State of California 
Air Resources Board 
Errata and Comment Period Extension 
Proposed Amendments to the 
Commercial Harbor Craft Regulation 
On September 21, 2021, the California Air Resources Board (CARB) released the 
Notice of Public Hearing to Consider the Proposed Amendments to the Commercial Harbor Craft Regulation ( Proposed Amendments ). The materials that are subject to 
the Notice were originally posted on September 21, 2021. As of October 1, 2021, 
CARB is incorporating these errata into the public record , which provide corrections to 
three documents: 
· Public Hearing to Consider the Proposed Amendments to the Commercial 
Harbor Craft Regulation. Staff Report: Initial Statement of Reasons . 
· Appendix D -1, Draft Environmental Analysis. 
· Appendix E: Technical Support Document and Assessment of Marine Emission 
Control Strategies, Zero -Emission, and Advanced Technologies for Commercial 
Harbor Craft . 
These errata only reflect corrections to the methodology for implementing existing 
cost inputs and assumptions , and references to subsection numbers of the Proposed 
Regulation Order . The errata do not include changes to cost inputs , cost assumptions , 
or other assumptions regarding compliance outcomes. Overall, t he direct economic 
impacts increase from $1.79 billion to $1.98 billion between 2023 and 2038. Updated 
costs remain far below the valuation of health benefits from avoided adverse health 
outcomes for the same time period, which remains at $5.25 billion. 
The 4 5-day comment period for this regulatory action opened on 
September 24, 2021, and was originally scheduled to close at the end of 
November 8, 2021. With the addition of this errata document to the rulemaking 
record, CARB is extending the comment period until November 15, 2021. Written 
comments regarding the Proposed Amendments (including this Errata document ) 
must be received no later than November 15, 2021 . 
Comments submitted in advance of the hearing must be addressed to one of the 
following: 
Postal mai l: Clerks’ Office , California Air Resources Board 
1001 I Street Sacramento, California 95814 
Electronic submittal: https://www.arb.ca.gov/lispub/comm/bclist.php 
1          
           
 
            
        
  
               
          
           
    
            
         
          
        
         
         
            
        
    
         
          
        
 
            
         
          
              
        
          
        
             
          
          
 This errata document, including all other posted rulemaking documents regarding this 
regulatory action, are available on CARB’s website at the following address: https://ww2.arb.ca.gov/rulemaking/2021/chc2021 
Staff provides the following corrections to the “Public Hearing to Consider the 
Proposed Amendments to the Commercial Harbor Craft Regulation. Staff Report: 
Initial Statement of Reasons ”: 
1. Page ES-5, replace “ the direct economic costs of $1. 79 billion for the same time 
period during implementation of the Proposed Amendments ” with “the direct 
economic costs of $1.98 billion for the same time period during 
implementat ion of the Proposed Amendments” . 
2. Page III -14, replace “to requirements of subsection (e)(6.1) of the Proposed 
Amendments” with “to requirements of subsection (e)(12) of the Proposed 
Amendments” . 
3. Page VIII -4, replace “additional emission reductions relative to requirements of 
subsection (e)(6.1) of the Proposed Amendments” with “additional emission 
reductions relative to requirements of subsection (e)(12) of the Proposed 
Amendments” . 
4. Page IX -6, replace “Staff estimates the total cost of repowering and retrofitting 
engines for in -use vessels to equal $1.2 billion through 2038” with “Staff 
estimates the total cost of repowering and retrofitting engines for in -use vessels 
to equal $1.3 billion through 2038” . 
5. Page IX -6, replace “Staff estimates the total cost of replacing and acquiring 
new-build vessels to equal $472 million through 2038” with “Staff estimates the 
total cost of replacing and acquiring new -build vessels to equal $536 million 
through 2038” . 
6. Page IX -7, replace “ Staff estimates the total cost of facility shore power 
infrastructure to equal $19 million through 2038 ” with “ Staff estimates the total 
cost of facility shore power infrastructure to equal $25 million through 2038 ”. 
7. Page IX -8, replace “Staff estimated that 17 charging facilities would need to be 
installed throughout the State to meet the charging demands resulting from 
ZEAT requirements. Staff estimates the total cost of zero -emission shore power 
infrastructure to equal $146 million th rough 2038 ” with “Staff estimated that 
22 charging facilities would need to be installed throughout the State to meet 
the charging demands resulting from ZEAT requirements. Staff estimates the 
total cost of zero -emission shore power infrastructure to equal $195 million 
through 2038 ”. 
2      
        
