| Published by DNREC Division of Air and Waste Management-Web Site: www.awm.delaware.gov. Suggestions? Additions? Please e-mail Christina.Wirtz@state.de.us, or call Christina at (302) 395-2600. The bimonthly E-News Update features current information on the Division’s public meetings, workshops, hearings, and regulatory documents available for public comment, as well as news updates. For those of you who are receiving the E-News Update for the first time, the subscription is FREE! Please sign up at the following link: http://www.dnrec.state.de.us/DNREC2000/admin/maillists/maillists.htm. There is no form to fill out; it’s done in three clicks! |
News Updates
Ozone Exceedances in New Castle County – On August 17, the ozone 8-hour standard of 0.08 parts per million (ppm) was exceeded at one air quality monitoring site in Delaware - Summit Bridge in New Castle County. Ozone was detected at a concentration of 0.086 ppm. However, there were no exceedances of the 1-hour standard of 0.12 ppm on this day at Summit Bridge, or at any of the other nine air quality monitoring sites in Delaware.
Over the summer, there were a total of five days with exceedances of the 8-hour standard, and all of the exceedances occurred in New Castle County. However, the 1-hour standard was only exceeded on one of the five days at three air quality monitoring stations located in New Castle County. While maximum ozone readings are usually recorded in June, July, and August, the ozone monitoring season extends through the end of October. Final results for the 2007 ozone monitoring season will be available in November 2007. For more information, please contact Elizabeth Frey at (302) 323-4542, or visit: /Info/Ozone.htm.
Delaware City Refinery Update – The fluid catalytic cracking unit (FCCU) wet gas scrubber (WGS) regenerator stripper reboiler at the refinery was returned to service over the weekend. The reboiler was taken out of service last month for repair of the reboiler’s tube sheet. The reboiler is a component that strips the rich amine off the acid gas so that it can be reused in the absorber. During the return to service, flue gas flow did not bypass either the carbon monoxide boiler or the scrubber train. However, because the amine circulation was stopped for approximately 24 hours, sulfur dioxide emissions increased above the permitted short term level of 50 ppm. The caustic polisher remained in circulation. Valero resumed normal operation following the reboiler's return to service on Saturday evening, Sept. 8.
In addition, there is a planned turnaround of the continuous catalyst regenerator (CCR) reformer, which will last approximately four weeks. No adverse environmental incidents are expected to result from this turnaround activity. For more information on activities at the refinery, please contact DNREC’s site engineers, Ravi Rangan and Bruce Steltzer, at (302) 323-4542.
Upcoming Air and Waste-Related Hearings, Meetings & Events
September 12 – Public Hearing for City of Wilmington and Delaware Solid Waste Authority Application for Post-Closure Care Permit for the Closed Pigeon Point Landfill will be held from 6:00 to 10:00 PM at the Rose Hill Community Center on 19 Lambson Lane in New Castle. The public hearing will be held on the proposed application for a permit to provide post-closure care for the Pigeon Point Landfill (see also notice in ‘Documents Available for Comment or Appeal’ Section). For more information, please contact Robert Hartman at (302) 739-9403, or visit: http://www.delaware.gov/eGov/Calendar.nsf/Meetings/AE1626A4897E64518525733E0047FA83?open and http://www.dnrec.state.de.us/dnrec2000/admin/press/story1.asp?PRID=2634.
September Meetings of the State Emergency Response Commission (SERC) and the Local Emergency Planning Committees (LEPCs) - LEPCs were appointed by the Delaware State Emergency Response Commission. The LEPC provides a forum for interaction and information sharing among businesses, government officials, emergency organizations, and the public. Meetings will be held at the following times and locations:
- September 10 – New Castle County LEPC will meet at 2:30 PM at the DuPont Stine Haskle Research Center located at 1090 Elkton Road in Newark.
- September 11 – Kent County LEPC will meet at 9 AM at 911 Public Safety Boulevard in Dover.
- September 14 – Wilmington LEPC meeting has been cancelled.
- September 19 – State Emergency Response Commission (SERC) will meet at 9:00 AM at the Delaware State Fire School in Dover.
For more information, please contact Shannon Splittorff at (302) 739-9405, or visit: http://www.serc.delaware.gov/. Meeting information is also available at http://www.serc.delaware.gov/event.shtml.
