**Appendix C-1 Summary of Cost Impacts of Regulatory Options for Subpart XXX in 2023**

**Internal Option	#**  **Option	Name Annualized**  **Capital	for Landfills**  **Operating	LFG Engines**  **Annualized**

**Capital	for	Flares Annualized** 

**Mobilization/I nstallation**  **Costs Annualized** 

**Capital	for Wells**  **Annualized**

**Capital	for Wellheads**  **Annual**

**Electricity Costs	to**  **Operate Blowers**  **Annual	O&M**

**for	Landfills with	LFG**  **Engines Annual	O&M** 

**for	Flares Annual	O&M** 

**for	Wells Total	Annual** 

**Costs Annual	Revenue** 

**from	LFG Engines**  **Net	Annualized**

**Control	Cost**

1 Baseline (2.5/50) 9,934,308 708,960 61,443 571,593 880,892 2,030,412 8,452,991 39,737 1,276,560 23,956,896 21,315,288 2,641,608

2 Alternative Option (2.5/50); IL = 2 years 9,511,572 818,542 76,804 526,598 843,188 1,860,655 8,093,289 49,672 1,221,921 23,002,239 20,374,332 2,627,907

3 Proposal (2.5/40) 11,202,518 869,186 84,484 614,532 1,024,850 2,268,247 9,532,096 54,639 1,485,180 27,135,734 24,028,987 3,106,747

4 Alternative Option (2.5/40); IL =

2 years; EL = 2 years 9,511,572 920,382 172,665 759,968 1,287,061 2,766,123 8,093,289 59,606 1,865,168 25,435,835 20,483,499 4,952,336

5 Alternative Option (2.0/40) 11,202,518 869,186 84,484 614,532 1,024,850 2,268,247 9,532,096 54,639 1,485,180 27,135,734 24,028,987 3,106,747

6 Alternative Option (2.0/40); IL =

2 years 9,511,572 920,382 92,165 642,446 1,057,413 2,246,079 8,093,289 59,606 1,532,368 24,155,319 20,483,499 3,671,820

7 Alternative Option (2.0/34) 10,568,413 864,558 84,484 584,002 976,864 2,141,905 8,992,544 54,639 1,415,640 25,683,048 22,659,510 3,023,539

8 Alternative Option (2.5/34); IL =

2 years; EL = 2 years 8,454,731 915,497 172,665 768,930 1,305,913 2,796,013 7,194,035 59,606 1,892,487 23,559,877 18,253,720 5,306,157

9 Alternative Option (3.0/40) 11,202,518 869,186 84,484 614,532 1,024,850 2,268,247 9,532,096 54,639 1,485,180 27,135,734 24,028,987 3,106,747

10 Alternative Option (3.0/40); EL =

2 years 11,202,518 869,186 158,276 732,576 1,215,082 2,831,692 9,532,096 54,639 1,760,858 28,356,924 24,028,987 4,327,937

11 Alternative Option (2.0/50) 9,934,308 708,960 61,443 571,593 880,892 2,030,412 8,452,991 39,737 1,276,560 23,956,896 21,315,288 2,641,608

12 Alternative Option (2.5/50); EL = 2 years 9,934,308 708,960 115,110 690,397 1,072,837 2,587,924 8,452,991 39,737 1,554,721 25,156,986 21,315,288 3,841,698

IL = Initial Lag EL = Expansion Lag **Totals**

**Annual Control Costs Appendix C-1 Summary of Cost Impacts of Regulatory Options for Subpart XXX in 2023** 

**Internal Option	#**  **Option	Name**

1 Baseline (2.5/50)

2 Alternative Option (2.5/50); IL = 2 years

3 Proposal (2.5/40)

4 Alternative Option (2.5/40); IL =

2 years; EL = 2 years

5 Alternative Option (2.0/40)

6 Alternative Option (2.0/40); IL =

2 years

7 Alternative Option (2.0/34)

8 Alternative Option (2.5/34); IL =

2 years; EL = 2 years

9 Alternative Option (3.0/40)

10 Alternative Option (3.0/40); EL =

2 years

11 Alternative Option (2.0/50)

12 Alternative Option (2.5/50); EL = 2 years

IL = Initial Lag EL = Expansion Lag Initial Performan ce	Tests NMOC

Emission Rate Quarterly	Surface Monitoring	(30	m pattern) Total	Testing

and Monitoring **Annualized Control	Costs**  **Annual	Revenue**

**from	LFG Engines**  **Net	Annualized**

**Control	Cost Total** 

**Testing	and Monitoring**  **Total**

**Annualized Cost** 

8,842 15,225 42,306 66,373 **2,707,982**

11,053 11,842 47,098 69,993 **2,697,900** (954,656) (940,955) (13,701) 3,619 (10,081)