          8. Page IX-12, replace “Table IX-8”, with “Updated Table IX-8”. 
Table IX-8. Annual Direct Costs of the Proposed Amendments (2019 $) 
Year Repower and Retrofit 
Costs Vessel Replacement Costs Infrastructure Costs Administrative Costs Fuel Cost Savings Total Costs 
2023 $8,715,488 $831,139 $10,544,369 $21,284,688 -$1,154,078 $40,221,606 
2024 $29,948,428 $3,252,010 $10,545,134 $11,020,606 -$3,654,879 $51,111,299 
2025 $45,443,479 $5,158,105 $10,574,061 $11,021,273 -$5,583,033 $66,613,885 
2026 $57,183,571 $7,619,589 $11,543,289 $11,021,957 -$7,862,264 $79,506,142 
2027 $66,597,219 $12,512,740 $11,999,355 $11,022,660 -$9,640,605 $92,491,370 
2028 $73,017,786 $15,846,841 $12,093,761 $11,497,406 -$10,555,874 $101,899,920 
2029 $77,393,497 $20,860,983 $12,363,039 $7,246,120 -$11,757,897 $106,105,742 
2030 $85,289,519 $28,513,289 $12,384,103 $7,246,861 -$13,529,007 $119,904,765 
2031 $88,523,359 $32,900,296 $12,395,466 $7,247,622 -$14,433,936 $126,632,806 
2032 $91,181,642 $37,298,134 $12,401,094 $7,248,404 -$15,265,792 $132,863,482 
2033 $93,001,369 $44,320,296 $12,409,412 $7,723,243 -$16,694,227 $140,760,093 
2034 $95,124,398 $52,602,526 $12,418,743 $7,250,035 -$18,255,381 $149,140,322 
2035 $95,124,398 $52,602,526 $12,422,441 $3,472,765 -$18,264,379 $145,357,751 
2036 $95,124,398 $52,602,526 $12,418,589 $3,473,620 -$18,268,177 $145,350,956 
2037 $95,124,398 $52,602,526 $12,416,764 $3,474,500 -$18,270,745 $145,347,443 
2038 $95,124,398 $52,602,526 $12,414,551 $3,949,451 -$18,273,961 $145,816,965 
Total $1,191,917,346 $472,126,054 $191,344,172 $135,201,212 -$201,464,237 $1,789,124,546 
3          
          Updated Table IX-8. Annual Direct Costs of the Proposed Amendments (2019 $) 
Year Repower and Retrofit 
Costs Vessel Replacement Costs Infrastructure Costs Administrative Costs Fuel Cost Savings Total Costs 
2023 $8,715,488 $831,139 $12,262,981 $21,284,688 -$1,154,078 $41,940,219 
2024 $29,948,428 $3,252,010 $12,263,747 $11,020,606 -$3,654,879 $52,829,911 
2025 $45,443,479 $5,158,105 $12,292,673 $11,021,273 -$5,583,033 $68,332,498 
2026 $57,183,571 $7,619,589 $13,261,901 $11,021,957 -$7,862,264 $81,224,754 
2027 $66,597,219 $12,512,740 $13,717,967 $11,022,660 -$9,640,605 $94,209,982 
2028 $73,017,786 $15,846,841 $13,812,373 $11,497,406 -$10,555,874 $103,618,532 
2029 $84,312,036 $20,860,983 $14,104,018 $7,246,120 -$12,648,422 $113,874,735 
2030 $96,012,946 $29,334,838 $14,144,556 $7,246,861 -$14,550,247 $132,188,953 
2031 $99,246,786 $33,721,845 $14,155,919 $7,247,622 -$15,455,176 $138,916,994 
2032 $101,905,069 $40,093,563 $14,166,496 $7,248,404 -$16,611,071 $146,802,461 
2033 $103,753,557 $47,115,725 $14,174,814 $7,723,243 -$18,039,506 $154,727,834 
2034 $108,165,271 $63,896,568 $14,184,145 $7,250,035 -$21,050,265 $172,445,754 
2035 $108,165,271 $63,896,568 $14,206,437 $3,472,765 -$21,074,640 $168,666,400 
2036 $108,165,271 $63,896,568 $14,202,585 $3,473,620 -$21,078,439 $168,659,606 
2037 $108,165,271 $63,896,568 $14,200,760 $3,474,500 -$21,081,006 $168,656,092 
2038 $108,165,271 $63,896,568 $14,198,547 $3,949,451 -$21,084,222 $169,125,614 
Total $1,306,962,720 $535,830,216 $219,349,919 $135,201,212 -$221,123,728 $1,976,220,339 
4      
 
 
   
    
    
 
 
 
 
 
  
 
 
 
 
 
 
 
  
  
   
    
    
 
 
 
 
 
  
 
 
 
 
 
 