September 19 – Recycling Public Advisory Council Meeting will be held from 1:30 to 3:30 PM at the Brandywine Hundred Library located at 1300 Foulk Road in Wilmington. The Recycling Public Advisory Council meets monthly to discuss recycling matters in Delaware. For more information, please contact Bill Miller at (302) 739-9403 or visit: /Info/RPAC.htm.
September 21 – Brownfields Advisory Committee Meeting is scheduled to meet from 9:00 AM to 12:30 PM at the St. Jones Reserve located at 818 Kitts Hummock Road in Dover. The committee provides input to the Division regarding brownfields-related issues. For additional information, please contact Christina Wirtz at (302) 395-2600, or visit: http://denver.state.de.us/eGov/Calendar.nsf/Meetings/65DB282048C28515852573400048A14A?open. Directions to the St. Jones Reserve are available at: /NR/rdonlyres/522382C0-3FDA-465F-97AE-BDD407DA8466/2304/DirectiontoSJDNERR.doc.
September 24 – (Rescheduled from August 23) Public Hearing on Proposed Revision to Regulation 32, Transportation Conformity, of the State of Delaware, "Regulations Governing the Control of Air Pollution" will be held in the Priscilla Building Conference Room, 156 S. State Street in Dover beginning at 6:00 PM. The proposed amendments will simplify Delaware's transportation conformity regulations, and will bring the Salisbury/Wicomico Metropolitan Planning Organization (MPO) into the Interagency Transportation Conformity Consultation Workgroup. For additional information, please contact Phil Wheeler in Dover at (302) 739-9402 or visit: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2454&MsgType=P. Hearing information is also available at: http://www.delaware.gov/eGov/Calendar.nsf/Meetings/4A227CA3D6B6C3448525733600543B67?open.
Documents Available for Public Comment or Appeal
INVISTA S.A.R.L. APPLICATION FOR OPERATION OF INVISTA SEAFORD INDUSTRIAL WASTE LANDFILL
NOTICE START DATE: 09/09/2007 NOTICE END DATE: 09/24/2007
INVISTA S.à.r.l. applied for renewal of the INVISTA Seaford industrial waste landfill permit. INVISTA Seaford, which is currently in operation, is located at 25876 DuPont Road in Seaford. Under the current industrial waste landfill permit, INVISTA disposes of industrial waste (fly and bottom ash) generated onsite, at a 12.25 acre landfill located on the property. INVISTA has not requested any changes in the wastes allowed by the permit or operation of the landfill.
A public hearing on the above permit application will NOT be held unless the Secretary of DNREC, in care of Avery Dalton, receives a meritorious request for hearing by September 24, 2007. The permit application is available for review during business hours at DNREC's Solid & Hazardous Waste Management Branch office at 89 Kings Highway in Dover or at Division of Soil and Water, Sussex Suites Office, 21309 Berlin Road in Georgetown. The application is also posted on the DNREC website at: http://www.dnrec.state.de.us/DNREC2000/Divisions/AWM/hw/facilities.htm. For additional information or an appointment to review the application, please contact Avery Dalton, Solid and Hazardous Waste Management Branch, 89 Kings Hwy, Dover, DE 19901, (302) 739-9403, or by e-mail at: avery.dalton@state.de.us. More information is also available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2542&MsgType=P.
CITY OF WILMINGTON AND DSWA APPLICATION FOR POST-CLOSURE CARE PERMIT FOR THE CLOSED PIGEON POINT LANDFILL IN NEW CASTLE NOTICE START DATE: 08/19/2007 NOTICE END DATE: 09/13/2007
DNREC has received an application for a permit to provide post-closure care for the Pigeon Point Landfill located at 1101 Lambson Lane in New Castle. DNREC will hold a public hearing to receive comments on the proposed application on September 12, 2007, starting at 6:00 PM at the Rose Hill Community Center, 19 Lambson Lane in New Castle (see hearing notice above, in ‘Upcoming Air and Waste-Related Hearings, Meetings & Events’ Section). The permit will implement the current post-closure care requirements of Section 5.K of the Delaware Regulations Governing Solid Waste and will include specific requirements for periodic environmental and geotechnical monitoring of the site; cap maintenance; control of litter, odor and dust; control of access and activities on the site; recordkeeping; and reporting.
