NCS000043_Permit History_20150728

Bennett, Bradley
From: Moore, Bill
Sent: Tuesday, July 28, 2015 10:30 AM
To: Edgerton, Thom
Subject: FW: Draft Storm Water Plan
Additional Info re. Airgas facility in Goldsboro
Bill Moore, Environmental Engineer
NCDENR- Land Quality Section
943 Washington Square Mail
Washington, NC 27889
[phone]
[e-mail]
From: Moore, Bill
Sent: Tuesday, September 24, 2013 11:25 AM
To: 'Rob Duffy'
Cc: Robbie Chase ([e-mail])
Subject: RE: Draft Storm Water Plan
Good Morning Rob & Robbie,
I reviewed the draft SP3 plan that you sent by email on 8/19/13, and wanted to follow-up with both of you. I found the
plan to be complete &well written—good job. Couple of comments:
(1) pH of 5.6 for June sampling event was outside benchmark values; your comments indicated possibly due to heavy
rains. Sometimes low pH values may be due to natural conditions; however, the actual cause may not be easy to
pinpoint. Need to pay particular attention to any spills, or any changes in this drainage basin that could have an effect
on pH. It could be some seemingly insignificant activity that occurred just prior to the rain event; or maybe an ongoing
type activity spread out over time ? If you are using an "on-site" kit to determine pH, it might be informative to check
several rain events to see if the pH values are fairly consistent, or maybe showing unusual peaks.
(2)You should include the new outfall (002) in your sampling schedule. It will be interesting to compare the pH values of
001 &002.
If you have any questions, please feel free to contact me. Robbie, I will try to schedule a follow-up visit when I am back
in the Wayne County area; maybe before Thanksgiving. I will touch base with you before I visit.
Bill Moore, Environmental Engineer
NCDENR- Land Quality Section
943 Washington Square Mall
Washington, NC 27889
[phone]
bill.moore@ ncdenr.gov
From: Rob Duffy fmailto:Rob.Duffy(a)anteagroup.com]
Sent: Monday, August 19, 2013 2:06 PM
To: Moore, Bill
Cc: John Harris; Jerrell Cook2; Robbie Chase; Kara Van Blarcum
Subject: Draft Storm Water Plan
Good Afternoon Bill,
i

Per your request, I am sending you a copy of the draft updated Storm Water Pollution Prevention Plan for the Airgas
facility located in Goldsboro, NC. The updated plan incorporates the recent changes to the facility that have been
implemented or are in progress. Please provide your feedback for inclusion in the plan. If you have any questions or
would like to discuss anything regarding the plan, please do not hesitate to contact me.
Thanks,
Rob
Rob Duffy I Project Manager I USA Operations
Antea'"Group
Direct:[phone] USA Toll free:[phone]
8008 Corporate Center Drive,Suite 100 Charlotte, NC 28226
Rob.DuffyCa@Anteagroup•com I www.Anteagroup.com
a nteaig ro u p
Member of Inogen® I www.inogenet.com
This e-mail is personal. For our full disclaimer, please visit httv://www.anteajzroo.com/confidentiality.
