### Federal Register/Vol. 64, No. 164/Wednesday, August 25, 1999/Proposed Rules

24. Section 302.6 is amended by revising paragraph (b)(1)(iii) introductory text and by adding entries K173, K174, and K175 tothe table in paragraph (b)(1)(iii)in numerical orderto read as follows: §302.6 Notificationrequirements.

(1) * * * (iii) For waste streams K169, K170, K171, K172, K173, K174, and K175, knowledge of the quantity of all of the hazardous constituent(s) may be assumed, based on the following maximum observed constituent concentrations identified byEPA: Waste Constituent Maxppm

K173 .................. 2,3,7,8-TCDD ................................................................................................................................................. 0.000000017 1,2,3,7,8-PeCDD ............................................................................................................................................ 0.00000015 1,2,3,4,7,8-HxCDD ......................................................................................................................................... . 0.00000012 1,2,3,6,7,8-HxCDD ......................................................................................................................................... 0.00000091 1,2,3,7,8,9-HxCDD ......................................................................................................................................... 0.00000092 1,2,3,4,6,7,8-HpCDD ...................................................................................................................................... 0.000044 OCDD ............................................................................................................................................................. . 0.00022 2,3,7,8-TCDF .................................................................................................................................................. 0.00000045 1,2,3,7,8-PeCDF ............................................................................................................................................ 0.0000012 2,3,4,7,8-PeCDF ..................................................................... ... ......................................... 0.0000015 1,2,3,4,7,8-HxCDF ........................................................................ 0.000042 1,2,3,6,7,8-HxCDF ........................... ; ............................................................................................................. 0.000045 1,2,3,7,8,9-HxCDF ......................................................................................................................................... 0.000014 2,3,4,6,7,8-HxCDF

..................... ............ . ............................................... 0.000027 1,2,3,4,6,7,8-HpCDF ....................................................................... 0.0013 1,2,3,4,7,8,9-HpCDF ...................................................................................................................................... 0.00017 OCDF ............................................................................................................................................................. 0.006 Chloroform ...................................................................................................................................................... 7.1 K174 .................. 2,3,7,8-TCDD ............ ..................................................................................................................................... 0.000039 1,2,3,7,8-PeCDD

................................................................................................. 0.0000108 1,2,3,4,7,8-HxCDD ......................................................................................................................................... 0.0000241 1,2,3,6,7,8-HxCDD ......................................................................................................................................... 0.000083 1,2,3,7,8,9-HxCDD ......................................................................................................................................... 0.000062 1,2,3,4,6,7,8-HpCDD ...................................................................................................................................... 0.00123 OCDD ............................................................................................................................................................. 0.0129 2,3,7,8-TCDF .................................................................................................................................................. 0.000145 1,2,3,7,8-PeCDF ............................................................................................................................................ 0.0000777 2,3,4,7,8-PeCDF ............................................................................................................................................ 0.000127 1,2,3,4,7,8-HxCDF ......................................................................................................................................... 0.001425 1,2,3,6,7,8-HxCDF ......................................................................................................................................... 0.000281 1,2,3,7,8,9-HxCDF ......................................................................................................................................... 0.00014 2,3,4,6,7,8-HxCDF. ............................................. ........................... 0.000648 1,2,3,4,6,7,8-HpCDF ...................................................................................................................................... 0.0207 1,2,3,4,7,8,9-HpCDF ......................................................................................................................... :............ 0.0135 OCDF .............................................................................................................................................................. 0.212 K175 .................. Mercury .......................................................................................................................................................... 9200 [FRDoc. 99-20753 Filed8-24-99; 8:45am] BILLINGCODE6560-50-P 

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