Cholla Unit2

Controlled PM10 Speciation from AP-42 Tables 1.1-5 & 1.1-6

Dry Bottom Boiler burning Pulverized Coal using only a Scrubber for Emissions control

assumes heating value of 9,274 Btu/lb and a sulfur content of 0.86 % and an ash content of 17.6 % and a heat input of 3,037 mmBtu/hr and f(RH) = 1

Controlled PM10 Emissions (Bold values from Table 1.1-5.)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (lb/mmBtu) (lb/mmBtu) (lb/mmBtu) Coef. (lb/mmBtu) (lb/ton) Coef. (lb/mmBtu) Coef. (lb/mmBtu) (lb/mmBtu) Type Ext.Coef. (lb/mmBtu) Type Ext.Coef.

PC-DB 0.4545 0.3985 0.1139 0.6 0.2847 0.2741 1 0.01053 10 0.056 0.045 SO4 3*f(RH) 0.011 SOA 4

Controlled PM10 Emissions (Bold Values from Table 1.1-6.)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (lb/ton) (lb/ton) (lb/ton) Coef. (lb/ton) (lb/ton) Coef. (lb/ton) Coef. (lb/ton) (lb/ton) Type Ext.Coef. (lb/ton) Type Ext.Coef.

PC-DB 8.431 7.392 2.112 0.6 5.280 5.085 1 0.1954 10 1.039 0.831 SO4 3*f(RH) 0.208 SOA 4

Controlled PM10 Emissions

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (% of Total) (% of Total) (% of Total) Coef. (% of Total) (% of Total) Coef. (% of Total) Coef. (% of Total) (% of Total) Type Ext.Coef. (% of Total) Type Ext.Coef.

PC-DB 100% 87.7% 25.1% 0.6 62.6% 60.3% 1 2.3% 10 12.3% 9.9% SO4 3*f(RH) 2.5% SOA 4

If you are given Total PM10 emissions in lb/hr:

Controlled PM10 Emissions (Bold Value is Input by user.)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (lb/hr) (lb/hr) (lb/hr) Coef. (lb/hr) (lb/hr) Coef. (lb/hr) Coef. (lb/hr) (lb/hr) Type Ext.Coef. (lb/hr) Type Ext.Coef.

PC-DB 52.0 45.6 13.0 0.6 32.6 31.4 1 1.2 10 6.4 5.1 SO4 3 1.3 SOA 4

Weighted Extinction 7.8 31.4 12.0 15.4 5.1 1.4

If you are given Total PM10 emissions in lb/mmBtu:

Controlled PM10 Emissions (Bold Value is Input by user.)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (lb/mmBtu) (lb/mmBtu) (lb/mmBtu) Coef. (lb/mmBtu) (lb/mmBtu) Coef. (lb/mmBtu) Coef. (lb/mmBtu) (lb/mmBtu) Type Ext.Coef. (lb/mmBtu) Type Ext.Coef.

PC-DB 0.45 0.40 0.11 0.6 0.28 0.27 1 0.0105 10 0.06 0.04 SO4 3 0.01 SOA 4

If you are given Filterable PM10 emissions:

Controlled PM10 Emissions (Bold values from Table 1.1-5 and from Table 6 of EPA’s January 2002 DRAFT “Catalog of Global Emissions Inventories and Emission Inventory Tools for Black Carbon.”)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (% of Total) (% of Total) (% of Filterable) Coef. (% of Filterable) (% of Filterable) 1 (% of Filterable) Coef. (% of Total) (% of Condensible) Type Ext.Coef. (% of Condensible) Type Ext.Coef.

PC-DB 100% 87.7% 28.6% 0.6 71.4% 68.8% 1 2.6% 10 12.3% 80.0% SO4 3 20.0% SOA 4

(% of Fine) Coef. (% of Fine) Coef.

96.3% 1 3.7% 10

If you are given Filterable PM10 emissions in lb/hr:

Controlled PM10 Emissions (Bold Value is Input by user.)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (lb/hr) (lb/hr) (lb/hr) Coef. (lb/hr) (lb/hr) Coef. (lb/hr) Coef. (lb/hr) (lb/hr) Type Ext.Coef. (lb/hr) Type Ext.Coef.

PC-DB 52.0 45.56 13.0 0.6 32.5 31.3 1 1.2 10 6.4 5.1 SO4 3 1.3 SOA 4

If you are given Filterable PM10 emissions in lb/mmBtu:

Controlled PM10 Emissions (Bold Value is Input by user.)

Boiler Total PM10 Filterable Coarse Ext. Fine Fine Soil Ext. Fine EC Ext. Condensible CPM IOR Particle CPM OR Particle 

Type (lb/mmBtu) (lb/mmBtu) (lb/mmBtu) Coef. (lb/mmBtu) (lb/mmBtu) Coef. (lb/mmBtu) Coef. (lb/mmBtu) (lb/mmBtu) Type Ext.Coef. (lb/mmBtu) Type Ext.Coef.

PC-DB 0.45 0.40 0.11 0.6 0.28 0.27 1 0.0105 10 0.06 0.04 SO4 3 0.01 SOA 4

Coarse 25.1% Coarse 13.0

Fine Soil 60.3% Fine Soil 31.4

Fine EC 2.3% Fine EC 1.2

CPM IOR 9.9% CPM IOR 5.1

CPM OR 2.5% CPM OR 1.3

100.0% 52.0
25.1%

60.3%

2.3%

9.9%

2.5%

Dry-Bottom PC Boiler w Scrubber PM10 Speciation Profile

Coarse

Fine Soil

Fine EC

CPM IOR

CPM OR

60.3%
13.0 1.2

5.1

1.3

Dry-Bottom PC Boiler w Scrubber PM10 Emissions (lb/hr)

Coarse

Fine Soil

Fine EC

CPM IOR

CPM OR

31.4
PC with Scrubber

from AP-42 Table 1.1-6

(User inputs filterable emission rate in lb/hr)

Particle Cumulative Mass Fraction of PM10 Particle Emissions

Size < Stated Size < Stated Size Size Range by size

(um) Scrubber (%) (um) (lb/hr)

10 71% 100% 10-6 5.8

6 62% 87% 6-2.5 7.1

2.5 51% 72% 2.5-1.25 10.3

1.25 35% 49% 1.25-1.0 2.6

1 31% 44% 1.0-625 7.1

0.625 20% 28% 0.625-0 12.8

CALPUFF Filterable Filterable

Particle Particle Size Fraction Emissions Extinction Emissions

Size (um) Range (um) (% of Total) (lb/hr) Coef. (g/sec)

8 10-6 13% 5.8 0.6 0.73

4.25 6-2.5 15% 7.1 0.6 0.89 28% Coarse >/= 2.5 micron

1.88 2.5-1.25 23% 10.3 1 1.30 72% Fine Soil </= 2.5 micron

1.25 1.25-1 6% 2.6 1 0.32

0.813 1.6-25 15% 7.1 1 0.89

0.625 0.625-0 28% 12.8 1 1.47

10 0.15 3.7% of Fine is EC

Totals 100% 45.6 5.75
13%

15%

23%

6%

15%

28%

Dry-Bottom PC Boiler w Scrubber Fraction of Filterable PM10 (%)

10-6

6-2.5

2.5-1.25

1.25-1

1.6-25

0.625-0
5.8

7.1

10.3

7.1

12.8

Dry-Bottom PC Boiler w Scrubber Filterable PM10 Emissions (lb/hr) in Each Size Range

10-6

6-2.5

2.5-1.25

1.25-1.0

1.0-625

0.625-0

2.6