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anteagroup
Storm Water Pollution
Prevention Plan (SW3P)
Airgas USA, LLC /ves 00009:
Goldsboro, North Carolina
CIlee S�-
Antea Group Project No. E030705122
August 2013 -7 3-5 Aligas,
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Prepared for: Prepared by:
Airgas USA,LLC Antea'"Group
109 Hinnant Road 8008 Corporate Center Drive,Suite 100
Goldsboro, NC 27530 Charlotte,North Carolina 28226
[phone] [phone]

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Storm Water Pollution Prevention Plan(SW3P)
Airgas USA,LLC
Goldsboro,North Carolina a nteary r0 U p1
Antea Group Project No.E030705122 y
Table of Contents
1.0 INTRODUCTION AND BACKGROUND............................................................................................................................1
1.1 Scope and Objective...............................................................................................................................................2
1.2 SW31)Plan Amendments........................................................................................................................................2
1.3 Pollution Prevention Team.....................................................................................................................................3
2.0 SITE ASSESSMENT.........................................................................................................................................................4
2.1 Site Drainage and Description of Outfalls...............................................................................................................4
2.2 Inventory of Significant Materials...........................................................................................................................4
2.3 Outdoor Storage Practices......................................................................................................................................6
2.4 Loading and Unloading..........................................................................................................................................6
2.5 Outdoor Process Areas...........................................................................................................................................7
2.6 On-Site Waste Storage and Disposal Practices.......................................................................................................7
2.7 Dust or Particulate Generating Processes..............................................................................................................8
2.8 Significant Spill and Leaks.......................................................................................................................................8
2.9 Soil Erosion and Sedimentation..............................................................................................................................8
2.10 Vehicle Maintenance Activities...............................................................................................................................9
2.11 Non-Storm Water Discharge Outfall Certification..................................................................................................9
2.12 Storm Water Sampling Data Summary...................................................................................................................9
2.13 Potential Pollution Sources.....................................................................................................................................9
3.0 SPILL HISTORY.............................................................................................................................................................10
4.0 STORM WATER MANAGEMENT CONTROLS...............................................................................................................11
4.1 Existing Practices and Controls.............................................................................................................................11
4.2 Selected Best Management Practices...................................................................................................................11
4.3 Facility Inspections................................................................................................................................................12
4.4 Good Housekeeping and Preventative Maintenance...........................................................................................13
5.0 SPILL PREVENTION AND RESPONSE............................................................................................................................13
5.1 Spill Potential........................................................................................................................................................13
5.2 Spill Prevention.....................................................................................................................................................14
5.3 Spill Response Equipment.....................................................................................................................................14
5.4 Spill Response.......................................................................................................................................................14
5.5 Spill Reporting.......................................................................................................................................................15
6.0 STORM WATER POLLUTION PREVENTION TRAINING.................................................................................................16
6.1 Employee Training................................................................................................................................................16
6.2 Contractor and Vendor Training..........................................................................................................................17
6.3 Spill Prevention and Response..............................................................................................................................17
6.4 Good Housekeeping and Preventative Maintenance...........................................................................................17
6.5 Best Management Practices.................................................................................................................................18
7.0 MONITORING PROGRAM...........................................................................................................................................18
7.1 Monitoring Requirements....................................................................................................................................18
8.0 IMPLEMENTATION.....................................................................................................................................................21
8.1 Recordkeeping......................................................................................................................................................21
8.2 SW31)Amendments..............................................................................................................................................22
8.3 Reporting Requirements.......................................................................................................................................22
I www.anteagroup.com
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Storm Water Pollution Prevention Plan(SW3P) 0
Airgas USA,LLC �.Qb
Goldsboro,North Carolina
Antea Group Project No.£03070S122 a n to a g ro u p
i8.4 Feasibility Study....................................................................................................................................................22
j 9.0 SARA SECTION 313 WATER PRIORITY CHEMICALS.....................................................................................................23
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i10.0 PLAN CERTIFICATION..................................................................................................................................................23
10.1 Management Approval................................................................
Figures
Figure 1 Site Location Map
Figure 2 Storm Water Drainage Map
Appendices
Appendix NCDENR—DWQ Storm Water Permits
Appendix B SARA Title III Section 313 Water Priority Chemicals
Appendix C Record of Significant Spills and Leaks
Appendix D Tiered Response Record
Appendix E Storm Water Record Forms
Appendix F Storm Water Records
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Storm Water Pollution Prevention Plan
Airgas USA, LLC
Goldsboro, North Carolina
1.0 INTRODUCTION AND BACKGROUND
In November 1990, the Environmental Protection Agency (EPA) promulgated regulations covering storm water
discharges from industrial facilities. Many manufacturing facilities that discharge storm water associated with an
industrial activity are required to apply for a permit under the National Pollution Discharge Elimination System
(NPDES). EPA has given the State of North Carolina the authority to administer its own storm water permitting
program. The state of North Carolina Department of Environment and Natural Resources (NCDENR), Division of
Water Quality (DWQ) oversees this program. An Individual Permit, Number NCS000043, for storm water
discharges associated with industrial activity from the Airgas USA,LLC facility located in Goldsboro,North Carolina
(Airgas)was issued on May 15,2009. A copy of Individual Permit Number NCS000043 is attached as Appendix A.
