### Federal Register/Vol. 63, No. 151/Thursday, August 6, 1998/Rules and Regulations

TABLE 302.4-LIST OF HAZARDOUS SUBSTANCES AND REPORTABLE QUANTITIES [NOTE: All Comments/Notes Are Located at the End of This Table]
Statutory Final RQ Hazardous substance CASRN Regulatory syno- Coder RCRA 

### nymswaste No. Pounds H u tAsRQ Category (Kg)

K16 9f

...................................... ............................... ............................... 1 , 4 K 16 9 A 1 0 (4 .5 4) Crude oil storage tank sediment from petroleum refining operations. K1 70f

...................................... ............................... ............................... 1 , 4 K 1 7 0 X 1 (0 .45 4) Clarified slurry oil tank sediment and/or in-line filter/ separation solids from petroleum refining operations. K1 7 1f

...................................... ............................... ............................... 1, 4 K 1 7 1 X 1 (0 .45 4) Spent hydrotreating catalyst

from petroleum refining operations. (This listing does not include inert support media.) K1 72f
...................................... ............................... ............................... 1, 4 K 1 72 X 1 (0 .45 4) Spent hydrorefining catalyst

from petroleum refining operations. (This listing does not include inert support media.) 

### t Indicates the statutory sources as defined by 1, 2, 3, and 4 below. *-Indicates that the 1-pound RQ is a CERCLA statutory RQ.

fSee 40 CFR 302.6(b)(1) for application of the mixture rule to this hazardous waste.

19. Section 302.6 is amended by (i) If the quantity of all of the released equals or exceeds the RQ for revising paragraphs (b)(1)(i) and hazardous constituent(s) of the mixture the hazardous constituent with the (b)(1)(ii) and by adding paragraph or solution is known, notification is lowest RQ; or (b)(1)(iii) to read as follows: required where an RQ or more of any (iii) For waste streams K169, K170, hazardous constituent is released; K171, and K172, knowledge of the §302.6 Notification requirements. (ii) If the quantity of one or more of quantity of all of the hazardous * * * * * the hazardous constituent(s) of the constituent(s) may be assumed, based

(b) * * * mixture or solution is unknown, on the following maximum observed notification is required where the total constituent concentrations identified by (1)* * * amount of the mixture or solution EPA:
Waste Constituent Max ppm K16 9 ........ B e

n

z e

n

e ............................................................................................................................................................................. 2 2 0 .0 K 1 70 ........ B e

n

z e

n

e ............................................................................................................................................................................. 1 .2 B en z o (a) p yre n e ............................................................................................................................................................... 23 0 .0 D

ib e n z (a ,h ) a n th ra c en e .................................................................................................................................................... 4 9 .0 B en z o (a) a n th ra c en e ........................................................................................................................................................ 39 0 .0 B en z o (b ) flu ora n th e n e ...................................................................................................................................................... 11 0 .0 B en z o (k) flu o ra n th e n e ...................................................................................................................................................... 11 0 .0 3 -M eth y lch o lan th re n e ......................................................................................................................................................... 2 7 .0 7 ,12 -Dimeth ylbe nz (a) a nth ra ce ne .................................................................................................................................... 1 ,20 0 .0 K 1 7 1 ........ B e

n

z e

n

e ............................................................................................................................................................................. 5

0 0 .0 A rse n ic ............................................................................................................................................................................... 1 ,60 0.0 K 1 7 2 ........ B e

n

z e

n

e ............................................................................................................................................................................. 1

0 0 .0 A rse n ic ............................................................................................................................................................................... 73 0 .0

[ER Doc. 98 19929 Filed 8 5 98; 8:45 am] BILLING CODE 6560-50-P 

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