Minutes Exhibit E

Minutes Exhibit E
Port Commission Regular
Meeting
of June 26. 2018
AIRCRAFT EMISSIONS RATES OR TOTAL GSE EMISSION PER LANDING/TAKEOFF CYCLE

Geomode 1 - Takeoff        (kg/hr/eng)
Aircraft               AIRCFT  747      Geomode 2 - Runway Queue  (kg/hr/eng)
Geographic mode        GEOMODE        1 Geomode 3 - Touch & Go    (kg/hr/eng)
Geomode 4 - Taxi in/out    (kg/hr/eng)
Fuel                    FUEL.CD       13 Geomode 5 - Grnd supp equip (kg/LTD)
Number of engines      ENG.NUM        4 Geomode 6 - Test          (kg/hr/eng)
Geomode 7 - Climb         (kg/hr/eng)
Geomode 8 - Approach      (kg/hr/eng)

Time in mode           TIMEMOD       .70 minutes

Sum of GSE costs per LTO   GSE             .00 dollars/hours

Aircraft engine emissions per unit time (kg/hr/eng) or
emissions from all ground support equipment per aircraft LTO (kg/LTD)

C0      3.120751
HC      2.340563
NOx   358.886395
SOX     4.213014
Part m
AIRCRAFT EMISSIONS RATES OR TOTAL GSE EMISSION PER LANDING/TAKEOFF CYCLE

Geomode 1 - Takeoff        (kg/hr/eng)
Aircraft               AIRCFT  DClO     Geomode 2  Runway Queue  (kg/hr/eng)
Geographic mode        GEOMODE        1 Geomode 3 - Touch & Go    (kg/hr/eng)
Geomode 4 - Taxi in/out    (kg/hr/eng)
Fuel                    FUEL.CD       13 Geomode 5 - Grnd supp equip (kg/LTD)
Number of engines      ENG.NUM        3 Geomode 6 - Test          (kg/hr/eng)
Geomode 7  Climb           (kg/hr/eng)
Geomode 8 - Approach      (kg/hr/eng)

Time in mode           TIMEMOD      .70 minutes

Sum of GSE costs per LTO   GSE             .00 dollars/hours

Aircraft engine emissions per unit time (kg/hr/eng) or
emissions from all ground support equipment per aircraft LTO (kg/LTD)

CO      1.758124
HC      1.758124
NOX   277.783548
SOX     4.746934
Part *

APPENDIX: EMISSIONS BY SOURCE

This section provides detailed emissions for each source type:

0   Auxiliary Power Units

0   Ground Support Equipment

0   Stationary Sources

0   Parking Trafc

0   Roadway Trafc


Table A3-1
AIRCRAFT ENGINE EMISSIONS BY ARRIVALS/DEPARTURES AND REMAIN-OVER-NIGHTS

SHORT TONS OF POLLUTANTS (2014)

EMISSION SOURCE    NOx     voc        co       50x      PM-10      PM-2.5      TOTAL
'
Aircraft Engines          1,623        242        1,329        158            22            _2_2         3,395
Arrivals/Departures     1,435       224        1,208        141            20            20         3,047
RONs                188       18       121       17          2          2        348

Note: APUs = Auxiliary Power Units; RON = Remain-Over-Night
Numbers may not add up to due rounding.

Source: LeighFisher, 2016

Table A3-2
AUXILIARY POWER UNITS EMISSIONS BY ARRIVALS/DEPARTURES AND REMAIN-OVER-NIGHTS

SHORT TONS OF POLLUTANTS (2014)

EMISSION SOURCE    NOx     VOC        CO       50x      PM-10      PM-2.5      TOTAL
APUs (Total)               _7_2         g          g          _g             g            _8_          149
Arrivals/Departures        65          4           44           8             8             8           136
RONS                  7        0         3        1          1          1         13

Note: APUs = Auxiliary Power Units; RON = Remain-Over-Night
Numbers may not add up due to rounding.

Source: LeighFisher, 2016

vehicular trafc was modeled on a per vehicle basis. The annualized VMT was divided by 1,000 vehicles to
model emissions on a per 1,000 vehicle basis.


3   EMISSIONS INVENTORY FOR 2014
Table 3-1 summarizes the criteria pollutant emissions for all sources in the year 2014 at the Airport. Criteria
pollutants are NOx, volatile organic compounds (VOCs), C0, particulate matter with aerodynamic diameters
equal to or less than 2.5 micrometers (PM2.5) or 10 micrometers (PMm), sulfur oxides (50x) and lead.
Because very little AvGas, the only fuel that contains lead, is dispensed at Sea-Tac, the evaluation did not
include consideration of lead emissions.

Table 3-1
CRITERIA POLLUTANT EMISSION INVENTORY, 2014

SHORT TONS OF POLLUTANTS (2014)

EMISSION SOURCE    NOx     VOC        CO       50x      PM-10      PM-2.5      TOTAL
Aircraft Engines           1,623        242        1,329         158              8              8         3,395
APUs                   72                 48        9         22          22        149
GSE                    307       78      2,292        21          20          19       2,738
Stationary Sources           17          H           12           0            22            23            34
Parking                       1                     36          0             1                          39
Ground Transport           32        19         462          2            1                       516
Total            2,052       347       4,178         54            53           187        6,871

Source: LeighFisher, 2016











Page |12                                                                          July 15,2016

TABLE D-3
Page 1 of 4

Seattle - Tacoma International Airport
Envitonmental Impact Statement

EMISSION INVENTORY
1994 EXISTING CONDITIONS
TONS/YEAR

1994 Do-Nothlng
159113.995.                   90          YQQ            N922             Qx___BMJD___TQEAL_
Roadways                      16,676.00       1,402.50                       1.37          9.12      20,252.69
_ [3,163.70
5"2                                             "3 4
Parking Lots        i'\                        31A 14.07 23-03     12.30   -0' 3 4 0.01 -        0.05          202.21
01 2:905
Heating Plants              5 . 5 L:              (9.377   0.53    .0122  13.00    .003   0.06    .311   0.28            17.12
Training Fires                                           24.48             0.32             9.79             0.08            77.38
Surf. Coating                                            3.58            0.00            0.00            0.00            3.58
Tank Farms                                .009  27.51           0.00           0.00           0.00          27.51
.
Gmd. Sup. Equip./                               120.78         105.85           2.30 -       6.67         783.95
Aircra                  a t Z 1    l,365.l0    17-"740639   I'd ?# 1,378.30-     101 54.67  '_ .3"      3,205.19
'II'CI'                         TOTALS                             18,811.20         2,000.34         3,673.47            68.20            16.42        24,569.63
Source: Emission Dispersion Modeling System (EDMS) Version 944
Landmm & Brown Inc., March, 1995
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