The effective date of the Individual Permit is June 1,2009. The Individual Permit states that Airgas is required to
develop and implement a Storm Water Pollution Prevention Plan(SW3P)within 12 months of the effective date of
this permit. The permit expires May 31,2014. A permit renewal application is due to be submitted to NCDENR no
later than 180 days prior to expiration,which equates to a December 2,2013 due date.
Airgas Is located at Highway 117 North in Goldsboro,North Carolina(Latitude 35°28'2.1"N and Longitude 77°58'
55"W). The topography of the site slopes to the south-southwest with a site elevation of approximately 157 feet
above mean sea level. The Airgas plant produces acetylene gas. Additionally, carbon dioxide, nitrous oxide,
helium,argon,oxygen and nitrogen gases are repackaged at the facility. These gases are placed in compressed gas
cylinders and are sold and distributed to customers. Ammonia cylinders are stored on-site for redistribution to
customers. Typical industrial activities include production of acetylene gas, refurbishing of (shot blasting and
painting) used gas cylinders, and filling of gas cylinders. industrial activities take place under cover with the
exception of helium compression. The Standard industrial Classification(SIC)code for this industry is 2813. This
SIC code covers facilities primarily engaged in the manufacturing of industrial gases.
The facility discharges storm water into an unnamed tributary of the Granny Branch,which is located In the Neuse
River Basin in the Contentnea Watershed. The facility Is located primarily in the Upper Neuse Watershed with
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portions of the southern property In the Middle Neuse Watershed. Granny Branch is not listed as a 303(d) i
impaired water of the State of North Carolina.
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A site location map is provided as Figure 1. The property consists of approximately 25.54 acres.The storm water
drainage map, attached as Figure 2, shows the drainage patterns of the property and the location of all outdoor
material storage areas,outdoor processing areas,loading and unloading areas,and locations where major spills or
leaks have occurred,as applicable.
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Storm Water Pollution Prevention Plan .
Airgas USA,LLC
Goldsboro,North Carolina
Antea Group Project No.E030705122 a ntea g ro u p
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In early 2013, the construction of a new high pressure cylinder fill building and associated appurtenances
commenced. For the duration of the construction activities, the Airgas facility applied for and is covered under I{
General Permit number NCG01000, which covers storm water discharges associated with construction activities.
The General Permit expires July 31,2016. Upon completion of the construction activities and with approval of the
state,Airgas will rescind this permit and will not be subject to its requirements thereafter.
1.1 Scope and Objective
The purpose of this plan is to identify potential sources of storm water pollution which may reasonably be
expected to affect the quality of storm water discharges associated with industrial activity from Airgas;to describe
and ensure the implementation of Best Management Practices (BMPs) designed to eliminate or reduce the
pollutants In storm water discharges; and to assure compliance with the terms and conditions of the Individual
Permit.
The principal objectives of this SW3P are to:
1. Evaluate potential sources of storm water contamination,
2. Describe current storm water management and pollution prevention practices,
3. Identify potential non-storm water discharges to storm water conveyances,and
4. Provide recommendations for changes to existing storm water management practices (procedures or
structures)to reduce storm water pollution.
Under the Individual Permit, Airgas is required to conduct visual monitoring and analytical monitoring of storm
water discharges twice a year and to perform inspections to ensure that the SW3P has been implemented properly
and is effective in controlling the discharge of pollutants from the site to waters of the state. s
1.2 SW3P Plan Amendments
The SW3P will be made available to the United States Environmental Protection Agency (USEPA) Director, the
North Carolina Department of Environment and Natural Resources (NCDENR) or the operator of the municipal
separate storm water sewer system upon written request. Should the Director, the NCDENR or an authorized
representative require changes in the SW3P,Airgas will make the necessary changes to the plan within 30 days of
notification. Airgas will submit to the Director a written certification to verify that the requested changes were
made.
