: Y N NA NE 10. BMPS PROPERLY OPERATED AND MAINTAINED: Y N NA NE 11. INSPECTIONS CONDUCTED AS REQUIRED: Y N NA NE



DMR Calculation Check

Reporting Period: From 2015 07 01 To 2015 07 31 Year Month Day Year Month Day

Parameter Checked: TSS (001)

Loading Concentration Mass (lbs/day) (mg/l) Mo. Avg. Mo. Avg. Daily Max

Reported Value: N/A 5.6 5.6 Calculated Value: N/A 5.6 5.6 Permit Value: N/A 20 30

If calculated value does not equal reported value, explain: Same; only one sample collected on July 2, 2015 for Week 1; no discharge for the rest of the month.





Parameter Checked: Oil and

Grease (010)



If calculated value does not equal reported value, explain: Same; (6.6 + 14.4 + 3.1 + 4.7 + 2.3)/5 = 6.22





Parameter Checked: COD (011)



If calculated value does not equal reported value, explain: Value does not match what has been provided on DMR; used Unimin’s March 2015 “Water Sample Report” and spreadsheet to obtain value. Only one sample collected/analyzed on March 4, 2015. This sample is to be collected quarterly; DMR has been adjusted by the Permittee to state “monthly.” Please be advised that if additional sampling is being conducted more frequently than required at permitted outfalls, it is to be reported on the DMR. Information regarding additional sampling at permitted outfalls should be kept with the DMRs submitted. This info should be provided upon request.



Water Division Photographic Evidence Sheet Location: Unimin Corp - Guion Facility Photographer: Cody Wallace Date: March 17, 2016 Time: 0938 Witness: Kerri McCabe Photo #: 1 Description: Intake pond for freshwater storage; water used during internal processes.

Photographer: Cody Wallace Date: March 17, 2016 Time: 0938 Witness: Kerri McCabe Photo #: 2 Description: Overflow pipe at intake pond.



Water Division Photographic Evidence Sheet

Location: Unimin Corp - Guion Facility Photographer: Cody Wallace Date: March 17, 2016 Time: 0939 Witness: Kerri McCabe Photo #: 3 Description: New recirculation pond to reuse process waters from internal processes.

Photographer: Cody Wallace Date: March 17, 2016 Time: 0939 Witness: Kerri McCabe Photo #: 4 Description: Close-up of overflow pipe in recirculation pond.

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Water Division Photographic Evidence Sheet Location: Unimin Corp - Guion Facility Photographer: Cody Wallace Date: March 17, 2016 Time: 1007 Witness: Kerri McCabe Photo #: 9

Description: Outfall 011 with 48” rectangular weir and staff gauge; process water from settling pond.

Photographer: Cody Wallace Date: March 17, 2016 Time: 1007 Witness: Kerri McCabe Photo #: 10 Description: Receiving stream at Outfall 011; UT of White River.



Water Division Photographic Evidence Sheet Location: Unimin Corp - Guion Facility Photographer: Cody Wallace Date: March 17, 2016 Time: 1015 Witness: Kerri McCabe Photo #: 11 Description: Process water entering settling pond prior to discharging via Outfall 011.

Photographer: Cody Wallace Date: March 17, 2016 Time: 1021 Witness: Kerri McCabe Photo #: 12

Description: Process water open channel from facility leading to settling ponds; looking toward facility.




Description: Process water open channel from facility leading to settling ponds; looking away from facility.

Photographer: Cody Wallace Date: March 17, 2016 Time: 1047 Witness: Kerri McCabe Photo #: 14 Description: Mine dewatering exiting underground mine area; upstream of Outfall 010.



Water Division Photographic Evidence Sheet Location: Unimin Corp - Guion Facility Photographer: Cody Wallace Date: March 17, 2016 Time: 1047 Witness: Kerri McCabe Photo #: 15 Description: Outfall 010 with 12” rectangular weir; discharge from underground mine.

