40 C.F.R. § 98 app Table TT-1 to Subpart TT of Part 98

Current through September 30, 2024
Appendix Table TT-1 to Subpart TT of Part 98 - Default DOC and Decay Rate Values for Industrial Waste Landfills

Industry/Waste TypeDOC
(weight fraction, wet basis)
k
[dry climatea]
(yr-1)
k
[moderate climatea]
(yr-1)
k
[wet climatea]
(yr-1)
Food Processing (other than industrial sludge)0.220.060.120.18
Pulp and Paper Industry:
Pulp and paper wastes segregated into separate streams:
Boiler Ash0.060.020.030.04
Wastewater Sludge0.120.020.040.06
Kraft Recovery Wastesb0.0250.020.030.04
Other Pulp and Paper Wastes (not otherwise listed)0.200.020.030.04
Pulp and paper wastes not segregated into separate streams:
Pulp and paper manufacturing wastes, general (other than industrial sludge)0.150.020.030.04
Wood and Wood Product (other than industrial sludge)0.430.020.030.04
Construction and Demolition0.080.020.030.04
Industrial Sludgec0.090.020.040.06
Inert Waste [i.e., wastes listed in § 98.460(c)(2) ] 0000
Other Industrial Solid Waste (not otherwise listed)0.200.020.040.06

a The applicable climate classification is determined based on the annual rainfall plus the recirculated leachate application rate. Recirculated leachate application rate (in inches/year) is the total volume of leachate recirculated from company records or engineering estimates and applied to the landfill divided by the area of the portion of the landfill containing waste [with appropriate unit conversions].

Dry climate = precipitation plus recirculated leachate less than 20 inches/year;

Moderate climate = precipitation plus recirculated leachate from 20 to 40 inches/year (inclusive);

Wet climate = precipitation plus recirculated leachate greater than 40 inches/year.

Alternatively, landfills that use leachate recirculation can elect to use the k value for wet climate rather than calculating the recirculated leachate rate.

b Kraft Recovery Wastes include green liquor dregs, slaker grits, and lime mud, which may also be referred to collectively as causticizing or recausticizing wastes.

c A facility that can segregate out pulp and paper industry wastewater sludge must apply the 0.12 DOC value to that portion of the sludge.

40 C.F.R. 98 app Table TT-1 to Subpart TT of Part 98

75 FR 39773, July 12, 2010, as amended at 76 FR 73910, Nov. 29, 2011; 78 FR 71981, Nov. 29, 2013; 81 FR 89274, Dec. 9, 2016
81 FR 89274, 1/1/2018