The application is available for review during business hours at the DNREC’s offices in the Richardson & Robbins Building at 89 Kings Highway in Dover and at the Division of Air & Waste Management Offices at 391 Lukens Drive, Riveredge Industrial Park in New Castle. The application is also posted on the DNREC website at /. For those unable to attend the public hearing and/or those that prefer to submit written comments, please provide comments to DNREC by September 11, 2007 to ensure that they are included in the public record. For additional information and to submit comments, please contact Robert Hartman, 89 Kings Highway, Dover, DE 19901, (302) 739-9403, or e-mail robert.hartman@state.de.us. Additional information is also available at: http://www.dnrec.state.de.us/dnrec2000/admin/press/story1.asp?PRID=2634.
FINAL PLANS OF REMEDIAL ACTION FOR OPERABLE UNITS 127, 130 & 132, SAINT GEORGES BRIDGE SITE
NOTICE START DATE: 09/09/2007 NOTICE END DATE: 09/29/2007
SIRB announced the Final Plans of Remedial Action for the St. Georges Bridge Site, Operable Units (OUs) 127, 130 and 132. The Final Plans present DNREC's preferred cleanup alternative for the remediation at the St. Georges Bridge Site in St. Georges, Delaware. DNREC issued previous Final Plans for the site covering OU-1 through OU-126 in June 2005, however, these parcels had not granted access for sampling or remediation until recently and were not part of the original investigation. The U.S. Army Corps of Engineers (USACE)-Philadelphia District constructed the St. Georges Bridge in the early 1940s and currently own and maintain the bridge. Subsequent to the opening of the new SR-1 Bridge, the USACE curtailed painting maintenance on the St. Georges Bridge, resulting in peeling and chipping lead paint that impacted the surrounding neighborhoods.
DNREC invited written comments on the Proposed Plans of Remedial Action. The public comment period for the Proposed Plans began on August 6, 2007, and ended at the close of business (4:30 p.m.) on August 27, 2007. No comments were received. The public may appeal the Final Plans by September 29, 2007. A copy of the Final Plans for the site are available at the St. Georges Post Office or at the office of DNREC–SIRB, 391 Lukens Drive, New Castle, Delaware 19720, and are also posted on DNREC-SIRB's website at http://www.dnrec.state.de.us/DNREC2000/Brownfields.asp under the subject "Announcements." For additional information, please contact Kristen Thornton at (302) 395-2600, or visit: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2540&MsgType=P.
PROPOSED PLAN OF REMEDIAL ACTION FOR THE MILLSBORO TCE GROUNDWATER CONTAMINATION SITE IN MILLSBORO
NOTICE START DATE: 08/29/2007 NOTICE END DATE: 09/17/2007
The Site Investigation and Restoration Branch (SIRB) announced the Proposed Plan of Remedial Action for the Millsboro TCE Groundwater Contamination Site (a/k/a Millsboro Public Well TCE Site). The site is located at the intersection of Wharton Street and S. DuPont Highway and is the source area for the trichloroethylene (TCE) groundwater contamination in the area. The site also includes the TCE recovery area consisting of two (2) public supply wells located at Church Street in Millsboro. The TCE source area property was formerly used for the manufacturing of poultry vaccines between 1952 and August 1999. Previous owners and/or operators of the source area property included: Delaware Poultry Laboratories, Inc., Sterwin Laboratories, Mallinckrodt Veterinary, Inc. and Schering-Plough Animal Health Corporation. The poultry vaccine manufacturing building on the site was demolished in December 1999.
SIRB invites written comments on the Proposed Plan. The public comment period began on August 29, 2007 and will close at the end of the business day (4:30 PM) on September 17, 2007. A copy of the Proposed Plan is available at the Millsboro Library or at the office of DNREC–SIRB, 391 Lukens Drive, New Castle, DE 19720. The Proposed Plan is also posted on DNREC-SIRB's website at http://www.dnrec.state.de.us/dnrec2000/Divisions/AWM/sirb/ under the subject "Announcements." Written comments should be submitted to Robert Asreen at DNREC-SIRB's address listed above. For additional information, please contact Robert Asreen at (302) 395-2600, or visit: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2528&MsgType=P.