Photographer: Cody Wallace Date: March 17, 2016 Time: 1048 Witness: Kerri McCabe Photo #: 16

Description: Open channel formed by mine dewatering; samples collected prior to commingling with stormwater.




Description: Internal process waters entering sump prior to discharge to open channel and settling ponds.

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Bolenbaugh, Jason

From: McCabe, KerriSent: Friday, March 18, 2016 10:54 AMTo: '[email protected]'Cc: Cody WallaceSubject: FW: NetDMR Notification Letter and training availableAttachments: NetDMR Notification letter to Permittees dated 20160202.docx

Gary, I am going to be forwarded some emails regarding important information and as a follow‐up to the inspections I conducted yesterday. This email is regarding NetDMR, which is to be completed by Dec 21, 2016. This applies to the individual NPDES (discharge) permit only. There are onsite and online options available for NetDMR training. Regarding your question yesterday about retaining records: NetDMR will replace the need to retaining hardcopies of DMRs (stored in an offsite database and can be accessed from any computer with unique login info). Any supporting documents for DMR submission (i.e., Chains of Custody, lab analyses sheets, bench sheets, calibration records, etc.)can be scanned and saved electronically as well as attached to DMRs through NetDMR. You will need to retain three (3) years of records per Part III, Sec C, 7 of the permit (either hardcopies or electronic files). Thank you. Kerri McCabe Inspector Supervisor ADEQ – Water Division Field Services – Inspection Branch Office – (501) 682‐0642 Work Cell – (501) 352‐5641 Fax – (501) 682‐0880 5301 Northshore Drive North Little Rock, AR 72118‐5317

From: Healey, Richard Sent: Friday, February 12, 2016 1:55 PM To: Bolenbaugh, Jason Cc: Osborne, Caleb; McCabe, Kerri Subject: NetDMR Notification Letter and training available

Jason EPA recently finalized the Electronic Reporting Rule (NetDMR) and beginning Dec. 21, 2016, all National Pollutant Discharge Elimination System (NPDES) permittees

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will be required to submit discharge monitoring reports (DMRs) electronically. ADEQ recently sent out the attached letter to all NPDES Permittees. ADEQ is offering (free) hands‐on NetDMR computer training on Tuesdays (9:00am and 1:00pm) at our offices in NLR. Because of space limitations they must preregister. For more information on the NetDMR training, please send them to ADEQ’s web site (link below) to see a list of available times and dates: https://www.adeq.state.ar.us/water/enforcement/compliance/netdmr_training.aspx

They can fill out the form linked below to register for a class. https://www.adeq.state.ar.us/water/enforcement/compliance/p_netdmr.aspx Please forward this email to your inspectors. Please ask your inspectors to let their facility/permittee know about this new requirement when they inspect or talk to them. Also, we would be happy to provide NetDMR training to your inspectors and if they want provide them access to ICIS and NetDMR. Thanks Richard C. Healey Enforcement Branch Manager Water Division Arkansas Department of Environmental Quality 501-682-0640 [email protected]

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Bolenbaugh, Jason

From: McCabe, KerriSent: Friday, March 18, 2016 11:38 AMTo: [email protected]: Semberski, PennySubject: Lab InfoAttachments: Table II, Required Containers, Preservation Techniques, & Holding Times.pdf

Gary,

1.) This email is regarding laboratory info. I have included the link to the EPA DMR Quality Assurance Program. I’ve also talked to our lab, and the “unknowns” are purchased through a vendor and the certificate (pass/fail) is supplied by them (not EPA). Unimin is not classified as a Major source; however, the website indicates that some Minor sources are required. You would need to do some research to determine if Unimin is required; but otherwise, the program would be voluntary for the facility. The lab already purchases and runs “unknowns” and keep this info available upon request.

https://www.epa.gov/compliance/discharge‐monitoring‐report‐quality‐assurance‐study‐program

