STATEMENT OF BASIS For the issuance of Draft Air Permit # 1009-AOP-R6 AFIN: 70-00098 1. PERMITTING AUTHORITY: Arkansas Department of Environmental Quality 5301 Northshore Drive North Little Rock, Arkansas 72118-5317 2. APPLICANT: Clean Harbors EI Dorado, LLC 309 American Circle EI Dorado, Arkansas 71730 3. PERMIT WRITER: Ann Sudmeyer 4. PROCESS DESCRIPTION AND NAICS CODE: NAICS Description: Hazardous Waste Treatment and Disposal NAICS Code: 562211 5. SUBMITTALS: 12/29/2008 312512009 6. REVIEWER'S NOTES: Clean Harbors operates a hazardous waste treatment and storage facility located in EI Dorado. The primary treatment process consists of incineration, and some recycling activities. This permitting action is necessary to increase the permitted throughput of the Organic Liquid Waste Tanks (SN-21) from 5,164,590 gallons per year to 10,000,000 gallons per year. The total permitted annual emission rate limit increases associated with this modification include: 0.3 tons per year (tpy) VOC, 0.3 tpy methylene chloride, 0.3 tpy single organic HAP, and 0.3 tpy total organic HAP.
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STATEMENT OF BASIS
For the issuance ofDraft Air Permit # 1009-AOP-R6 AFIN: 70-00098
1. PERMITTING AUTHORITY:
Arkansas Department of Environmental Quality5301 Northshore DriveNorth Little Rock, Arkansas 72118-5317
2. APPLICANT:
Clean Harbors EI Dorado, LLC309 American CircleEI Dorado, Arkansas 71730
3. PERMIT WRITER:
Ann Sudmeyer
4. PROCESS DESCRIPTION AND NAICS CODE:
NAICS Description: Hazardous Waste Treatment and DisposalNAICS Code: 562211
5. SUBMITTALS:
12/29/2008312512009
6. REVIEWER'S NOTES:
Clean Harbors operates a hazardous waste treatment and storage facility located in EIDorado. The primary treatment process consists of incineration, and some recyclingactivities.
This permitting action is necessary to increase the permitted throughput of the OrganicLiquid Waste Tanks (SN-21) from 5,164,590 gallons per year to 10,000,000 gallons peryear.
The total permitted annual emission rate limit increases associated with this modificationinclude: 0.3 tons per year (tpy) VOC, 0.3 tpy methylene chloride, 0.3 tpy single organicHAP, and 0.3 tpy total organic HAP.
Pennit #: 1009-AOP-R6AFIN: 70-00098Page 2 of19
This facility has installed 8 new lances which feed waste to the Secondary CombustionChamber. They state that this change will not alter the mass feed rate or the facilityemissions. Any future modifications to hourly capacity should be evaluated to ensurethat they are not related to this physical change.
The EPA requested that the facility maintain a COMS for demonstrating compliance withthe opacity requirements at SN-01.
Modeling for the TLV table for the groundwater emissions (SN-01, SN-03, and SN-23)was conducted at the lower stack height.
7. COMPLIANCE STATUS:
The following summarizes the current compliance of the facility including active/pendingenforcement actions and recent compliance activities and issues.
An inspection conducted on February 6, 2008 showed the facility to be in compliance.
On August 5, 2008, enforcement was notified that the facility did not establish solidscontent or minimum blowdown rate with either a minimum scrubber tank volume orliquid level or the maximum inlet temperature to the baghouse per MACT EEE.
On October 1, 2008, enforcement was notified that the facility submitted the roadmaintenance plan 3 days late.
On March 25, 2009, enforcement was notified that this facility exceeded the throughputlimit at SN-21.
8. PSD APPLICABILITY:
a. Did the facility undergo PSD review in this pennit (i.e., BACT, Modeling, etc.)? N
b. Is the facility categorized as a major source for PSD? NSingle pollutant ~ 100 tpy and on the list of28 or single pollutant ~ 250 tpy and not on list?
If yes, explain why this pennit modification not PSD? N/A
9. SOURCE AND POLLUTANT SPECIFIC REGULATORY APPLICABILITY:
Source PollutantRegulation
(NSPS, NESHAP or PSD)
Facility ALL Criteria 40 CFR60 Dc
SN-21 VOC 40 CFR 60Kb
Permit #: 1009-AOP-R6AFIN: 70-00098Page 3 of 19
Source Pollutant Regulation(NSPS, NESHAP or PSD)
Facility VOC 40 CFR 61, Subpart C
Facility VOC 40 CFR 61, Subpart E
Facility VOC 40 CFR 61, Subpart FF
Facility ALL 40 CFR 63, Subpart EEE
10. EMISSION CHANGES AND FEE CALCULATION:
See emission change and fee calculation spreadsheet in Appendix A.
11. MODELING:
Criteria Pollutants
Examination of the source type, location, plot plan, land use, emission parameters, andother available information indicate that modeling is not warranted at this time for S02and VOC.
