Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 2 to Subpart D of Part 65: Table 2 to Subpart D of Part 65—TRE Parameters for NSPS Referencing Subparts a

Halogenated vent stream? Net heating value (MJ/scm)b Vent stream flow rate (scm/min)c Values of terms for TRE equation: TRE = A * [ B + C + D + E + F ] Equation number
A B C D E F
Yes 0≤H ≤3.5 Q <14.2 1/ETOC 30.96334 0 0 −0.13064QH 0 1
14.2≤Q ≤18.8 1/ETOC 19.18370 0.27580Q 0.757620Q0.88 −0.13064QH 0.01025Q0.5 2
18.8<Q ≤699 1/ETOC 20.00563 0.27580Q 0.303870Q0.88 −0.13064QH 0.01025Q0.5 3
699<Q ≤1400 1/ETOC 39.87022 0.29973Q 0.303870Q0.88 −0.13064QH 0.01449Q0.5 4
1400<Q ≤2100 1/ETOC 59.73481 0.31467Q 0.303870Q0.88 −0.13064QH 0.01775Q0.5 5
2100<Q ≤2800 1/ETOC 79.59941 0.32572Q 0.303870Q0.88 −0.13064QH 0.02049Q0.5 6
2800<Q ≤3500 1/ETOC 99.46400 0.33456Q 0.303870Q0.88 −0.13064QH 0.02291Q0.5 7
H >3.5 Q <14.2 1/ETOC 20.61052 0 0 0 0 8
14.2≤Q ≤18.8 1/ETOC 18.84466 0.26742Q −0.200440Q0.88 0 0.01025Q0.5 9
18.8<Q ≤699 1/ETOC 19.66658 0.26742Q −0.253320Q0.88 0 0.01025Q0.5 10
699<Q ≤1400 1/ETOC 39.19213 0.29062Q −0.253320Q0.88 0 0.01449Q0.5 11
1400<Q ≤2100 1/ETOC 58.71768 0.30511Q −0.253320Q0.88 0 0.01775Q0.5 12
2100<Q ≤2800 1/ETOC 78.24323 0.31582Q −0.253320Q0.88 0 0.02049Q0.5 13
2800<Q ≤3500 1/ETOC 97.76879 0.32439Q −0.253320Q0.88 0 0.02291Q0.5 14
No 0≤H ≤0.48 Q <14.2 1/ETOC 11.01250 0 0 −0.17109QH 0 15
14.2≤Q ≤1340 1/ETOC 8.54245 0.10555Q 0.090300Q0.88 −0.17109QH 0.01025Q0.5 16
1340<Q ≤2690 1/ETOC 16.94386 0.11470Q 0.090300Q0.88 −0.17109QH 0.01449Q0.5 17
2690<Q ≤4040 1/ETOC 25.34528 0.12042Q 0.090300Q0.88 −0.17109QH 0.01775Q0.5 18
0.48<H ≤1.9 Q <14.2 1/ETOC 13.45630 0 0 −0.16181QH 0 19
14.2≤Q ≤1340 1/ETOC 9.25233 0.06105Q 0.319370Q0.88 −0.16181QH1 0.01025Q0.5 20
1340<Q ≤2690 1/ETOC 18.36363 0.06635Q 0.319370Q0.88 −0.16181QH 0.01449Q0.5 21
2690<Q ≤4040 1/ETOC 27.47492 0.06965Q 0.319370Q0.88 −0.16181QH 0.01775Q0.5 22
1.9<H ≤3.6 Q <14.2 1/ETOC 7.96988 0 0 0 0 23
14.2≤Q ≤1180 1/ETOC 6.67868 0.06943Q 0.025820Q0.88 0 0.01025Q0.5 24
1180<Q ≤2370 1/ETOC 13.21633 0.07546Q 0.025820Q0.88 0 0.01449Q0.5 25
2370<Q ≤3550 1/ETOC 19.75398 0.07922Q 0.025820Q0.88 0 0.01775Q0.5 26
H >3.6 Q <14.2 1/ETOC 6.67868 0 0.02220Q0.88 H0.88 −0.00707QH 0.02036H0.5 27
Q ≥14.2 and 14.2≤Q*(H/3.6) ≤1180 1/ETOC 6.67868 0 0.02220Q0.88 H0.88 −0.00707QH 0.00540Q0.5 H0.5 28
Q ≥14.2 and 1180<Q*(H/3.6) ≤2370 1/ETOC 13.21633 0 0.02412Q0.88 H0.88 −0.00707QH 0.00764Q0.5 H0.5 29
Q ≥14.2 and 2370<Q*(H/3.6) ≤3550 1/ETOC 19.75398 0 0.02533Q0.88 H0.88 −0.00707QH 0.00936Q0.5 H0.5 30
No 0≤H <11.2 All 1/ETOC 2.08 2.25Q 0.288Q0.8 −0.193QH −0.0051ETOC 31
H ≥11.2 All 1/ETOC 2.08 0.309Q 0.0619Q0.8 −0.0043QH −0.0043ETOC 32
a Use according to procedures outlined in § 65.64(h).
b MJ/scm = mega Joules per standard cubic meter.
c scm/min = standard cubic meters per minute.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 65—CONSOLIDATED FEDERAL AIR RULE
Subpart D—Process Vents