2.) I have attached the most updated (2012) Table II from 40 CFR 136. The lab will need to determine if the methods they are using are the most updated and approved. If they are not updated and approved, they will need to adjust accordingly. Please be advised that Part II, Condition #3 allows for alternative methods; however, the Department is to be notified (Permits Branch). Part III, Sec C, 3 of the permit requires permittees to follow 40 CFR 136 (i.e., holding times, preservatives, containers, QA/QC, etc.), and I have included a hyperlink.

http://www.ecfr.gov/cgi‐bin/text‐idx?tpl=/ecfrbrowse/Title40/40cfr136_main_02.tpl

3.) Wastewater sampling/analyzing utilizes “Standard Methods for the Examination of Water and Wastewater.” The latest edition is the 22nd Edition (2012). The 20th Edition should meet your needs. This is how you conduct the sampling/analyzing of the methods referenced in Table II of 40 CFR 136. I have included hyperlinks to the FREE 20th Ed. of SM (1000‐3000 and 4000‐6000), but a Google search for 20th Edition will get you comparable results.

http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwjszf_Z1MrLAhXJrYMKHflvA6EQFggcMAA&url=http%3A%2F%2Fwww.mwa.co.th%2Fdownload%2Ffile_upload%2FSMWW_1000‐3000.pdf&usg=AFQjCNHe_HE65tZ9w_puRUq9FkvYxssQSQ http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0ahUKEwjszf_Z1MrLAhXJrYMKHflvA6EQFgghMAE&url=http%3A%2F%2Fwww.mwa.co.th%2Fdownload%2Ffile_upload%2FSMWW_4000‐6000.pdf&usg=AFQjCNEoCr5iVFUO8tm4j5rvsH3V8llDrw Lastly, if you have any lab specific questions, I have copied Penny Semberski on this email. She is a valuable lab resource at ADEQ. Thank you. Kerri McCabe Inspector Supervisor ADEQ – Water Division Field Services – Inspection Branch

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Office – (501) 682‐0642 Work Cell – (501) 352‐5641 Fax – (501) 682‐0880 5301 Northshore Drive North Little Rock, AR 72118‐5317

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Bolenbaugh, Jason

From: McCabe, KerriSent: Friday, March 18, 2016 12:16 PMTo: [email protected]: Cody WallaceSubject: Unimin InspectionsAttachments: outfall_modification_form.pdf

Gary, See comments. AR0001899 Site Assessment Overall, the site was well‐maintained. Process ponds are bermed and armored. Permittee needs to contact the Permits Branch regarding the relocation of Outfall 001, repurposing/utilizing the recirculation pond, and provide a description of the dewatering process that occurs with the plate press with water routed to the recirculation pond. The location has changed from the permitted location. Additionally, sampling from Outfall 001 needs to be representative of the volume/nature of the discharge (this includes flow measurement). The rectangular weir and staff gauge downstream of the original location for Outfall 001 is not representative. The Manning equation can be used at the pipe that is installed at the new Outfall 001 location and/or a weir plate can be installed at the pipe. Records Review Still reviewing records. ARR00B148 Site Assessment Overall, the site was well‐maintained. Site is separated into different stormwater watersheds. Permittee has taken considerable measures to minimize exposure for this large site (3500 acres). The coordinates for SW002, 005, and 007 do not match field verified outfalls. An Outfall Modification Form will need to be submitted. From field verifications of outfalls the following outfalls are similar: SW005 – 008 are associated with the open quarry and activity in that area. SW007 is identified by the permittee to be the most representative for sampling; inspector agrees. SW002, 004, 012, and 013 are associated with the belowground mine and process activities.

o SW002 is commingled with 010, which is sampled under AR0001899. o SW004 is in an inactive area of the facility. o SW012 is a parking area associated with land transportation. o SW013 is located in the process and transportation area of the facility.