 9. Page IX-13, replace “Table IX-9”, with “Updated Table IX-9”. 
Table IX-9. Direct Amortized Costs for Typical Business Vessel Owners and Operators of 
CHC (2019 $) 
Vessel Category Average Vessel# 
per Business Average Direct cost 
per vessel Average cost per 
business 
Ferry (Catamaran) 5.8 $6,333,308 $36,944,295 
Ferry (Monohull) 2.5 $2,806,487 $7,016,217 
Ferry (Short -Run) 2.7 $2,532,820 $6,754,187 
Pilot Boat 3.3 $1,653,379 $5,511,264 
Push/Tow Tug 2.9 $1,319,801 $3,804,133 
Escort/Ship Assist Tug 3.7 $3,046,463 $11,289,832 
ATB Tug 4.8 $4,248,532 $20,180,525 
Research Vessel 1.8 $673,804 $1,203,222 
CPFV 1.2 $512,980 $618,387 
Excursion 2.0 $587,694 $1,146,383 
Dredge 2.1 $246,863 $527,390 
ATB Barge 4.8 $1,878,943 $8,924,978 
Bunker Barge 2.8 $103,554 $291,834 
Other Barge 3.7 $192,161 $704,591 
Towed Petrochemical Barge 2.2 $279,549 $615,008 
Crew Supply 2.6 $515,950 $1,329,142 
Workboat 2.5 $341,201 $863,983 
Commercial Fishing 1.2 $44,438 $51,479 
Updated Table IX-9. Direct Amortized Costs for Typical Business Vessel Owners and 
Operators of CHC (2019 $) 
Vessel Category Average Vessel# 
per Business Average Direct cost 
per vessel Average cost per 
business 
Ferry (Catamaran) 5.8 $6,469,709 $37,739,967 
Ferry (Monohull) 2.5 $3,051,934 $7,629,836 
Ferry (Short -Run) 2.7 $2,558,267 $6,822,045 
Pilot Boat 3.3 $2,047,024 $6,823,412 
Push/Tow Tug 2.9 $1,494,142 $4,306,644 
Escort/Ship Assist Tug 3.7 $3,331,993 $12,347,974 
ATB Tug 4.8 $4,698,850 $22,319,539 
Research Vessel 1.8 $858,572 $1,533,164 
CPFV 1.2 $650,332 $783,962 
Excursion 2.0 $684,332 $1,334,889 
Dredge 2.1 $246,863 $527,390 
ATB Barge 4.8 $1,878,943 $8,924,978 
Bunker Barge 2.8 $103,554 $291,834 
Other Barge 3.7 $192,161 $704,591 
Towed Petrochemical Barge 2.2 $279,549 $615,008 
Crew Supply 2.6 $515,950 $1,329,142 
Workboat 2.5 $341,201 $863,983 
Commercial Fishing 1.2 $44,438 $51,479 
5      
     
    
        
        
      
        
        
       
       
       
              
             
    
       
    
        
        
      
        
        
       
       
       
               
              
     
        
           
        
        
         
          
         
   
         
          
         
   10.Page IX-14, replace “Table IX-10”, with “Updated Table IX-10”. 
Table IX-10. Calculated Cost Metrics and Cost Impacts to Individuals 
Cost Metric Average Annualized Cost Increase 
Cost Per Passenger – High -Speed Ferry, One -Way Trip $1.84 
Cost Per Passenger – Short -Run Ferry, One -Way Trip $0.98 
Cost Per Passenger – Excursion Vessels $1.23 
Cost Increase Per Twenty -Foot -Equivalent Unit – Tug Vessels $0.44 
Cost Per Pound of Fish – Commercial Fishing Vessels $0.04 
Cost Per Passenger/day – CPFVs, One -Day Trip $26.37 
Cost Per Passenger/day – CPFVs, Multi -Day Trip $24.56 
Cost Per Passenger/day – CPFVs, “6 -pack” Vessel* $83.50 
*6-pack vessels are uninspected passenger vessels that can carry up to 6 passengers (in addition to 
2 crew). Due to the smaller passenger capacity and market segment, the costs to individua l passengers 
aboard these vessels were calculated separately. 
Updated Table IX-10. Calculated Cost Metrics and Cost Impacts to Individuals 
Cost Metric Average Annua lized Cost Increase 
Cost Per Passenger – High -Speed Ferry, One -Way Trip $1.92 
Cost Per Passenger – Short -Run Ferry, One -Way Trip $0.98 
Cost Per Passenger – Excursion Vessels $1.54 
Cost Increase Per Twenty -Foot -Equivalent Unit – Tug Vessels $0.48 
Cost Per Pound of Fish – Commercial Fishing Vessels $0.04 
Cost Per Passenger/day – CPFVs, One -Day Trip $39.78 
Cost Per Passenger/day – CPFVs, Multi -Day Trip $37.05 
Cost Per Passenger/day – CPFVs, “6 -pack” Vessel* $125.96 
*6-pack vessels are uninspected passenger vessels that can carry up to 6 passengers (in addition to 
2 crew). Due to the smaller passenger capacity and market segment, the costs to individual passengers 
aboard these vessels were calculated separately. 
11.Page IX -17, replace “The estimated direct costs to local governments 
equipment and facility owners are $40.6 million in the period between 2023 -
2038 ” with “ The estimated direct costs to local governments equipment and 
facility owners are $46.4 million in the period be tween 2023 -2038” . 
12.Page IX -17, replace “Staff estimates that this will decrease local governments’ 
revenues by $3.1 million in the period between 2023 -2038” with “Staff 
estimates that this will decrease local governments’ revenues by $3.5 million in 
the period between 2023 -2038 ”. 
13.Page IX -18, replace “ Staff estimates that this will increase local governments’ 
revenues by $27.0 million in the period between 2023 -2038 ” with “ Staff 
estimates that this will increase local governments’ revenues by $30.4 million in 
the period between 2023 -2038 ”. 
6      
          