Airgas will amend the SW3P whenever there is a change in facility design,construction,operation or maintenance
that could significantly impact the quality of storm water discharged from the site. In addition, the plan will be
modified should it prove to not adequately address storm water pollution prevention. All records associated with
compliance to this plan will be retained for at least one(1)year past the expiration of the permit.
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FIGURE 2-SITE PLAN PROTECT NO:E030705122 Q
AIRGAS USA,LLC DATE:7/31/2013
109 HINNANT ROAD SCALE:NTS 8008 Corporate Center Drive,Suite 20D
GOLDSBORO,NORTH CAROLI NA DRAWN BY:KVB a me a g ro u p Charlotte,North Carolina 287,26

Compliance Inspection Report
Permit: NCS000043 Effective: 06/01/09 Expiration: 05/31/14 owner: Airgas USA LLC
SOC: Effective: Expiration: Facility: Airgas USA,LLC-Goldsboro Regional Plant
County:Wayne 109 Hinnant Rd
Region: Washington
Goldsboro NC 27530
Contact Person: Robbie Chase Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On-Site Representative(s):
Related Permits:
Inspection Date: 04117/2013 Entry Time: 09:30AM Exit Time: 11:55AM
Primary Inspector: Wlliam J Moore Phone: [phone] Ext.284
Secondary Inspector(s):
Reason for Inspection: Follow-up Inspection Type: Compliance Evaluation
Permit Inspection Type: Stormwater Discharge,Individual
Facility Status: Compliant Not Compliant
Question Areas:
Storm Water
(See attachment summary)
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penntt NCS000043 Owner.Faclltly:Airges USA LLC
Inspection Date: 04117/2013 inspection Type:compliance Evaluation Reason for Visit Follow-up
Inspection Summary:
National Welders(dba Airgas National Welders-Loxco)is located at the intersection of US117&Hinnant Road near
Goldsboro,NC. From past emails,Mr.Chase advised that the facility was undergoing some new construction&that drain
valves had been installed on their above ground containment structures. I met with Mr.Robbie Chase(919)735-5276 to
review these site modification&discuss their SP3 plan.
The facility has constructed some new BUA&created new sw collection system&wet pond. Robbie indicated that they
have not yet modified their SP3 plan,or implemented monitoring of their new sw outfall. I advised that their sw permit
requires them to take these actions. He stated that he would have their consulting engineers review&make these
changes to their SP3 plan. The drain valves had been installed at the above ground containment structures;but,were not
locked&property operated. I gave Mr.Chase specific O&M instruction re these systems. I advised Mr.Chase that they
will need to amend their SP3 plan&implement monitoimg of their newly created sw outfall.
From follow-up entails,Robbie indicated that their engineer would be contacting our office re the changes. No contact from
their engineeer as of 6/11/2013.
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permit: NCS000043 Owner-Factlity:Airgas USA LLC
Inspection Date: 04l17/2013 Inspection Typo:Complfance Evaluation Reason for Vises: Fo[low•up
Storrnwater Pollution Prevention Plan Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan? ❑ ❑ ❑ ❑
#Does the Plan include a General Location(LISGS)map? ❑ ❑ ❑ ❑
#Does the Plan include a'Narrative Description of Practices'? ❑ ❑ ❑ ❑ 4
#Does the Plan include a detailed site map including oulfall locations and drainage areas? ❑ ■ ❑ ❑
#Does ltte Plan include a list of significant spills occurring during the past 3 years? ❑ ❑ ❑ ❑
#Has the facility evaluated feasible alternatives to current practices? ❑ ❑ ❑ ❑
#Does the facility provide all necessary secondary containment? ❑ ❑ ❑ ❑
#Does the Plan Include a BMP summary? ❑ 0 ❑ ❑
#Does the Plan Include a Spill Prevention and Response Plan(SPRP)? ❑ ❑ ❑ ❑
#Does the Plan Include a Preventative Maintenance and Good Housekeeping Plan? ❑ ❑ ❑ ❑
#Does the facility provide and document Employee Training? ❑ ❑ ❑ ❑
#Does the Plan Include a list of Responsible Party(s)? ❑ ❑ ❑ ❑ i
#Is the Plan reviewed and updated annually? ❑ N ❑ ❑ 1
#Does the Plan include a Stormwater Facility Inspection Program? ❑ ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been Implemented? ❑ ❑ ❑ ❑
Comment: Facility has modified Plant site. New construction has added new BUA&sw collection system.