PROPOSED PLAN OF REMEDIAL ACTION FOR THE 0 MILLER ROAD SITE IN WILMINGTON
NOTICE START DATE: 08/26/2007 NOTICE END DATE: 09/17/2007
SIRB announced the Proposed Plan of Remedial Action for the 0 Miller Road site. The site is located on "Miller Road", a road that has not been built, but is shown on maps located between Center Street and Pyles Lane in New Castle, Delaware. The site is a 2.3 acre parcel located in the Hamilton Park neighborhood in New Castle. It is currently a vacant, wooded lot that DNREC certified as a Brownfield property. The Crescent Foundry Company owned and operated the site from 1902 to 1910. The site was later filled with various fill materials. Both the foundry operation and the filling activities likely resulted in elevated levels of metals in soil, including arsenic above the Delaware Default Background Standard of 11 parts per million (ppm).
DNREC invites written comments on the Proposed Plan. The public comment period began on August 27, 2007 and will close at the end of the business day (4:30 PM) on September 17, 2007. The Proposed Plan is available at the New Castle Library and at the office of DNREC–SIRB, 391 Lukens Drive, New Castle, DE 19720. The Proposed Plan is also posted on DNREC-SIRB's website at http://www.dnrec.state.de.us/dnrec2000/Divisions/AWM/sirb/ under the subject "Announcements." For site-specific information, please go to DNREC's superfund site files database at http://www.dnrec.state.de.us/dnrec2000/Divisions/AWM/sirb/sitefiles.asp. Written comments should be submitted to Lindsay Hall at DNREC-SIRB's address listed above. For additional information, please contact Lindsay Hall at (302) 395-2600, or visit: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2523&MsgType=P.
TITLE V MODIFICATION APPLICATION FOR DOVER AIR FORCE BASE
NOTICE START DATE: 09/02/2007 NOTICE END DATE: 10/03/2007
Notice is hereby given that the Dover Air Force Base, at Routes 13 and 10 in Dover, has submitted a request for significant permit modification pursuant to Regulation No. 30, Section 7 for an operating permit. Based on the data and certifications contained in the application, the Air Quality Management Section concludes that the applicant meets all applicable requirements promulgated by the USEPA and DNREC. Therefore a "draft" significant permit modification has been prepared. The draft significant permit modification changes the frequency of required fuel oil sampling and sulfur content testing to at least once every three months.
A public hearing concerning the permitting action will NOT be held unless the Secretary of DNREC receives a request for a hearing by October 3, 2007. The application, the draft significant permit modification, all materials that the applicant has submitted (other than those granted confidential treatment under DNREC rules), and a copy of summary of other materials, if any, considered in preparing the draft significant permit modification may be inspected at the offices of the Division of Air and Waste Management, 156 S. State Street, Dover, Delaware and 715 Grantham Lane, New Castle, Delaware. To submit comments, for additional information or for an appointment to inspect the application, please contact Joanna Austin at the Dover Office at (302) 739 9402. Additional information on the permit modification is also available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2531&MsgType=P.
TITLE V SYNTHETIC MINOR PERMIT APPLICATIONS
Notice has been given that the facilities listed below have applied for Title V Synthetic Minor Permit applications. The applications may be reviewed at the office of the Division of Air and Waste Management, 156 S. State Street, Dover, Delaware. To submit comments, for additional information or for an appointment to inspect the public file, please contact Joanna Austin at the Dover Office at (302) 739-9402. A public hearing on the following applications will NOT be held unless the Secretary of DNREC receives a request for a hearing on the specific application by September 11, 2007:
· VFL Technology Corporation’s application pursuant to Regulation No. 1102, Section 2.1, 11.2(i), and 12.3 to amend operational requirements in an existing permit for equipment located at 12th Street and Hay Road, Wilmington. This amendment will not increase emissions. VFL Technology Corporation requests a limit for particulate matter less than 10 microns (PM10). These limits are necessary to restrict VFL Technology Corporation’s potential to emit air pollutants, and the limit will be enforceable by the EPA and the state. Total estimated emissions from the facility are 0.159 tons per year of PM10. More information on commenting on the application is also available at: http://www.dnrec.state.de.us/DNREC2000/Admin/Press/PublicNotices/PNDetail.asp?NOVID=2495.