  
   
     
     14.Page IX-18, replace “Table IX-12”, with “Updated Table IX-12”. 
Table IX-12. Estimated Fiscal Impacts to Local Governments from 2023 through 2038 (2019 
$) 
Year Utility User 
Tax Revenue Local Diesel 
Fuel Tax Local sales 
Tax Total Change 
in Revenue Total Direct 
Costs Total Fiscal 
Impact 
2023 -$14,048 $8,299 -$2,536,298 -$2,542,048 $4,240,445 $1,698,397 
2024 -$14,055 $104,311 -$5,486,375 -$5,396,119 $6,435,195 $1,039,077 
2025 -$15,075 $177,114 -$4,345,243 -$4,183,204 $4,440,893 $257,689 
2026 -$49,288 $181,003 -$2,944,445 -$2,812,730 $3,012,446 $199,717 
2027 -$65,387 $187,624 -$2,337,652 -$2,215,415 $3,157,957 $942,542 
2028 -$68,719 $195,174 -$1,586,246 -$1,459,791 $2,393,571 $933,779 
2029 -$78,223 $192,254 -$1,061,706 -$947,676 $2,387,769 $1,440,093 
2030 -$78,966 $211,154 -$2,237,426 -$2,105,238 $3,844,377 $1,739,138 
2031 -$79,367 $215,813 -$1,405,469 -$1,269,023 $2,349,023 $1,080,001 
2032 -$79,565 $219,334 -$1,289,847 -$1,150,077 $2,215,680 $1,065,603 
2033 -$79,858 $226,416 -$815,618 -$669,059 $2,233,673 $1,564,614 
2034 -$80,186 $230,206 -$970,041 -$820,021 $2,712,135 $1,892,114 
2035 -$80,316 $229,786 $0 $149,470 $282,135 $431,605 
2036 -$80,179 $229,608 $0 $149,429 $281,355 $430,784 
2037 -$80,114 $229,488 $0 $149,374 $280,978 $430,352 
2038 -$80,035 $229,338 $0 $149,303 $288,884 $438,187 
Total -$1,023,381 $3,066,923 -$27,016,366 -$24,972,825 $40,556,516 $15,583,691 
7        
    
  
   
     
     
          
        
          
        
         
          
        
          
          
          
          
   
           
          
          
          Updated Table IX-12. Estimated Fiscal Impacts to Local Governments 
from 2023 through 2038 (2019$) 
Year Utility User 
Tax Revenue Local Diesel Fuel Tax Local sales Tax Total Change in Revenue Total Direct Costs Total Fiscal Impact 
2023 -$14,048 $8,299 -$2,536,298 -$2,542,048 $4,366,464 $1,824,416 
2024 -$14,055 $104,311 -$5,486,375 -$5,396,119 $6,561,214 $1,165,095 
2025 -$15,075 $177,114 -$4,345,243 -$4,183,204 $4,566,912 $383,708 
2026 -$49,288 $181,003 -$2,944,445 -$2,812,730 $3,012,446 $199,717 
2027 -$65,387 $187,624 -$2,337,652 -$2,215,415 $3,157,957 $942,542 
2028 -$68,719 $195,174 -$1,586,246 -$1,459,791 $2,393,571 $933,779 
2029 -$79,013 $232,100 -$2,808,692 -$2,655,604 $3,511,100 $855,496 
2030 -$80,443 $250,269 -$2,673,102 -$2,503,276 $4,960,967 $2,457,691 
2031 -$80,844 $254,929 -$1,405,469 -$1,231,384 $2,356,301 $1,124,917 
2032 -$81,216 $258,266 -$1,467,888 -$1,290,838 $2,713,733 $1,422,895 
2033 -$81,509 $265,348 -$818,626 -$634,788 $2,249,612 $1,614,824 
2034 -$81,838 $272,165 -$2,021,062 -$1,830,735 $5,330,984 $3,500,249 
2035 -$82,624 $271,027 $0 $188,403 $294,139 $482,542 
2036 -$82,487 $270,850 $0 $188,362 $293,359 $481,721 
2037 -$82,422 $270,730 $0 $188,308 $292,982 $481,290 
2038 -$82,343 $270,580 $0 $188,237 $300,888 $489,125 
Total -$1,041,312 $3,469,789 -$30,431,100 -$28,002,623 $46,362,629 $18,360,007 
15.Page IX -18, replace “the fiscal impact to local governments is estimated to be 
approximately $15.6 million over the regulatory implementation period, from 
2023 to 2038” with “the fiscal impact to local governments is estimated to be 
approximately $18.4 million over the regulatory implementation period, from 
2023 -2038”. 
16.Page IX -18, replace “The estimated direct costs to State government 
equipment and facility owners are $14.3 million in the period between 2023 -2038 ” with “The estimated direct costs to State government equipment 
and facility owners are $15.1 million in the period between 2023 -2038 ”. 
17.Page IX -19, replace “Staff estimates that this will dec rease State government’s 
revenues by $2.6 million in the period between 2023 -2038” with “Staff 
estimates that this will decrease State government’s revenues by $2.9 million in 
the period between 2023 -2038 ”. 
18.Page IX -19, replace “ Increased use of electricity is expected to increase 
revenues to State government by $33 thousand in the period betwe en 
2023 -2038 ” with “ Increased use of electricity is expected to increase revenues 
to State government by $34 thousand in the period between 2023 -2038 ”. 
8           
          