including a new wet Pond&has created new sw outfall. SP3 Plan&site Plan has not been
Undated, Industry rep indicated that he would meet with their consultant&make the necessary
changes to their SP3 plan
Permit and Outfalls Yes No NA HE
#Is a copy of the Permit and the Certificate of Coverage available at the site? 0 ❑ ❑ ❑
#Were all outfalis observed during the inspection? 0 ❑ ❑ ❑
#If the facility has representative oulfall status,Is It property documented by the Division? ❑ ❑ N ❑
#Has the facility evaluated all illicit(non stonnwater)discharges? ❑ ❑ 1111
Comment: New sw outfall created by new construction. SP3 Plan not updated. Facility has not revised
monitoring to include new SDO. j
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Compliance Inspection Report
Permit: NCS000043 Effective: 06/01/09 Expiration: 05/31/14 Owner: National Welders DBA Airgas National
Welders
SOC: Effective: Expiration: Facility: Loxco
County: Wayne 109 Hinnant Rd
Region: Washington
Goldsboro NC 27530
Contact Person: Robbie Chase Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On-Site Representative(s):
Related Permits:
Inspection Date: 04/17/2013 Entry Time: 09:30 AM Exit Time: 11:55 AM
Primary Inspector: William J Moore Phone: [phone]
Secondary Inspector(s): Ext.264
Reason for Inspection: Follow-up Inspection Type: Compliance Evaluation
Permit Inspection Type: Stormwater Discharge, Individual
Facility Status: ❑Compliant ■ Not Compliant
Question Areas:
0 Storm Water
(See attachment summary)
Page: 1

Permit: NCS000043 Owner-Facility: National Welders DBA Airgas National Welders
Inspection Date: 04/17/2013 Inspection Type: Compliance Evaluation Reason for Visit: Follow-up
Inspection Summary:
National Welders(dba Airgas National Welders-Loxco)is located at the intersection of US117&Hinnant Road near
Goldsboro,NC. From past emails, Mr.Chase advised that the facility was undergoing some new construction&that drain
valves had been installed on their above ground containment structures. I met with Mr. Robbie Chase(919)735-5276 to
review these site modification&discuss their SP3 plan.
The facility has constructed some new BUA&created new sw collection system&wet pond. Robbie indicated that they
have not yet modified their SP3 plan, or implemented monitoring of their new sw outfall. I advised that their sw permit
requires them to take these actions. He stated that he would have their consulting engineers review&make these
changes to their SP3 plan. The drain valves had been installed at the above ground containment structures; but,were not
locked &properly operated. I gave Mr. Chase specific O&M instruction re these systems. I advised Mr. Chase that they
will need to amend their SP3 plan&implement monitoimg of their newly created sw outfall.
From follow-up emails, Robbie indicated that their engineer would be contacting our office re the changes. No contact
from their engineeer as of 6/11/2013.