· Eagle Group’s (Metal Masters Foodservice Equipment Co., Inc) application pursuant to Regulation No. 1102, Section 2.1, 11.2(i), and 12.3 for a paint spray booth and associated spray painting operation at 100 Industrial Boulevard, Clayton. Eagle Group requests a limit for coating usage. These limits are necessary to restrict Eagle Group potential to emit air pollutants, and the limit will be enforceable by the EPA and the state. Total estimated emissions from the project are 1.83 tons per year of volatile organic compounds and 0.31 tons per year of particulate matter less than 2.5 microns. More information on commenting on the application is also available at: http://www.dnrec.state.de.us/DNREC2000/Admin/Press/PublicNotices/PNDetail.asp?NOVID=2496.
A public hearing on the following applications will NOT be held unless the Secretary of DNREC receives a request for a hearing on the specific application by September 25, 2007:
- Notice is hereby given that JP Morgan Chase (Manhattan Centre) has submitted an application, pursuant to Regulation No. 1102, Section 2.1, 11.2(i), and 12.3 for construction/operation of four (4) emergency generators at 1201 N. Market Street in Wilmington. JP Morgan Chase (Manhattan Centre) requests a limit for hours of operation to no more than 150 hours/year. These limits are necessary to restrict JP Morgan Chase (Manhattan Centre) potential to emit air pollutants, and the limit will be enforceable by the USEPA and the state. Total estimated emissions from the facility are: nitrogen oxides (NOx) at 4.10 tons per year (TPY); carbon monoxide (CO) at 1.09 TPY; sulfur oxides (SOx) at 0.07 TPY; particulate matter (PM) at 0.13; and volatile organic compounds (VOCs) at 0.11 TPY. Additional information is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2520&MsgType=P.
- Notice is also hereby given that JP Morgan Chase (Christiana Center) has submitted an application, pursuant to Regulation No. 1102, Section 2.1, 11.2(i), and 12.3 for construction/operation of six (6) emergency generators at 500 Stanton Christiana Road in Newark. JP Morgan Chase (Christiana Center) requests a limit for hours of operation to no more than 150 hours/year. These limits are necessary to restrict JP Morgan Chase (Christiana Center) potential to emit air pollutants, and the limit will be enforceable by the USEPA and the state. Total estimated emissions from the facility are: NOx at 3.28 TPY; CO at 0.87 TPY; SOx at 0.05 TPY; PM at 0.10; and VOCs at 0.09 TPY. Additional information is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2521&MsgType=P.
REGULATION NO. 1102 NATURAL MINOR PERMIT APPLICATIONS
Notice has been given that the facilities listed below have applied for Regulation 1102 Minor Permit applications or amendments. The applications may be reviewed at the office of the Division of Air and Waste Management, 156 S. State Street, Dover, Delaware, or 715 Grantham Lane, New Castle, Delaware. For additional information or for an appointment to review an application, please contact Joanna Austin at the Dover Office at (302) 739-9402.
A public hearing on the following application will NOT be held unless the Secretary of DNREC receives a request for a hearing on the application by September 13, 2007:
· Indian River Power LLC requested permits to construct selective non-catalytic reduction (SNCR) systems on Generating Units 1 and 2 at their 29416 Power Plant Road, Millsboro facility. The SNCR systems will reduce the nitrogen oxides emissions from Generating Units 1 and 2. Additional information on the application is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2527&MsgType=P.
A public hearing on the following application will NOT be held unless the Secretary of DNREC receives a request for a hearing on the specific application by September 17, 2007:
- Keenan Auto Body, 5077 Summit Bridge Road, in Middletown requested a permit to operate an auto body shop that conducts any or all of the following: collision repair, vehicle painting, paint stripping, or sanding. This auto body shop is participating in the DNREC's voluntary Auto Body Self-Certification Program. This auto body shop has a potential to emit less than 25 tons per year of volatile organic compounds (VOCs). Additional information on the application is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2529&MsgType=P.
A public hearing on the following applications will NOT be held unless the Secretary of DNREC receives a request for a hearing on the specific application by September 18, 2007. Additional information on these applications is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2530&MsgType=P.
- Bennie Smith Funeral Home requested a permit to construct a crematory at their 717 West Division Street, Dover facility. The crematory has the potential to emit (PTE) 0.35 tons per year of particulate matter (PM). By permit, actual PM emissions will not exceed 0.079 pounds per hour and 0.12 tons per year.