12,158 10,150 49,971 72,279 **3,179,027** 3,178,838 2,713,699 465,139 5,906 471,045

13,264 8,459 53,275 74,998 **5,027,333** 1,478,939 (831,788) 2,310,727 8,624 2,319,352

12,158 11,842 49,971 73,971 **3,180,719** 3,178,838 2,713,699 465,139 7,598 472,737

13,264 10,150 53,275 76,689 **3,748,509** 198,424 (831,788) 1,030,212 10,316 1,040,528

12,158 11,842 49,971 73,971 **3,097,510** 1,726,153 1,344,222 381,931 7,598 389,528

13,264 10,150 53,275 76,689 **5,382,847** (397,018) (3,061,567) 2,664,549 10,316 2,674,865

12,158 10,150 49,971 72,279 **3,179,027** 3,178,838 2,713,699 465,139 5,906 471,045

12,158 10,150 49,971 72,279 **4,400,216** 4,400,028 2,713,699 1,686,329 5,906 1,692,235

8,842 15,225 42,306 66,373 **2,707,982**

- - - - -

8,842 15,225 42,306 66,373 **3,908,071** 1,200,090

- 1,200,090

- 1,200,090 **Annual Testing and Monitoring Costs**

**Total	Annualized Cost**  **Incrementals Internal** 

**Option	# Option	Name**  **Annual NMOC**  **Reductions (Mg/yr)**  **Annual**

**Methane Reductions**  **(Mg/yr) Annual** 

**Methane Reductions**  **(Mg CO2e/yr)**  **Incremen**

**tal Annual**  **NMOC Reduction**  **s	(Mg/yr) Incremen** 

**tal Annual**  **Methane Reduction**  **s	(Mg/yr) Increment** 

**al		Annual Methane**  **Reduction s	(Mg**  **CO2e/yr) $/Mg	NMOC**  **$/Mg	CH 4**  **$/Mg CO2e**  1 Baseline (2.5/50) 610 94,826 2,370,652 4,443 29 1.1

2 Alternative Option (2.5/50); IL = 2 years 570 88,688 2,217,206 (39) (6,138) (153,446) 3 Proposal (2.5/40) 689 107,130 2,678,257 79 12,304 307,605 5,956 38 1.5

4 Alternative Option (2.5/40); IL = 2 years; EL = 2 years 839 130,601 3,265,014 230 35,775 894,363 10,087 65 2.6 5 Alternative Option (2.0/40) 689 107,130 2,678,257 79 12,304 307,605 5,977 38 1.5

6 Alternative Option (2.0/40); IL = 2 years 684 106,359 2,658,975 74 11,533 288,323 14,037 90 3.6 7 Alternative Option (2.0/34) 651 101,206 2,530,152 41 6,380 159,500 9,499 61 2.4

8 Alternative Option (2.5/34); IL = 2 years; EL = 2 years 847 131,774 3,294,356 237 36,948 923,704 11,263 72 2.9 9 Alternative Option (3.0/40) 689 107,130 2,678,257 79 12,304 307,605 5,956 38 1.5

10 Alternative Option (3.0/40); EL = 2 years 855 133,078 3,326,941 246 38,252 956,289 6,883 44 1.8 11 Alternative Option (2.0/50) 610 94,826 2,370,652

- - -

12 Alternative Option (2.5/50); EL = 2 years 775 120,500 3,012,492 165 25,674 641,840 7,272 47 1.9 N/A*

* Based on characteristics of projected modeled landfills there are no additional landfills with capacities between 2.0 million and 2.5 million that exceed the NMOC emission threshold of 50 Mg/yr by 2023. **Incremental Total**  **Cost Effectiveness**

N/A - achieves less emission reductions than baseline in 2023 Appendix C-2 Summary of Emission Impacts of Regulatory Options for Subpart

XXX in 2023Appendix C-3 Summary of Enhanced Surface Emission Monitoring Cost Impacts in 2023

**Internal	Option #**  **Option	Name** Quarterly Surface Monitoring (25 ft pattern) Transposing

Data for Integrated Sample Calculations Improved

Surface Maintenance Allowance **Total**

**Enhanced SEM**  1 Baseline (2.5/50) 154,506 31,501 126,802 **312,810**

2 Alternative Option (2.5/50); IL = 2 years 170,267 34,742 139,846 **344,855** 3 Proposal (2.5/40) 179,042 36,585 147,267 **362,894**