Page: 2

Pennit: NCS000043 Owner-Facillty: National Welders DBA Airgas National Welders
Inspection Date: 04117/2013 Inspection Type: Compliance Evaluation Reason for Visit: Follow-up
Stormwater Pollution Prevention Plan Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan? ❑ ❑ ❑ ❑
#Does the Plan include a General Location(USGS)map? ❑ ❑ ❑ ❑
#Does the Plan include a"Narrative Description of Practices"? ❑ ❑ ❑ ❑
#Does the Plan include a detailed site map including outfall locations and drainage areas? ❑ ■ ❑ ❑
#Does the Plan include a list of significant spills occurring during the past 3 years? ❑ ❑ ❑ ❑
#Has the facility evaluated feasible alternatives to current practices? ❑ ❑ ❑ ❑
#Does the facility provide all necessary secondary containment? ❑ ❑ ❑ ❑
#Does the Plan include a BMP summary? ❑ E ❑ ❑
#Does the Plan include a Spill Prevention and Response Plan(SPRP)? ❑ ❑ ❑ ❑
#Does the Plan include a Preventative Maintenance and Good Housekeeping Plan? ❑ ❑ ❑ ❑
#Does the facility provide and document Employee Training? ❑ ❑ ❑ ❑
#Does the Plan include a list of Responsible Party(s)? ❑ ❑ ❑ ❑
#Is the Plan reviewed and updated annually? ❑ ■ ❑ ❑
#Does the Plan include a Stormwater Facility Inspection Program? ❑ ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented? ❑ ❑ ❑ ❑
Comment: Facility has modified plant site. New construction has added new BUA&
sw collection system, including a new wet pond & has created new sw outfall. SP3
plan &site plan has not been updated. Industry rep indicated that he would meet with
their consultant& make the necessary changes to their SP3 plan
Permit and Outfalls Yes No NA NE
#Is a copy of the Permit and the Certificate of Coverage available at the site? E ❑ ❑ ❑
#Were all outfalls observed during the inspection? 01100
#If the facility has representative outfall status,is it properly documented by the Division? ❑ ❑ ■ ❑
#Has the facility evaluated all illicit(non stormwater)discharges? ❑ ❑ ❑ ❑
Comment: New sw outfall created by new construction. SP3 plan not updated.
Facility has not revised monitoring to include new SDO.
Page: 3

Moore, Bill
From: Moore, Bill
Sent: Monday,April 15, 201312:17 PM 7 J
To: 'Robbie Chase'
Subject: RE:Federal Stormwater Permit NCS000043
Let's go with ednesday,about 10 am. If something comes up&we need to switch,you can email,or call my cell at
(252)809-338 . ook forward to g you Wednesday.
From: Robbie Chase fmallto:[e-mail]]
Sent: Monday,April 15, 2013 11:18 AM n
To: Moore, Bill
Subject: FW: Federal Stormwater Permit NCS000043 r
Sure, let me know what day you are coming if you can.
From: Moore, Bill [mailto:[e-mail]]
Sent: Monday,April 15, 2013 10:47 AM
To: Robbie Chase
Subject: RE: Federal Stormwater Permit NCS000043
Good Morning Robbie,
I am planning to be in the Goldsboro area this week(either Wed or Thur). If your schedule permits, I would like to stop
by for a few minutes(mid-morning)and take a look at the site modifications we discussed.
From: Robbie Chase [mailto:[e-mail]] w
Sent: Wednesday,October 24, 2012 9:45 AM
To: Moore, Bill
Subject: FW: Federal Stormwater Permit NCS000043
Good morning,
Since your last visit we have had some radin done o water saWe'rear
e sit We emo a some excess dirt and
cylinders that were in the area.We current) have onstructlon oing on in o e p a We also have scheduled
to s all drain valves in the containment location i wi be done is w use me now when you would like to
schedule a site visit an we will arrange tha . will be out of the office on 10-29-2012. Any other time will work for me.
Thanks.
From: Moore, Bill [mailto:[e-mail]]
Sent:Tuesday, October 23, 2012 11:51 AM
To: Robbie Chase
Subject: Federal Stormwater Permit NCS000043
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Good Morning Robbie,
I visited your site in March of this year. We discussed permit requirements,drainage basins, BMPS&sheet flow vs point
source discharges. I pointed out some sheet flow&exposure issues that you were going to address through some minor
site modifications. I would like to arrange a follow-up visit to review these site modifications. If you need to talk with j
me by phone, I am usually in the office on Mondays;or you can send an email. Thanks.