2

With the exception of the commingling of SW002 by 010, SW002 is the most representative outfall to sample stormwater. I will seek confirmation from Permits Branch. SWPPP needs to be updated to reflect the changes in the new permit issued July 2014 (SWPPP date is May 2014). SWPPP certification was last signed in 2012. Site Map is dated 2012 and does not include all the required items. At least one inspection is not being conducted in a wet‐weather event. Permittee utilizes a thorough inspection sheet and documents corrective actions accordingly. Records Review Still reviewing some records. Kerri McCabe Inspector Supervisor ADEQ – Water Division Field Services – Inspection Branch Office – (501) 682‐0642 Work Cell – (501) 352‐5641 Fax – (501) 682‐0880 5301 Northshore Drive North Little Rock, AR 72118‐5317

From: Alex HebelTo: Water-Inspection-ReportCc: McCabe, Kerri; Mike Maloney; Gary BlankenshipSubject: Unimin Corporation - Guion Facility (Izard County) - AFIN 33-00002: Response to Compliance Evaluation

Inspection and an Industrial Stormwater InspectionDate: Monday, May 09, 2016 7:06:47 AMAttachments: image002.png

AR0001899_ADEQ Response to Outfall 001 Actions_20160503.pdfGU08 ARR00B148 Stormwater NOC 6_2_14.pdf2016-05-06 GU - NPDES - Response to Site Compliance Inspection.pdf

Responses and supplemental documents to the April 25, 2016 letter are attached for your reviewand consideration.Please don’t hesitate to contact Gary Blankenship (870-346-5301) or myself should you have anyquestions or require additional information. Regards,Alex J. Hebel, P.E.Senior Environmental EngineerUnimin Corporation—Illinois Regional Office4000 Baker Road, Ottawa, IL 61350 Desk: (815) 431-2241Cell: (815) 830-3627 www.uniminsustainability.com

This e-mail (including any attachments) is confidential and may contain proprietary , commercially sensitive or legally privilegedinformation. You must not use, disclose, or act on the email unless you are the intended direct recipient. If you receive this emailin error, please immediately notify the sender and delete it from your system. No confidentiality or privilege is waived or lost byany error in transmission. Any views expressed in this email are those of the individual sender, except where the sender hasauthority to expressly state them to be the views of SCR-Sibelco NV and/or any of the affiliates of Sibelco ( together “ the SibelcoGroup”).

mailto:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]://www.uniminsustainability.com/

ADEQ A R K A N S A S Department of Environmental Quality

MAY 3 2016 Mike Maloney, Plant Manager Unimin Corp. - Guion Facility P.O. Box 29 Guion, AR 72540-0029

RE: NPDES Permit No. AR0001899, AFIN 33-00002

Dear Mr. Maloney:

The Department has reviewed Mr. Alex Hebel's e-mail dated April 22, 2016, explaining actions which have been taken near Outfall 001. Based on the e-mail and the Department's inspection on March 17, 2016, it is the Department's understanding that samples are still being taken at the box culvert which is the location of Outfall 001. It is also the Department's understanding that due to the changes which have taken place, stormwater runoff and overflow from the fresh water pond could also be discharged through Outfall 001.

Currently, NPDES Permit No. AR0001899 only allows for the discharge of process wastewater from industrial sand production. One method to rectify the issues raised by the March 1 ih inspection would be for Unimin Corporation to submit a request to be allowed to discharge fresh water pond overflow and storm water runoff through Outfall 001. The request would need to consist of a letter or e-mail as well as an updated first page of EPA Form 2C.

If Unimin Corporation does not want to add these two waste streams to the permit, action must be taken to separate these streams so they are not discharged through Outfall 001.

Please submit the requested information within 15 days of the date of this letter. If you have any questions, please contact me at [email protected] or at (501) 682-0612.