Emission RateNAAQS Highest
%ofPollutant
(lb/hr)Standard Averaging Time Concentration
NAAQS(j.tg/m3
) (j.tg/m3)
50 Annual 45.8a 91.6%PM lO 29.4
99.2b150 24-Hour 66.2%
80 Annual N/A N/A
S02 N/A 1300 3-Hour N/A N/A
365 24-Hour N/A N/A
VOC N/A 0.12 I-Hour (ppm) N/A N/A
10,000 8-Hour 29.7 0.3%CO 39.3
40,000 I-Hour 49.8 0.2%
NOx 54.8 100 Annual 6.1 6.1%
Rolling 3-monthPeriod over 3
Pb 0.0516 0.15 years (not to be 0.0015c 1.0%exceeded in any3 month period)
Permit #: 1009-AOP-R6AFIN: 70-00098Page 4 of19
a. Includes background concentration of 31.0 micrograms per cubic meter (LittleRock, 2006)
b. Includes background concentration of 48.0 micrograms per cubic meter (LittleRock, 2006)
c. Monthly average used in lieu of 3-month period.
Non-Criteria Pollutants:
This permit contains a TLV table for organic HAPs and hydrazine. Modeling was usedto determine the permitted emission rates for ranges of these pollutants (grouped byTLV) that pass the PAER or PAIL.
1st Tier Screening (PAER)
Estimated hourly emissions from the following sources were compared to thePresumptively Acceptable Emission Rate (PAER) for each compound. The Departmenthas deemed the PAER to be the product, in lb/hr, of 0.11 and the Threshold Limit Value(mg/m3
), as listed by the American Conference of Governmental Industrial Hygienists(ACGIH).
PollutantTLV PAER (lb/hr) =
Proposed lb/hr Pass?(mg/m3
) 0.11 x TLV
Antimony Compounds 0.5 0.055 0.11 N
Arsenic Compounds 0.01 0.0011 0.0206 N
Beryllium Compounds 0.002 0.00022 0.0206 N
Cadmium Compounds 0.002 0.00022 0.0516 N
Calcium cyanamide 0.5 0.055 1.066 N
Chlorine 1.45 0.1595 10.625 N
Chromium Compounds 0.01 0.0011 0.0206 N
Cobalt Compounds 0.02 0.0022 0.50 N
Cyanide Compounds 0.75 0.0825 1.066 N
Dioxins/Furans a 0.001 0.00011 8.99E-8 y
Hydrochloric acid 2.98 0.3278 10.938 N
Hydrogen fluoride 0.409 0.04499 6.24 N
Manganese Compounds 0.2 0.022 10.00 N
Mercury Compounds 0.01 0.0011 0.029013 N
Pennit #: 1009-AOP-R6AFIN: 70-00098Page 5 of 19
PollutantTLV PAER (lblhr) =
Proposed Iblhr Pass?(mg/m3) 0.11 x TLV
Methyl chlorofonn 1909.89 210.08 1.326 Y
Methylene chloride 173.68 19.104 3.946 Y
Nickel Compounds 0.1 0.011 2.00 N
Phosphine 0.417 0.0458 1.086 N
Phosphorus 0.1 0.011 1.066 N
Selenium Compounds 0.2 0.022 5.00 N
Tetrachloroethylene 169.52 18.64 1.116 Y
Titanium tetrachlorideb 0.54 0.0594 1.086 N
HzS 13.93 1.53 0.1 Y
a. Hypothetical value. The reviewing engineer screened these pollutants based on ahypothetical TLV of 0.001 mg/m3. The emission rates for dioxins and furans were basedon the requirements of 40 CFR Part 63, Subpart EEE.
b. No TLV found. Used AEGL-l (8-h)
2nd Tier Screening (PAIL)
AERMOD air dispersion modeling was perfonned on the estimated hourly emissionsfrom the following sources, in order to predict ambient concentrations beyond theproperty boundary. The Presumptively Acceptable Impact Level (PAIL) for eachcompound has been deemed by the Department to be one one-hundredth of the ThresholdLimit Value as listed by the ACGIH.
PollutantPAIL (Ilg/mj) = 1/100 of Modeled Concentration
Pass?Threshold Limit Value (llg/m3)
Antimony Compounds 5.0 0.0171 Y
Arsenic Compounds 0.1 0.00341 Y
Beryllium Compounds 0.02 0.00341 Y
Cadmium Compounds 0.02 0.00836 Y
Calcium cyanamide 5.0 0.18558 Y
Chlorine 14.5 3.54 Y
Chromium Compounds 0.1 0.00341 y
Cobalt Compounds 0.2 0.07733 Y
N
Permit #: 1009-AOP-R6AFIN: 70-00098Page 6 of 19
PollutantPAIL (Ilg/mj) = 1/100 of Modeled Concentration
Pass?Threshold Limit Value (llg/m3
)
Cyanide Compounds 7.5 0.18558 Y
Hydrochloric acid 29.8 3.65 y
Hydrogen fluoride 4.09 0.973 y
Manganese Compounds 2.0a 1.5465 y
Mercury Compounds 0.1 0.00449 y
Nickel Compounds 1.0 0.3093 Y
Phosphine 4.17 0.795 Y
Phosphorus 1.0 0.147 Y
Selenium Compounds 2.0 0.77325 Y
Titanium tetrachloride 5.4 0.795 Y
a. TLV for manganese and morganic compounds as manganese. Manganesecyc10pentadienyl tricarbonyl has a lower TLV, however, since this compound isorganic it would be emitted at a lower rate and pass the strategy.