          
   
          
        
        
          
 
        
           
         
   19.Page IX -19, replace “Staff estimates that this will increase State government’s 
revenues by $22.8 millio n in the period between 2023 -2038” with “ Staff 
estimates that this will increase State government’s revenues by $25.7 million in 
the period between 2023 -2038” . 
20.Page IX -19, replace “The fiscal impact to State government agencies is 
estimated to increase revenues by $ 14.8 million over the regulatory 
implementation period” with “The fiscal impact to State government agencies 
is estimated to increase revenues by $15.1 million over the regulatory 
implementation period” . 
21.Page IX -21, replace “The estimated direct costs to federal government 
equipment and facility owners are estimated to be $12.7 million ” with “The 
estimated direct costs to federal government equipment and facility owners are 
estimated to be $14.7 million”. 
9      
           
   
  
    
   
 
 
 
 
   
  22.Page IX-20, replace “Table IX-13”, with “Updated Table IX-13”. 
Table IX-13. Estimated Fiscal Impacts to State Governments from 2023 through 2038 (2019 $) 
Year Costs to CARB State Diesel 
Fuel Tax Energy Resources Fee State Sales Tax Total Direct Costs Collected Compliance Fees Total Fiscal Impact 
2023 
$1,503,623 $7,001 -$512 -$2,139,832 $1,249,808 -$2,054,290 -$1,434,202 
2024 $1,495,623 $88,006 -$512 -$4,628,762 $2,108,411 -$2,054,290 -$2,991,524 
2025 $1,495,623 $149,428 -$535 -$3,666,008 $1,689,461 -$2,054,290 -$2,386,321 
2026 $1,495,623 $152,709 -$1,712 -$2,484,178 $1,129,929 -$2,054,290 -$1,761,919 
2027 $1,495,623 $158,296 -$2,236 -$1,972,238 $1,186,424 -$2,054,290 -$1,188,421 
2028 $1,495,623 $164,665 -$2,305 -$1,338,289 $886,769 -$2,054,290 -$847,827 
2029 $1,495,623 $162,202 -$2,579 -$895,744 $883,996 -$2,054,290 -$410,792 
2030 $1,495,623 $178,147 -$2,555 -$1,887,678 $1,453,425 -$2,054,290 -$817,329 
2031 $1,495,623 $182,078 -$2,521 -$1,185,771 $867,729 -$2,054,290 -$697,152 
2032 $1,495,623 $185,049 -$2,533 -$1,088,222 $815,612 -$2,054,290 -$648,761 
2033 $1,495,623 $191,023 -$2,546 -$688,123 $822,705 -$2,054,290 -$235,608 
2034 $1,495,623 $194,221 -$2,555 -$818,407 $1,009,910 -$2,054,290 -$175,498 
2035 $1,495,623 $193,866 -$2,577 $0 $59,253 -$2,054,290 -$308,125 
2036 $1,495,623 $193,717 -$2,595 $0 $59,205 -$2,054,290 -$308,340 
2037 $1,495,623 $193,615 -$2,604 $0 $59,181 -$2,054,290 -$308,475 
2038 $1,495,623 $193,489 -$2,614 $0 $62,423 -$2,054,290 -$305,369 
Total $23,937,968 $2,587,511 -$33,493 -$22,793,251 $14,344,240 -$32,868,640 -$14,825,665 
10             
   
  
    