Sincerely, •

~~~ Loretta Reiber, P .E. Engineer, NPDES Permits

cc: Kerri McCabe, Inspector Supervisor

tt~Ju v'lL----Clark Me Williams, P .E. Engineer Supervisor, NPDES Permits

Alex Hebel, P.E.- Senior Environmental Eng., Unimin Corp. (Ahebel(Q),unimin.com)

ARKANSAS DEPARTMENT OF ENVIRONMENTAL QUALITY 5301 NORTHSHORE DRIVE I NORTH UTILE ROCK I ARKANSAS 72118-5317 I TELEPHONE 501-682-07441 FAX 501-682-0880

www.adeq.state.ar.us

FILEP.B. GU08P.L. 19GU02

ADEQ ARK A N S A S Department of Environmental Quality

June 2, 2014

Andrew G. Bradley, Sr. V.P. Operations Unimin Corporation P.O. Box 29 Guion, AR 72540-0029

RE: Industrial Stormwater General Permit, Unimin Corporation - Guion Plant, Guion, AR (Permit Tracking No. ARROOB148 - AFIN 33-00002)

Dear Mr. Bradley:

Enclosed on the back of this letter is the Notice of Coverage (NOC) for Industrial Stormwater General Permit with tracking number ARROOB148 that should be kept with the facility's records. Compliance with all conditions and limitations of the 2014 renewal general permit is required as of July 1,2014.

Please note that the Annual Report and Discharge Monitoring Report (DMR) forms required under the previous permit have been replaced with the one page Stormwater Annual Report (SW AR). Sampling requirements for all facilities with permit coverage have changed from four (4) basic parameters (pH, TSS, COD and Oil and Grease) in the 2009 permit to only two (2) basic parameters (pH and TSS) under the 2014 permit. Please refer to Part 3.4 of the permit to determine if there are any additional parameters benchmark monitoring required for your specific industrial sector J 1.

For the 2014 reporting year, one sample should be collected between the months of Janumy and June for the parameters specified in the 2009 permit, and a second sample should be collected between the months of July and December for the parameters specified in the 2014 permit. Starting with the 2015 reporting year, only one sample per year will be

required. In addition, starting with 2014 annual reports and DMRs, facilities do not have to submit any annual reports or DMRs to the Department (keep them with your records at the facility) except upon request. The Department will audit a percentage of facilities with permit coverage each year to ensure compliance with applicable permit requirements including annual reports and monitoring records.

An appeal was filed in a timely manner on Janumy 30, 2014 requesting a Hearing of the 2014 final issued permit (effective July 1, 2014). However, through Permit Appeal Resolution (PAR) executed on May 6, 2014 the appeal was dismissed (Docket No. 14-002-P). As a result there are no changes in the 2014 final issued permit.

You must update your Stormwater Pollution Prevention Plan (SWPPP) by the effective date of the permit. You may request an extension on or before July 1, 2014 to update the SWPPP if an adequate reason is provided. Any extension granted for updating the SWPPP will be good only through September 1,2014.

If you have any questions concerning this matter or need additional information, please feel free to contact the General Permits Section at (501) 682-0623.

Sincerely,

Mo Shafii Assistant Chief, Water Division

ARKANSAS DEPARTMENT OF ENVIRONMENTAL QUALITY, WATER DIVISION 5301 NORTHSHORE DRIVE / NORTH LITTLE ROCK / ARKANSAS 72118-5317ITELEPHONE 501-682-0623 / FAX 501-682-0880

www.adeq.state.ar.us/[email protected]

Alex

Highlight


NOTICE OF COVERAGE (NOC)

Permit Tracking Number: ARROOB148 AFIN: 33-00002

INDUSTRIAL STORMW ATER GENERAL PERMIT, ARROOOOOO

Attn: Andrew G. Bradley Unimin Corporation P.O. Box 29 Guion, AR 72540-0029

The Recertification Notice of Intent (NOI) for coverage under the renewal Industrial Stormwater General Permit (Effective July 1, 2014) was received on 5/7/2014 and has been reviewed. The facility will continue coverage under the previously assigned permit tracking number ARROOB148 and AFIN 33-00002. Any permit-related correspondence must include these numbers. This NOC is issued to Unimin Corporation in reliance upon the statements and representations made in the submittal for the following facility located in Izard County:

Unimin Corporation - Guion Plant 421 Main Street Guion, AR 72540