- MCubed Technologies, Inc. requested permits to construct and operate two Donaldson Torit dust collectors at their Newark facility. The maximum controlled PM emissions from the dust collectors are not expected to exceed 0.29 and 0.2 tons per year (TPY) for the two collectors.
- First State Crematory, Inc. requested a permit to construct one pet cremator and one human cremator at their 29814 Lakewood Drive, Millsboro facility. Each cremator has the potential to emit 0.29 TPY PM, 0.02 TPY carbon monoxide (CO), 4.38 TPY nitrogen oxides (NOx), 0.02 TPY volatile organic compounds (VOCs), and 0.67 TPY sulfur oxides (SOx). By permit, actual emissions will not exceed 0.12 TPY PM, 0.01 TPY CO, 1.87 TPY NOx, 0.01 TPY VOCs, and 0.29 TPY SOx per unit.
A public hearing on the following application will NOT be held unless the Secretary of DNREC receives a request for a hearing on the application by September 18, 2007.
- DuPont Experimental Station in Wilmington submitted a permit application based on Regulation No. 1102 to construct and operate Boiler #6- 96 mmBTU/hr heat input, with No.6 fuel oil as a primary fuel, equipped with Low NOx Burner and Flue Gas Recirculation Technology. The annual maximum emissions of NOx, SOx, CO, and particulate matter less than 2.5 microns (PM2.5) will not exceed 64.8 TPY, 115 TPY, 7.8 TPH, and 16.8 TPY, respectively. Additional information on the DuPont application is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2532&MsgType=P.
A public hearing on the following applications will NOT be held unless the Secretary of DNREC receives a request for a hearing on the application by September 24, 2007. Additional information on the two facilities below is available at: http://www.dnrec.state.de.us/dnreceis/redirect.asp?ID=2539&MsgType=P.
- Sussex County Council requests a permit to construct a 500 kilowatt (kW) emergency generator at their Station #40 facility, located at 33711 South Coastal Lane in Frankford. The generator has the potential to emit 1.76 TPY of combined VOC and NOx, 0.97 TPY CO, 0.06 TPY SOx, and 0.06 TPY PM, based on 500 hours of operation per year.
- Sussex County Council also requests a permit to operate a 600 kW emergency generator at their Emergency Operations Center, located at 21518 Rudder Lane in Georgetown. The emergency generator has the potential to emit 2.12 TPY of combined VOC and NOx, 1.16 TPY CO, 0.07 TPY SOx, and 0.07 TPY PM, based on 500 hours of operation per year.
Employee News
Congratulations to Jim Short, who was hired as an Environmental Scientist IV, with the Solid and Hazardous Waste Management Branch (SHWMB), effective September 2, 2007. Jim was formerly an Environmental Project Manager I with SHWMB. Congratulations also to Aaron Siegel and Elizabeth Wolff, who were both hired as Hydrologists I with the Tank Management Branch, effective September 4, 2007. In addition, congratulations to John Cargill in the Site Investigation and Restoration Branch, who was recently reclassified from an Environmental Scientist III to a Hydrologist III.
Many congratulations also to the following employees who are celebrating their anniversaries with the Division in September: Paula Moore (5 years) with Accounting; and Bob Clausen (5 years), Brad Klotz (10 years) and David Fees (15 years), all with the Air Quality Management Section.
Contact the Division
- 24-Hour Report and Spill Notification Line - 1-800-662-8802
- Aboveground Storage Tanks - 302-395-2500
- Air Quality - Dover Office - 302-739-9402
- Air Quality - New Castle Office - 302-323-4542
- Asbestos New Castle - 302-323-4542
- Asbestos Kent & Sussex - 302-739-9402
- Boiler Safety - 302-744-2735
- Brownfields - 302-395-2600
- Director’s Office - 302-739-9400
- Emergency Prevention and Response - 302-739-9404
- Enforcement - 302-739-9401 or 1-800-662-8802
- Hazardous Waste - 302-739-9403
- Medical Waste - 302-739-9403
- Open Burning - 302-739-9402
- Outreach Ombudsman - 302-395-2515
- Recycling - 302-739-9403
- Site Investigation & Restoration Branch (Superfund/Brownfields) - 302-395-2600
- Solid Waste - 302-739-9403
- Underground Storage Tanks - 302-395-2500
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