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Edgerton, Thom
From: May, David <[e-mail]>
Sent: Tuesday,April 07,2009 2:50 PM
To: Rob Duffy
Cc: Randy Sipe;Thom.edgerton; <[e-mail]>
Subject: RE:Airgas Project Update Recap
Rob,
Thanks for the update. Prior to providing any feedback on the feasibility of going ahead and backfilling the pond,our
office would like to conduct a site visit to inspect the work that has been completed to date. We'll work to set up a site
visit in the coming days and provide a response to the backfilling question shortly thereafter.
Thanks
David May
From: Rob Duffy f ail�ffy@)deltaenv.com]
Sent: Monday,April 06, 2009 5:35 PM
To: David May; Randy.SipgAncmail.net
Subject:Airgas Project Update Recap
David and Randy,
Per our conversation this afternoon regarding an update of activities related to Airgas'pond closure plan,I am
writing to recap our conversation and make one further inquiry.
Sampling in Relation to Pond 1:
• Background soil samples collected
• Sampling of the bottom and sidewalls of the pond were impeded by a hard layer of material
• The hard layer is acting like a lining to the pond
• The hard material was sampled
• The hard material was cored for permeability testing
Proposed Next Steps:
• A groundwater sample will serve as our confirmatory sample location and can be obtained at a point in
close proximity to the pond i
• Groundwater sample collection will be performed once Pond 2 is dewatered as long as the project
proceeds and no delays are forecasted
• Project updates will be communicated as the project proceeds
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Question:
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Backfilling the pond area will serve to prevent any accumulation of storm water and allow for a safer work area
as the project proceeds. Since the confirmatory sample will be taken from outside of the area of Pond 1,can
Airgas backfill the pond at this time?
1
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Thanks,
Rob Duffy
DELTA CONSULTANTS
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Compliance Inspection Report
Permit: NCS000043 Effective: 06/01/09 Expiration: 05/31114 Owner: National Welders DBA Airgas National
fgr-A.o Welders SIC 2g(3
SOC: Effective: Expiration: Facility: Loxco
County: Wayne 109 Hinnant Rd
{ Region: Washington
Goldsboro NC 27530
Contact Person: `,Robbie Chas{ Title: 7 Uxrl J 1�, ,P)aor�e.8��-735-531t
Directions to Facility: , v �'�S S ;z 7&J
System Classifications:
Primary ORC: Certiflcation: Phone:
Secondary ORC(s):
`'c U 9r P . C !1(SQ, � dt f 1✓CJcc 5• (' �9v,�`
On-Site Representative(s):
Related Permits:
146 i—ii do dafe: 'l13/2'612'01e Entry Time: 10:00 AM Exit Time: 11:50 AM
.Primary Inspector: William J Moore Phone: [phone]
Ext.264
Secondary Inspector(s):
Reason for Inspection: Complaint Inspection Type: Compliance Evaluation
Permit inspection Type: Stormwater Discharge,Individual Z9
Facility Status: ❑Compliant ^O Not Compliant
Question Areas:
Storm Water
(See attachment summary)
LE C
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Permit: NCSW0043 Owner-Facility: National Welders DBA Airgas National Welders
Inspection Date: 03/20/2012 Inspection Type: Compliance Evaluation Reason for Visit: Complaint
Inspection Summary:
Stormwater Pollution Prevention Plan Yes No NA NE
Does the site have a Stormwater Pollution Prevention Plan? ■ ❑ ❑ ❑
#Does the Plan include a General Location(USGS)map? ■ ❑ ❑ ❑
#Does the Plan include a"Narrative Description of Practices"? ■ ❑ ❑ ❑
#Does the Plan include a detailed site map including outfall locations and drainage areas? ❑ ■ ❑ ❑
#Does the Plan include a list of significant spills occurring during the past 3 years? ■ ❑ ❑ ❑
#Has the facility evaluated feasible alternatives to current practices? ■ ❑ ❑ ❑
#Does the facility provide all necessary secondary containment? ■ ❑ ❑ ❑
#Does the Plan include a BMP summary? ■ ❑ ❑ ❑
#Does the Plan include a Spill Prevention and Response Plan(SPRP)? ■ ❑ ❑ ❑
#Does the Plan include a Preventative Maintenance and Good Housekeeping Plan? ® ❑ ❑ ❑
#Does the facility provide and document Employee Training? ■ ❑ ❑ ❑
#Does the Plan include a list of Responsible Party(s)? ■ ❑ ❑ ❑
All Is the Plan reviewed and updated annually? ❑ ❑ ■ ❑
#Does the Plan include a Stormwater Facility Inspection Program? ® ❑ ❑ ❑
Has the Stormwater Pollution Prevention Plan been implemented? ® ❑ ❑ ❑
Comment: Historically industry has identified and sampled only(1)SDO; and
indicated sheet flow of stormwater for remainder of site. During site visit discussed
several areas with industry reps that did not appear to be sheet flow; this may be due to
changes in the past few years. Industry reps will contact their consultant for further
evaluation & possible modifications to the site&SPP Plan. Industry will follow-up with
me on proposed changes after review with their consultant.