The Department has no responsibility for adequacy or proper function of the Best Management Practices (BMPs) implemented under the telms of this permit. Compliance with all conditions and limitations of the renewal general permit is required. Please be advised that the renewal permit contains monitoring and reporting requirements. Under the renewal general permit, you must keep the Stormwater Annual Report (SWAR) FOim at the facility (no submittal to the Department) and make it available to ADEQ staff Upon request. The Industrial Sector for this facility is J1. The renewal general permit and Stormwater Annual Report Form to be used effective July 1, 2014 is available on the Department's website at the address below:

http://www.adeq.state.ar.us/water/branch_permits/general_permits/stormwaterldefault.htm

Discharges allowed by the permit shall only occur at the following outfalls:

Outfall SW002: Latitude 35 0 55' 24.8", Longitude -91 0 56' 24.8"

Outfall SW004: Latitude 35 055' 1.7", Longitude -91 056' 0.2"



Outfall SW007: Latitude 35 056' 28.9", Longitude _91 0 :S6' 57"



In accordance with Part 3.8.1, Outfalls SW002, SW004, SW005, SW006, SW008, and SWOl3 are considered similar. Outfalls SW004 and SW007 shall be the monitored outfalls.

Original Coverage Date:

Renewal Coverage Date:

Expiration Date:


09/26/2010

07/0112014

06/30/2019

06/02 /2014 Date

ARKANSAS DEPARTMENT OF ENVIRONMENTAL QUALITY, WATER DIVISION 5301 NORTHSHORE DRIVE / NORTH LITTLE ROCK / ARKANSAS 72118-5317/ TELEPHONE 501-682-0623 / FAX 501-682-0880


Alex

Highlight

Complete General Permit is Filed Electronically GU08a

Pennit Number ARROOOOOO

AUTHORIZATION TO DISCHARGE STORMWATER UNDER THE NA TJONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM AND THE ARKANSAS WATER

AND AIR POLLUTION CONTROL ACT

In accordance with the provisions of the Arkansas Water and Air Pollution Control Act (Ark. Code Ann. § 8-4·]01 et seq.), and the Clean Water Act (33 § U.S.c. 1251 et seq .),

Facilities Discharging Siormwaicr Associated Witb Industrial Activity

are authorized to discharge to all receiving waters ex.cept as stated in Part 1.8 (Limitations on Coverage) in accordance with eligibility requirements, Notice of Intent (NO I} requirements, Stonnwater Pollution Prevention Plan (SWPPP) requirements, effluent limitations, monitoring requirements, and other conditions set forth in this pcnnit.

For facilities that are eligible for coverage under this Stormwater Industrial General Permit (lGP), the Department sends a Notice of Coverage (NOC) with tracking permit number starting with ARROO to the facility. The NOC includes the Department's determination that a facility is covered under the lOP and may specifY altemate requirements outlined in the permit.

Effective Date: 07/01 /2014

Expiration Dale: 06/30120 19

Isst;ance Date Deputy Director Arkansas Department of Environmental Quality

ADEQ A R K A N S A S Department of Environmental Quality

MAY 3 2016 Mike Maloney, Plant Manager Unimin Corp. - Guion Facility P.O. Box 29 Guion, AR 72540-0029

RE: NPDES Permit No. AR0001899, AFIN 33-00002

Dear Mr. Maloney:

The Department has reviewed Mr. Alex Hebel's e-mail dated April 22, 2016, explaining actions which have been taken near Outfall 001. Based on the e-mail and the Department's inspection on March 17, 2016, it is the Department's understanding that samples are still being taken at the box culvert which is the location of Outfall 001. It is also the Department's understanding that due to the changes which have taken place, stormwater runoff and overflow from the fresh water pond could also be discharged through Outfall 001.

Currently, NPDES Permit No. AR0001899 only allows for the discharge of process wastewater from industrial sand production. One method to rectify the issues raised by the March 1 ih inspection would be for Unimin Corporation to submit a request to be allowed to discharge fresh water pond overflow and storm water runoff through Outfall 001. The request would need to consist of a letter or e-mail as well as an updated first page of EPA Form 2C.

If Unimin Corporation does not want to add these two waste streams to the permit, action must be taken to separate these streams so they are not discharged through Outfall 001.

Please submit the requested information within 15 days of the date of this letter. If you have any questions, please contact me at [email protected] or at (501) 682-0612.

Sincerely, •