   Updated Table IX-13. Estimated Fiscal Impacts to State Governments from 2023 through 2038 (2019 $) 
Year Costs to CARB State Diesel 
Fuel Tax Energy Resources Fee State Sales Tax Total Direct Costs Collected Compliance Fees Total Fiscal Impact 
2023 $1,503,623 $7,001 -$512 -$2,139,832 $1,299,119 -$2,054,290 -$1,384,891 
2024 $1,495,623 $88,006 -$512 -$4,628,762 $2,157,723 -$2,054,290 -$2,942,213 
2025 $1,495,623 $149,428 -$535 -$3,666,008 $1,738,773 -$2,054,290 -$2,337,009 
2026 $1,495,623 $152,709 -$1,712 -$2,484,178 $1,129,929 -$2,054,290 -$1,761,919 
2027 $1,495,623 $158,296 -$2,236 -$1,972,238 $1,186,424 -$2,054,290 -$1,188,421 
2028 $1,495,623 $164,665 -$2,305 -$1,338,289 $886,769 -$2,054,290 -$847,827 
2029 $1,495,623 $195,819 -$2,605 -$2,369,646 $1,323,560 -$2,054,290 -$1,411,538 
2030 $1,495,623 $211,148 -$2,603 -$2,255,251 $1,890,352 -$2,054,290 -$715,022 
2031 $1,495,623 $215,079 -$2,568 -$1,185,771 $870,577 -$2,054,290 -$661,350 
2032 $1,495,623 $217,895 -$2,585 -$1,238,432 $1,010,502 -$2,054,290 -$571,288 
2033 $1,495,623 $223,869 -$2,599 -$690,661 $828,942 -$2,054,290 -$199,115 
2034 $1,495,623 $229,621 -$2,608 -$1,705,136 $2,034,677 -$2,054,290 -$2,112 
2035 $1,495,623 $228,661 -$2,651 $0 $63,950 -$2,054,290 -$268,707 
2036 $1,495,623 $228,511 -$2,670 $0 $63,903 -$2,054,290 -$268,923 
2037 $1,495,623 $228,410 -$2,679 $0 $63,878 -$2,054,290 -$269,058 
2038 $1,495,623 $228,283 -$2,690 $0 
$67,121 -$2,054,290 -$265,953 
Total $23,937,968 $2,927,402 -$34,070 -$25,674,204 $16,616,197 -$32,868,640 -$15,095,347 
11            
          
                
         
            
          
              
           
        
           
           
         
           
       
             
           
         
  23.Page IX -22, replace “The changes in private investment for the Proposed 
Amendments, relative to the baseline, show increases in private investment as 
great as $41 million in 2024 and a decrease as large as $47 million in 2037” with 
“The changes in private investment f or the Proposed Amendments, relative to 
the baseline, show increases in private investment as great as $41 million in 
2024 and a decrease as large as $54 million in 2037 ”. 
24.Page IX -22, replace “In 2037, GSP is estimated to be $208 million lower than 
baseline levels, a 0.01 percent decrease” with “In 2037, GSP is estimated to be 
$239 million lower than baseline levels, a 0. 01 percent decrease” . 
25.Page IX -23, replace “Alternative 1 could provide mor e PM2.5, DPM, and NOx 
reductions and health benefits but results in higher costs (about 16 percent 
higher or $282 million additional cost)” with “Alternative 1 could provide more 
PM2.5, DPM, and NOx reductions and health benefits but results in higher cost s 
(about 16 percent higher or $314 million additional cost)” . 
26.Pages X-2, replace “Alternative 1 is estimated to cost $282 million more than 
the Proposed Amendments from 2023 to 2038 ” change to “Alternative 1 is 
estimated to cost $314 million more than the Proposed Amendments from 
2023 to 2038 ”. 
12          
             
          
         
            
          
         
  
               
           
            
             
           
          
           
   
         
          
            
           
         
          
        
             
            
            
         
           
            
        
           
             
 
          
            
         
        Staff provides the following corrections to the “Appendix D -1, Draft Environmental 
Analysis” : 
27.Page D -12, replace “Up to 14 percent of all CHC subject to the Proposed 
Amendments (approximately 269 out of 3,159 vessels) are expected to cease 
operations in Regulated California Waters8 or be replaced between the years 
2023 and 2034” with “Up to 12 percent of all CHC subject to the Proposed 
Amendments (approximately 368 out of 3,159 vessels) are expected to cease 
operations in Regulated California Waters8 or be replaced between the years 
2023 and 2034”. 
28.Page D -12, replace ”there could be up to 269 n ew vessels built in the 12 -year 
timeframe as a result of the Proposed Amendments” with ”there could be up to 
368 new vessels built in the 12 -year timeframe as a result of the Proposed 
Amendments”. 
29.Page D -13, replace ”there would be 11 new excursion vessels that are zero -
emission capable and would derive 30 percent or more of their power from a zero-emission source” with ”there would be 14 new excursion vessels that are 
zero-emission capable and would derive 30 percent or more of their power 
from a zero -emis sion source”. 
30.Page D -14, replace “there could be, both domestically and abroad, extremely 
small increases in lithium mining and exports from countries with raw mineral 
supplies (e.g., Chile, Argentina, and China) to produce the equivalent of 3 light -
duty b atteries each for 11 vessels” with “there could be, both domestically and 
abroad, extremely small increases in lithium mining and exports from countries with raw mineral supplies (e.g., Chile, Argentina, and China) to produce the 
equivalent of 3 light -duty batteries each for 14 vessels”. 
31.Page D -14, replace “For 11 vessels, this would require about 281.6 kg of 
lithium”, with “For 14 vessels, this would require about 358.4 kg of lithium”. 
32.Page D -14, replace “To meet an increased demand for refurbishing or reu sing 
batteries, CARB staff anticipates an extremely small increase in use of facilities 
for these purposes because the demand for batteries is anticipated to be 
limited to those needed for 11 new excursion vehicles” with “To meet an 
increased demand for re furbishing or reusing batteries, CARB staff anticipates 
an extremely small increase in use of facilities for these purposes because the 
demand for batteries is anticipated to be limited to those needed for 14 new 
excursion vessels”. 
33.Page D -15, replace ”CAR B staff estimate that each new excursion vessel will 
likely result in charging infrastructure for each of the 11 new vessels deployed” 
with ”CARB staff estimate that each new excursion vessel will likely result in 
charging infrastructure for each of the 14 new vessels deployed”. 
13             
         