4 Alternative Option (2.5/40); IL = 2 years; EL = 2 years 190,915 38,854 156,397 **386,166**

5 Alternative Option (2.0/40) 179,042 36,585 147,267 **362,894**

6 Alternative Option (2.0/40); IL = 2 years 190,915 38,854 156,397 **386,166**

7 Alternative Option (2.0/34) 179,042 36,585 147,267 **362,894**

8 Alternative Option (2.5/34); IL = 2 years; EL = 2 years 190,915 38,854 156,397 **386,166**

9 Alternative Option (3.0/40) 179,042 36,585 147,267 **362,894**

10 Alternative Option (3.0/40); EL = 2 years 179,042 36,585 147,267 **362,894**

11 Alternative Option (2.0/50) 154,506 31,501 126,802 **312,810**

12 Alternative Option (2.5/50); EL = 2 years 154,506 31,501 126,802 **336,877 Annualized Costs of Enhanced Surface Monitoring** Incremental

SEM Costs above Current 30-meter pattern 270,504

302,549 320,588

343,860

320,588

343,860

320,588

343,860

320,588

320,588

270,504

294,572RunID Landfill_ID Acreage 2023 25f Hours

Per Monitorin g Occurance 25f Days

Per Monitorin g Occurance 25f Weeks

per monitorin g Occurance 25f

Months per monitorin g Occurance 25f Labor

per year (4

occurances per year) 25f

Equipmen t Rental per year (4

occurance s per year) 10 F3 39 39 5 1 1 7,652 1,400 2 F3 39 39 5 1 1 7,652 1,400 3 F3 39 39 5 1 1 7,652 1,400 4 F3 39 39 5 1 1 7,652 1,400 5 F3 39 39 5 1 1 7,652 1,400 6 F3 39 39 5 1 1 7,652 1,400 7 F3 39 39 5 1 1 7,652 1,400 8 F3 39 39 5 1 1 7,652 1,400 9 F3 39 39 5 1 1 7,652 1,400 1 F6 256 256 32 7 2 50,878 8,800 10 F6 256 256 32 7 2 50,878 8,800 2 F6 256 256 32 7 2 50,878 8,800 3 F6 256 256 32 7 2 50,878 8,800 4 F6 256 256 32 7 2 50,878 8,800 5 F6 256 256 32 7 2 50,878 8,800 6 F6 256 256 32 7 2 50,878 8,800 7 F6 256 256 32 7 2 50,878 8,800 8 F6 256 256 32 7 2 50,878 8,800 9 F6 256 256 32 7 2 50,878 8,800 11 F6 256 256 32 7 2 50,878 8,800 12 F6 256 256 32 7 2 50,878 8,800 4 F7 46 46 6 2 1 9,073 2,800 6 F7 46 46 6 2 1 9,073 2,800 8 F7 46 46 6 2 1 9,073 2,800 10 F8 27 27 4 1 1 5,310 1,400 2 F8 27 27 4 1 1 5,310 1,400 3 F8 27 27 4 1 1 5,310 1,400 4 F8 27 27 4 1 1 5,310 1,400 5 F8 27 27 4 1 1 5,310 1,400 6 F8 27 27 4 1 1 5,310 1,400 7 F8 27 27 4 1 1 5,310 1,400 8 F8 27 27 4 1 1 5,310 1,400 9 F8 27 27 4 1 1 5,310 1,400 1 F10 58 58 8 2 1 11,564 2,800 25-foot Traverse C-4. Detailed Landfill Costs of Quarterly SEM under Current 30- meter Pattern and the Tighter 25- foot traverse pattern10 F10 58 58 8 2 1 11,564 2,800

2 F10 58 58 8 2 1 11,564 2,800 3 F10 58 58 8 2 1 11,564 2,800 4 F10 58 58 8 2 1 11,564 2,800 5 F10 58 58 8 2 1 11,564 2,800 6 F10 58 58 8 2 1 11,564 2,800 7 F10 58 58 8 2 1 11,564 2,800 8 F10 58 58 8 2 1 11,564 2,800 9 F10 58 58 8 2 1 11,564 2,800 11 F10 58 58 8 2 1 11,564 2,800 12 F10 58 58 8 2 1 11,564 2,800 1 F13 18 18 3 1 1 3,612 1,500 10 F13 18 18 3 1 1 3,612 1,500 2 F13 18 18 3 1 1 3,612 1,500 3 F13 18 18 3 1 1 3,612 1,500 4 F13 18 18 3 1 1 3,612 1,500 5 F13 18 18 3 1 1 3,612 1,500 6 F13 18 18 3 1 1 3,612 1,500 7 F13 18 18 3 1 1 3,612 1,500 8 F13 18 18 3 1 1 3,612 1,500 9 F13 18 18 3 1 1 3,612 1,500 11 F13 18 18 3 1 1 3,612 1,500 12 F13 18 18 3 1 1 3,612 1,500 1 F15 73 73 10 2 1 14,432 2,800 10 F15 73 73 10 2 1 14,432 2,800 2 F15 73 73 10 2 1 14,432 2,800 3 F15 73 73 10 2 1 14,432 2,800 4 F15 73 73 10 2 1 14,432 2,800 5 F15 73 73 10 2 1 14,432 2,800 6 F15 73 73 10 2 1 14,432 2,800 7 F15 73 73 10 2 1 14,432 2,800 8 F15 73 73 10 2 1 14,432 2,800 9 F15 73 73 10 2 1 14,432 2,800 11 F15 73 73 10 2 1 14,432 2,800 12 F15 73 73 10 2 1 14,432 2,800 1 F16 42 42 6 2 1 8,375 2,800 10 F16 42 42 6 2 1 8,375 2,800 2 F16 42 42 6 2 1 8,375 2,800 3 F16 42 42 6 2 1 8,375 2,800 4 F16 42 42 6 2 1 8,375 2,800 5 F16 42 42 6 2 1 8,375 2,800 6 F16 42 42 6 2 1 8,375 2,800 7 F16 42 42 6 2 1 8,375 2,800 8 F16 42 42 6 2 1 8,375 2,800 9 F16 42 42 6 2 1 8,375 2,800 11 F16 42 42 6 2 1 8,375 2,800 12 F16 42 42 6 2 1 8,375 2,8001 F17 61 61 8 2 1 12,206 2,800