~~~ Loretta Reiber, P .E. Engineer, NPDES Permits

cc: Kerri McCabe, Inspector Supervisor

tt~Ju v'lL----Clark Me Williams, P .E. Engineer Supervisor, NPDES Permits

Alex Hebel, P.E.- Senior Environmental Eng., Unimin Corp. (Ahebel(Q),unimin.com)

ARKANSAS DEPARTMENT OF ENVIRONMENTAL QUALITY 5301 NORTHSHORE DRIVE I NORTH UTILE ROCK I ARKANSAS 72118-5317 I TELEPHONE 501-682-07441 FAX 501-682-0880

www.adeq.state.ar.us

FILEP.B. GU08P.L. 19GU02


June 2, 2014

Andrew G. Bradley, Sr. V.P. Operations Unimin Corporation P.O. Box 29 Guion, AR 72540-0029

RE: Industrial Stormwater General Permit, Unimin Corporation - Guion Plant, Guion, AR (Permit Tracking No. ARROOB148 - AFIN 33-00002)

Dear Mr. Bradley:

Enclosed on the back of this letter is the Notice of Coverage (NOC) for Industrial Stormwater General Permit with tracking number ARROOB148 that should be kept with the facility's records. Compliance with all conditions and limitations of the 2014 renewal general permit is required as of July 1,2014.

Please note that the Annual Report and Discharge Monitoring Report (DMR) forms required under the previous permit have been replaced with the one page Stormwater Annual Report (SW AR). Sampling requirements for all facilities with permit coverage have changed from four (4) basic parameters (pH, TSS, COD and Oil and Grease) in the 2009 permit to only two (2) basic parameters (pH and TSS) under the 2014 permit. Please refer to Part 3.4 of the permit to determine if there are any additional parameters benchmark monitoring required for your specific industrial sector J 1.

For the 2014 reporting year, one sample should be collected between the months of Janumy and June for the parameters specified in the 2009 permit, and a second sample should be collected between the months of July and December for the parameters specified in the 2014 permit. Starting with the 2015 reporting year, only one sample per year will be

required. In addition, starting with 2014 annual reports and DMRs, facilities do not have to submit any annual reports or DMRs to the Department (keep them with your records at the facility) except upon request. The Department will audit a percentage of facilities with permit coverage each year to ensure compliance with applicable permit requirements including annual reports and monitoring records.

An appeal was filed in a timely manner on Janumy 30, 2014 requesting a Hearing of the 2014 final issued permit (effective July 1, 2014). However, through Permit Appeal Resolution (PAR) executed on May 6, 2014 the appeal was dismissed (Docket No. 14-002-P). As a result there are no changes in the 2014 final issued permit.

You must update your Stormwater Pollution Prevention Plan (SWPPP) by the effective date of the permit. You may request an extension on or before July 1, 2014 to update the SWPPP if an adequate reason is provided. Any extension granted for updating the SWPPP will be good only through September 1,2014.

If you have any questions concerning this matter or need additional information, please feel free to contact the General Permits Section at (501) 682-0623.