Permit and Outfalls Yes No NA NE
#Is a copy of the Permit and the Certificate of Coverage available at the site? ■ ❑ ❑ ❑
#Were all outfalls observed during the inspection? ■ ❑ ❑ ❑
#If the facility has representative outfall status,is it properly documented by the Division? ❑ ❑ ■ ❑
#Has the facility evaluated all illicit(non stormwater)discharges? ■ ❑ ❑ ❑
Comment: j
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Compliance Inspection Report
Permit: NCSW0043 Effective: 03/10/00 Expiration: 03/31/05 Owner: Airgas USA LLC
SOC: Effective: Expiration: Facility: Alrgas USA,LLC-Goldsboro Regional Plant
County:Wayne l � 109 Hinnant Rd
4
Region: Washington
Goldsboro NC 27530
Contact Person: Robbie Chose Title: Phone: [phone]
Directions to Facility:
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On-Site Representative(s):
Related Permits:
Inspection Date: 0310512C09 Entry Tlme: 11:15AM Exit Time: 11:45AM
Primary Inspector: Thom Edgerton Phone: 252-94"481
Secondary Inspector(s):
Reason for Inspection: Other Inspection Type: Stormwater
Permit Inspection Type: Stormwater Discharge,individual
Facility Status: M Compliant ❑ Not Compliant
Question Areas:
Storm Water
(See attachment summary)
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penult NCS000043 Owner•Facaity:Airgas USA LLC
Inspection Date: 03/05/2009 Inspection Type:Stormwater Reason for Visit: Other
Inspection Summary:
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My visit was to provide RO comments to the draft permit submitted by Jennifer Jones. I did see any areas of major
concern. I did not see a second outfall and Robbie Chase,Plant Manger,[phone] said that he was unaware of more
than just the one outfall NE corner of the property(roadside ditch along Hinnant Rd.). The Lime ponds are still in service,
but were said to be in the process of being taken out of service and changing to a recycle system. There was no obvious
evidence that the lime ponds were effecting surface water. I discussed the site with David May and APS will pursue the
activities of the ponds promptly. He had been on site about a year ago.
My evaluation is that the site was in compliance. My thought is that the APS action will speed along the transition to the
recycle system and the ponds will be taken out of service.
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Permit: NCS000043 Owner-Facillty:Airgas USA LLC
Inspection Date:03/05/2009 Inspection Typo:Stom*ater Reason for Visit: Other
Page: 3

way
NCS000043
Recommendations:Based on the documents reviewed,the application information submitted on June 22,2007
sufficient to issue an Individual Stormwater Permit.
Prepared by(Signature) Date �y1 t°t 0'r
Stormwater Permitting Unit Supervisor 1/.�r Date 2
for Bradley Bennett
Concurrence by Regional Office d r Date 3lq l
RO Water Quality Supervisor "���'^— Date
Regional QMce Staff Comments(attach addi zonal pages as necessary, T e i l- t g + 3! 4111
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