; and (ii) ending on December 31, 2013; and (B) the quantity equal to the sum of— (i) 15 percent of the consumption level of hydrochlorofluorocarbons in calendar year 1989; and (ii) 0.42 percent of the consumption level of chlorofluorocarbons in calendar year 1989. (4) Exchange values (A) In general For purposes of paragraphs (2) and (3), the Administrator shall use the following exchange values for hydrochlorofluorocarbons and chlorofluoro- carbons: Table 2 Chemical Name Common Name Exchange Value CHFC1 2 HCFC–21 151 CHF 2 C1 HCFC–22 1810 C 2 HF 3 C1 2 HCFC–123 77 C 2 HF 4 C1 HCFC–124 609 CH 3 CFC1 2 HCFC–141b 725 CH 3 CF 2 C1 HCFC–142b 2310 CF 3 CF 2 CHC1 2 HCFC–225ca 122 CF 2 C1CF 2 CHC1F HCFC–225cb 595 Table 3 Chemical Name Common Name Exchange Value CFC1 3 CFC–11 4750 CF 2 C1 2 CFC–12 10900 C 2 F 3 C1 3 CFC–113 6130 C 2 F 4 C1 2 CFC–114 10000 C 2 F 5 C1 CFC–115 7370. (B) Review The Administrator may— (i) review the exchange values listed in the tables contained in subsection (a) on a periodic basis; and (ii) subject to notice and opportunity for public comment, adjust the exchange values solely on the basis of— (I) publicly available, peer- reviewed scientific data; and (II) other information consistent with widely used or commonly accepted existing exchange values. (b) Production and consumption phase-Down (1) In general During the period beginning on January 1 of each year listed in the table contained in paragraph (3) and ending on December 31 of the year before the next year listed on that table, except as otherwise permitted under this Act, no person shall— (A) produce a quantity of a regulated substance without a corresponding quantity of production allowances, except as provided in subsection (e)