Sincerely,


ARKANSAS DEPARTMENT OF ENVIRONMENTAL QUALITY, WATER DIVISION 5301 NORTHSHORE DRIVE / NORTH LITTLE ROCK / ARKANSAS 72118-5317ITELEPHONE 501-682-0623 / FAX 501-682-0880


AlexHighlight


NOTICE OF COVERAGE (NOC)

Permit Tracking Number: ARROOB148 AFIN: 33-00002

INDUSTRIAL STORMW ATER GENERAL PERMIT, ARROOOOOO

Attn: Andrew G. Bradley Unimin Corporation P.O. Box 29 Guion, AR 72540-0029

The Recertification Notice of Intent (NOI) for coverage under the renewal Industrial Stormwater General Permit (Effective July 1, 2014) was received on 5/7/2014 and has been reviewed. The facility will continue coverage under the previously assigned permit tracking number ARROOB148 and AFIN 33-00002. Any permit-related correspondence must include these numbers. This NOC is issued to Unimin Corporation in reliance upon the statements and representations made in the submittal for the following facility located in Izard County:

Unimin Corporation - Guion Plant 421 Main Street Guion, AR 72540

The Department has no responsibility for adequacy or proper function of the Best Management Practices (BMPs) implemented under the telms of this permit. Compliance with all conditions and limitations of the renewal general permit is required. Please be advised that the renewal permit contains monitoring and reporting requirements. Under the renewal general permit, you must keep the Stormwater Annual Report (SWAR) FOim at the facility (no submittal to the Department) and make it available to ADEQ staff Upon request. The Industrial Sector for this facility is J1. The renewal general permit and Stormwater Annual Report Form to be used effective July 1, 2014 is available on the Department's website at the address below:

http://www.adeq.state.ar.us/water/branch_permits/general_permits/stormwaterldefault.htm

Discharges allowed by the permit shall only occur at the following outfalls:

Outfall SW002: Latitude 35 0 55' 24.8", Longitude -91 0 56' 24.8"




Outfall SW007: Latitude 35 056' 28.9", Longitude _91 0 :S6' 57"



In accordance with Part 3.8.1, Outfalls SW002, SW004, SW005, SW006, SW008, and SWOl3 are considered similar. Outfalls SW004 and SW007 shall be the monitored outfalls.

Original Coverage Date:

Renewal Coverage Date:

Expiration Date:


09/26/2010

07/0112014

06/30/2019

06/02 /2014 Date

ARKANSAS DEPARTMENT OF ENVIRONMENTAL QUALITY, WATER DIVISION 5301 NORTHSHORE DRIVE / NORTH LITTLE ROCK / ARKANSAS 72118-5317/ TELEPHONE 501-682-0623 / FAX 501-682-0880


AlexHighlight

Complete General Permit is Filed Electronically GU08a

Pennit Number ARROOOOOO

AUTHORIZATION TO DISCHARGE STORMWATER UNDER THE NA TJONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM AND THE ARKANSAS WATER

AND AIR POLLUTION CONTROL ACT

In accordance with the provisions of the Arkansas Water and Air Pollution Control Act (Ark. Code Ann. § 8-4·]01 et seq.), and the Clean Water Act (33 § U.S.c. 1251 et seq .),

Facilities Discharging Siormwaicr Associated Witb Industrial Activity

are authorized to discharge to all receiving waters ex.cept as stated in Part 1.8 (Limitations on Coverage) in accordance with eligibility requirements, Notice of Intent (NO I} requirements, Stonnwater Pollution Prevention Plan (SWPPP) requirements, effluent limitations, monitoring requirements, and other conditions set forth in this pcnnit.

For facilities that are eligible for coverage under this Stormwater Industrial General Permit (lGP), the Department sends a Notice of Coverage (NOC) with tracking permit number starting with ARROO to the facility. The NOC includes the Department's determination that a facility is covered under the lOP and may specifY altemate requirements outlined in the permit.

Effective Date: 07/01 /2014

Expiration Dale: 06/30120 19

Isst;ance Date Deputy Director Arkansas Department of Environmental Quality

19827.pdfUnimin Corporation - Guion Facility (Izard County) - AFIN 33-00002_ Response to Compliance Evaluation Inspection and an Industrial Stormwater Inspection2016-05-06 GU - NPDES - Response to Site Compliance Inspection (2)AR0001899_ADEQ Response to Outfall 001 Actions_20160503 (2)GU08 ARR00B148 Stormwater NOC 6_2_14 (2)

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