10 F17 61 61 8 2 1 12,206 2,800 2 F17 61 61 8 2 1 12,206 2,800 3 F17 61 61 8 2 1 12,206 2,800 4 F17 61 61 8 2 1 12,206 2,800 5 F17 61 61 8 2 1 12,206 2,800 6 F17 61 61 8 2 1 12,206 2,800 7 F17 61 61 8 2 1 12,206 2,800 8 F17 61 61 8 2 1 12,206 2,800 9 F17 61 61 8 2 1 12,206 2,800 11 F17 61 61 8 2 1 12,206 2,800 12 F17 61 61 8 2 1 12,206 2,800 1 F18 42 42 6 2 1 8,320 2,800 10 F18 42 42 6 2 1 8,320 2,800 2 F18 42 42 6 2 1 8,320 2,800 3 F18 42 42 6 2 1 8,320 2,800 4 F18 42 42 6 2 1 8,320 2,800 5 F18 42 42 6 2 1 8,320 2,800 6 F18 42 42 6 2 1 8,320 2,800 7 F18 42 42 6 2 1 8,320 2,800 8 F18 42 42 6 2 1 8,320 2,800 9 F18 42 42 6 2 1 8,320 2,800 11 F18 42 42 6 2 1 8,320 2,800 12 F18 42 42 6 2 1 8,320 2,800 10 F19 37 37 5 1 1 7,374 1,400 3 F19 37 37 5 1 1 7,374 1,400 4 F19 37 37 5 1 1 7,374 1,400 5 F19 37 37 5 1 1 7,374 1,400 6 F19 37 37 5 1 1 7,374 1,400 7 F19 37 37 5 1 1 7,374 1,400 8 F19 37 37 5 1 1 7,374 1,400 9 F19 37 37 5 1 1 7,374 1,400 1 F20 84 84 11 3 1 16,620 4,200 10 F20 84 84 11 3 1 16,620 4,200 2 F20 84 84 11 3 1 16,620 4,200 3 F20 84 84 11 3 1 16,620 4,200 4 F20 84 84 11 3 1 16,620 4,200 5 F20 84 84 11 3 1 16,620 4,200 6 F20 84 84 11 3 1 16,620 4,200 7 F20 84 84 11 3 1 16,620 4,200 8 F20 84 84 11 3 1 16,620 4,200 9 F20 84 84 11 3 1 16,620 4,200 11 F20 84 84 11 3 1 16,620 4,200 12 F20 84 84 11 3 1 16,620 4,20030m

Hours Per Monitorin g Occurance 30m Days

Per Monitorin g Occurance 30m

Weeks per monitorin g Occurance 30m

Months per monitorin g Occurance 30m Labor

per year (4

occurances per year) 30m

Equipment Rental per year (4

occurances per year) SCAQMD: Surface Maintenance

per year (4 occurances per year) 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 10 2 1 1 1,944 1,000 7,700 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 65 9 2 1 12,923 2,800 51,200 12 2 1 1 2,305 1,000 9,130 12 2 1 1 2,305 1,000 9,130 12 2 1 1 2,305 1,000 9,130 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 7 1 1 1 1,349 500 5,343 15 2 1 1 2,937 1,000 11,637 30 meter traverse15 2 1 1 2,937 1,000 11,637

15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 15 2 1 1 2,937 1,000 11,637 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 5 1 1 1 918 500 3,635 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 18 3 1 1 3,666 1,500 14,523 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,427 11 2 1 1 2,127 1,000 8,42716 2 1 1 3,100 1,000 12,283

16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 16 2 1 1 3,100 1,000 12,283 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 11 2 1 1 2,113 1,000 8,372 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 9 2 1 1 1,873 1,000 7,421 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725 21 3 1 1 4,221 1,500 16,725