Other Modeling:
Odor:
Odor modeling for sources emitting styrene.
PollutantThreshold value Modeled Concentration
Pass?I-hour average (llg/m3)
Styrene 1361 Ilg/m3 0.36 y
H2S Modeling:
A.C.A. §8-3-103 requires hydrogen sulfide emissions to meet specific ambientstandards. Many sources are exempt from this regulation, refer to the Arkansas Code fordetails.
Is the facility exempt from the H2S StandardsIf exempt, explain,,-: _
Pennit #: 1009-AOP-R6AFIN: 70-00098Page 7 of 19
Pollutant Threshold valueModeled Concentration
Pass?(ppb)20 parts per million
0.00272 ppm Y(5-minute average*)80 parts per billion
HzS(8-hour average) 0.00000065 ppb Yresidential area
100 parts per billion(8-hour average) 0.00000065 ppb Y
nonresidential area
*To detennine the 5-minute average use the following equation
Cp = Cm (tm/tp)o.z where
Cp = 5-minute average concentrationCm = I-hour average concentrationtm = 60 minutestp = 5 minutes
12. CALCULATIONS:
Emission FactorEmission Factor Control
ControlSN Source
(lb/ton, lb/hr, etc.) EquipmentEquipment Comments
(AP-42, testing, etc.) Efficiency01 PMlPM lO : 0.013 gr/dscf at 7% Baghouse Unknown
SN Recorded Item Pennit Limit Frequency Report (YIN)
Continuously01 Flue gas flowrate 95,330 acfm (Hourly Rolling yl
Average)
Continuously01 Scrubber pressure drop 37 in. w.c. (Hourly Rolling yl
Average)
Scrubber liquidContinuously
01 600 gpm (Hourly Rolling ylflowrate
Average)
Continuously01 Scrubber liquid pH 2.7 (Hourly Rolling yl
Average)
Activated carbonContinuously
01 30 scfm (Hourly Rolling ylcarrier fluid flowrate
Average)
1 in. w.c.Continuously
Baghouse pressure (minimum)01 (Hourly Rolling yl
drop, per cell 16 in. w.c. Average)(maximum)
Combustion chamberpressure: kiln,
Below yl01 secondary combustionatmospheric
Instantaneouschamber, waste fired
boiler
01 CO Emissions 100 ppm Continuously yl
16. OPACITY:
SN Opacity Justification for limitComplianceMechanism
01 20% Dept. Guidance COMS
04 5% Dept. Guidance Natural Gas as Fuel
07 5% Dept. Guidance Weekly
08 5% Dept. Guidance Natural Gas as Fuel
09 5% Dept. Guidance Weekly
17 5% Dept. Guidance Weekly
18 5% Dept. Guidance Weekly
20 5% Dept. Guidance Weekly
Permit #: 1009-AOP-R6AFIN: 70-00098Page 19 of 19
SN Opacity Justification for limitComplianceMechanism
22 5% Dept. Guidance Weekly
25 Off-site 5% Dept. Guidance Inspections
32 5% Dept. Guidance Weekly
17. DELETED CONDITIONS:
Former SC I Justification for removal
N/A
18. GROUP A INSIGNIFICANT ACTIVITIES
Source Group AEmissions (tpy)
Name Category PM/PMIO S02 VOC CO NOxHAPs
Single I TotalNone requested with this permit application. This table will be updated when the facility
requests a new activity or when the permit is renewed.
19. VOIDED, SUPERSEDED, OR SUBSUMED PERMITS:
List all active permits voided/superseded/subsumed by the issuance ofthis permit.
Permit #
1009-AOP-R5
20. CONCURRENCE BY:
The following supervisor concurs with the permitting decision.
Karen Cerney, P..
APPENDIX A - EMISSION CHANGES AND FEE CALCULAnON
Fee Calculation for Major Source
Clean Harbors El Dorado, LLC'>ennit #: 1009-AOP-R6AFIN: 70-00098
$/ton factorPennit Type
22.07Modification
Annual Chargeable Emissions (tpy)
Pennit Fee $444.47
1000
Minor Modification Fee $Minimum Modification Fee $Renewal with Minor Modification $Check if Facility Holds an Active Minor Source PennitIf Hold Active Pennit, Amt of Last Annual Air Pennit Invoice $
Total Pennit Fee Chargeable Emissions (tpy)Initial Title V Pennit Fee Chargeable Emissions (tpy)
5001000500
ro
0.6
HAPs not included in VOC or PM: Chlorine, Hydrazine, HCl, HF, Methyl Chloroform, Methylene Chloride.Phosphine, Tetrachloroethylene, Titanium Tetrachloride
Air Contaminants: All air contaminants are chargeable unless they are included in othertotals (e.g., H2S04 in condensible PM, H2S in TRS, etc.)
Check if Pennit Fee AnnualChargeable Old New Change in Chargeable Chargeable