             
         
             
      
      
      
          
 
           
 
            
          
          
          
     
            
         
              
        
        
            
          
           
         
     I I I I I I I I I I I I 
I I I I I I I I I I I I 34.Page D -16, replace “infrastructure for each of the 11 new vessels deployed” 
with “infrastructure for each of the 14 new vessels deployed”. 
35.Page D -39, replace “As can be seen in Table D -1e below, the Proposed 
Amendments would require 269 new build vessels and 1,552 repowers between 
the years 2023 and 2034” with “As can be seen in Table D -1e below, the 
Proposed Amendments would require 368 new build vessels and 1,584 
repowers between the years 2023 and 2034”. 
36. Page D -39, replace “Table D -1e” with “ Updated Table D- 1e”. 
Table D- 1e. Yearly Repower and New Vessel Needs for the Proposed Amendments 
2023 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32 ‘33 ‘34 Total 
Repower 195 234 200 64 61 76 16 215 248 223 7 13 1,552 
New Build 5 7 6 10 13 13 35 37 22 31 38 53 269 
Updated Table D- 1e. Yearly Repower and New Vessel Needs for the Proposed 
Amendments 
2023 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32 ‘33 ‘34 Total 
Repower 195 234 200 64 61 76 46 215 248 223 7 16 1,584 
New Build 5 7 6 10 13 13 35 40 22 50 38 130 368 
37.Page D -39, replace “At the height of new vessel building, as estimated by 
CARB staff to be in the year 2034, vessel construction related emissions could 
increase by 36 precent” with “At the height of new vessel building, as 
estimated by CARB staff to be in the year 2034, ves sel construction related 
emissions could increase by 86 percent ”. 
38.Page D -70, replace “As can be seen in Table D -1i below, the Proposed 
Amendments would require about 269 new build vessels and 1,522 repowers 
done between the years 2023 and 2034 ” with “As can be seen in Table D- 1i 
below, the Proposed Amendments would require about 368 new build vessels 
and 1,584 repowers done between the years 2023 and 2034 ”. 
39.Page D -70, replace “At the height of new vessel building, as estimated by 
CARB staff to be in the year 2034, vessel construction related emissions could 
increase by 36 p recent” with “At the height of new vessel building, as 
estimated by CARB staff to be in the year 2034, vessel construction related 
emissions could increase by 86 pe rcent”. 
14        
          
 
           
 
            
             
       
            
         
              
              
            
           
           
        
           
               
            
          
           I I I I I I I I I I I I I 
I I I I I I I I I I I I I 40.Page D -70, replace “ Table D -1i” with “ Updated Table D-1i”. 
Table D- 1i Yearly Repower and New Vessel Needs for the Proposed Amendments 
2023 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32 ‘33 ‘34 Total 
Repower 195 234 200 64 61 76 16 215 248 223 7 13 1,552 
New 5 7 6 10 13 13 35 37 22 31 38 53 269 
Updated Table D- 1i. Yearly Repower and New Vessel Needs for the Proposed Amendments 
2023 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32 ‘33 ‘34 Total 
Repower 195 234 200 64 61 76 46 215 248 223 7 16 1,584 
New 5 7 6 10 13 13 35 40 22 50 38 130 368 
41.Page D -154, replace “Additionally, 16 short -run ferries, 79 other vessels, and 11 
new excursion vessels would no longer be required or expected to be built or 
modified to use zero -emission powertrains” with “Additionally, 16 short -run 
ferries, 79 other vessels, and 14 new excursion vessels would no longer be 
required or expected to be b uilt or modified to use zero -emission powertrains”. 
42.Page D -155, “Using the statistic of 0.160 kg of lithium per kWh of lithium -ion 
battery storage, there would be 4,050 kg less of lithium mined as a result of there being 11 fewer new excursion vessels, 16 fewer short- run ferries, and 79 
other vessels not adopting ZEAT in response to Alternative 3 versus the Proposed Amendments. This figure of 4,050 kg lithium represents about half of a hundredth of a percent of total global lithium” with “Using the statisti c of 
0.160 kg of lithium per kWh of lithium -ion battery storage, there would be 
4,128 kg less of lithium mined as a result of there being 14 fewer new excursion 
vessels, 16 fewer short -run ferries, and 79 other vessels not adopting ZEAT in 
response to Alte rnative 3 versus the Proposed Amendments. This figure of 
4,128 kg lithium represents about half of a hundredth of a percent of total 
global lithium”. 
15         
       