Halogenated vent stream? Net heating value (MJ/scm)b Vent stream flow rate (scm/min)c Values of terms for TRE equation: TRE = A * [ B + C + D + E + F ] Equation number

A B C D E F

Yes 0≤H ≤3.5 Q <14.2 1/ETOC 30.96334 0 0 −0.13064QH 0 1

14.2≤Q ≤18.8 1/ETOC 19.18370 0.27580Q 0.757620Q0.88 −0.13064QH 0.01025Q0.5 2

18.8<Q ≤699 1/ETOC 20.00563 0.27580Q 0.303870Q0.88 −0.13064QH 0.01025Q0.5 3

699<Q ≤1400 1/ETOC 39.87022 0.29973Q 0.303870Q0.88 −0.13064QH 0.01449Q0.5 4

1400<Q ≤2100 1/ETOC 59.73481 0.31467Q 0.303870Q0.88 −0.13064QH 0.01775Q0.5 5

2100<Q ≤2800 1/ETOC 79.59941 0.32572Q 0.303870Q0.88 −0.13064QH 0.02049Q0.5 6

2800<Q ≤3500 1/ETOC 99.46400 0.33456Q 0.303870Q0.88 −0.13064QH 0.02291Q0.5 7

H >3.5 Q <14.2 1/ETOC 20.61052 0 0 0 0 8

14.2≤Q ≤18.8 1/ETOC 18.84466 0.26742Q −0.200440Q0.88 0 0.01025Q0.5 9

18.8<Q ≤699 1/ETOC 19.66658 0.26742Q −0.253320Q0.88 0 0.01025Q0.5 10

699<Q ≤1400 1/ETOC 39.19213 0.29062Q −0.253320Q0.88 0 0.01449Q0.5 11

1400<Q ≤2100 1/ETOC 58.71768 0.30511Q −0.253320Q0.88 0 0.01775Q0.5 12

2100<Q ≤2800 1/ETOC 78.24323 0.31582Q −0.253320Q0.88 0 0.02049Q0.5 13

2800<Q ≤3500 1/ETOC 97.76879 0.32439Q −0.253320Q0.88 0 0.02291Q0.5 14

No 0≤H ≤0.48 Q <14.2 1/ETOC 11.01250 0 0 −0.17109QH 0 15

14.2≤Q ≤1340 1/ETOC 8.54245 0.10555Q 0.090300Q0.88 −0.17109QH 0.01025Q0.5 16

1340<Q ≤2690 1/ETOC 16.94386 0.11470Q 0.090300Q0.88 −0.17109QH 0.01449Q0.5 17

2690<Q ≤4040 1/ETOC 25.34528 0.12042Q 0.090300Q0.88 −0.17109QH 0.01775Q0.5 18

0.48<H ≤1.9 Q <14.2 1/ETOC 13.45630 0 0 −0.16181QH 0 19

14.2≤Q ≤1340 1/ETOC 9.25233 0.06105Q 0.319370Q0.88 −0.16181QH1 0.01025Q0.5 20

1340<Q ≤2690 1/ETOC 18.36363 0.06635Q 0.319370Q0.88 −0.16181QH 0.01449Q0.5 21

2690<Q ≤4040 1/ETOC 27.47492 0.06965Q 0.319370Q0.88 −0.16181QH 0.01775Q0.5 22

1.9<H ≤3.6 Q <14.2 1/ETOC 7.96988 0 0 0 0 23

14.2≤Q ≤1180 1/ETOC 6.67868 0.06943Q 0.025820Q0.88 0 0.01025Q0.5 24

1180<Q ≤2370 1/ETOC 13.21633 0.07546Q 0.025820Q0.88 0 0.01449Q0.5 25

2370<Q ≤3550 1/ETOC 19.75398 0.07922Q 0.025820Q0.88 0 0.01775Q0.5 26

H >3.6 Q <14.2 1/ETOC 6.67868 0 0.02220Q0.88 H0.88 −0.00707QH 0.02036H0.5 27

Q ≥14.2 and 14.2≤Q*(H/3.6) ≤1180 1/ETOC 6.67868 0 0.02220Q0.88 H0.88 −0.00707QH 0.00540Q0.5 H0.5 28

Q ≥14.2 and 1180<Q*(H/3.6) ≤2370 1/ETOC 13.21633 0 0.02412Q0.88 H0.88 −0.00707QH 0.00764Q0.5 H0.5 29

Q ≥14.2 and 2370<Q*(H/3.6) ≤3550 1/ETOC 19.75398 0 0.02533Q0.88 H0.88 −0.00707QH 0.00936Q0.5 H0.5 30

No 0≤H <11.2 All 1/ETOC 2.08 2.25Q 0.288Q0.8 −0.193QH −0.0051ETOC 31

H ≥11.2 All 1/ETOC 2.08 0.309Q 0.0619Q0.8 −0.0043QH −0.0043ETOC 32

a Use according to procedures outlined in § 65.64(h).

b MJ/scm = mega Joules per standard cubic meter.

c scm/min = standard cubic meters per minute.

Collected 2026-08-27T02:26:04Z. Source file · JSON

Browse this collection