   
      
          
       
 
          
        
 Staff provide s the following corrections to “Appendix E: Technical Support Document 
and Assessme nt of Marine Emission Control Strategies, Zero -Emission, and Advanced 
Technologies for Commercial Harbor Craft ”: 
43. Page E -46, replace “Table E-17” with “ Updated Table E- 17”. 
Table E -17. Estimated Number of Annual Engine Replacements (Repowers), Retrofits, and 
Vessel Replacements Due to Implementation of the Proposed Amendments. 
Year Repower Retrofit Vessel Replacement 
2023 195 0 5 
2024 234 44 7 
2025 200 37 6 
2026 64 67 10 
2027 61 80 13 
2028 76 83 13 
2029 16 72 35 
2030 215 111 37 
2031 248 11 22 
2032 223 3 31 
2033 7 14 38 
2034 13 44 53 
Average 129 47 22 
Updated Table E -17. Estimated Number of Annual Engine Replacements (Repowers), Retrofits, 
and Vessel Replacements Due to Implementation of the Proposed Amendments. 
Year Repower Retrofit Vessel Replacement 
2023 195 0 5 
2024 234 44 7 
2025 200 37 6 
2026 64 67 10 
2027 61 80 13 
2028 76 83 13 
2029 46 101 35 
2030 215 230 40 
2031 248 11 22 
2032 223 3 50 
2033 7 15 38 
2034 16 122 130 
Average 132 66 31 
16        
           
 
           
    
    
 
    ■ 
■ 
■ 
■ ■ 
■ 
■ 
■ 44.Page E -49, replace “Figure E-13” with “ Updated Figure E-13”. 
Figure E -13. Comparison of Repower Capacity and Number of Repowers Required by the 
Proposed Amendments 
543 353 248 129 
0 100 200 300 400 500 600 
Average Annual Repowers Required by Proposed Regulation, 2023-2034 
Maximum Annual Repowers Required by Proposed Regulation, 2031 
Capacity Directly Confirmed by Survey 
Total Calculated Capacity 
Updated Figure E -13. Comparison of Repower Capacity and Number of Repowers Required 
by the Proposed Amendments 
543 353 248 132 
0 100 200 300 400 500 600 
Average Annual Repowers Required by Proposed Regulation, 2023-2034 
Maximum Annual Repowers Required by Proposed Regulation, 2024 
Capacity Directly Confirmed by Survey 
Total Calculated Capacity 
17        
          
    
            
    
           
            
         
       
           
                
    
20 ■ 
■ 
■ 
■ 
40 60 80 100 120 140 
■ Average Annual Replacements Required by Proposed Reguation, 2023-2034 
■ Maximum Annual Replacements Required by Proposed Regulation, 2033 
■ Capacity Directly Confirmed by Survey 
■ Total Calculated Capacity 151 
160 
 0 45.Page E -50, replace “Figure E -14” with “ Updated Figure E -14”. 
Figure E -14. Comparison of Vessel Replacement Capacity and Number of Vessel 
Replacements Required by the Proposed Regulation 
151 98 53 22 
0 20 40 60 80 100 120 140 160 
Average Annual Replacements Required by Proposed Reguation, 2023-2034 
Maximum Annual Replacements Required by Proposed Regulation, 2034 
Capacity Directly Confirmed by Survey 
Total Calculated Capacity 
Updated Figure E -14. Comparison of Vessel Replacement Capacity and Number of Vessel 
Replacements Required by the Proposed Regulation 
46.Page E-50, replace “ The maximum estimated 53 replacements required in a 
single year (2034) accounts for 54 percent of the capacity which staff confirmed 
directly through the survey , and 35 percent of the calculated total west coast 
capacity ” with “ The maximum estimated 130 replacements required in a single 
year (2034) accounts for 133 percent of the capacity which staff confirmed 
directly through the survey, and 86 percent of the calculated total west coast 
capacity ”. 
18  
  
 
? 
~ . 
\ Any questions regarding these corrections should be directed to the agency 
representative David Quiros, Manager, Frei ght Technology Section by email at
david.quiros@arb.ca.gov or by phone at (916) 264-9378.
California Air Resources Board
_________________________________
Richard W. Corey
Executive Officer 
Date: October 1, 2021
The energy challenge facing California is real. Every Californian needs to take
immediate action to reduce energy consumptio n. For a list of simple ways you can 
reduce demand and cut yo ur energy costs, see CARB’s website  (www.arb.ca.gov). 
19