eCFR.io
Daily eCFR

Table 2 to Subpart D of Part 65—TRE Parameters for NSPS Referencing Subparts<span class="standard"> <sup>a</sup></span>

TRE Parameters for NSPS Referencing Subparts<span class="standard"> <sup>a</sup></span>

CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

Table 2 to Subpart D of Part 65—TRE Parameters for NSPS Referencing Subpartsa

Halogenated vent stream?Net heating value

(MJ/scm)b
Vent stream flow rate (scm/min)cValues of terms for TRE equation: TRE = A * [ B + C + D + E + F ]Equation number
ABCDEF
Yes0≤H ≤3.5Q <14.21/ETOC30.9633400−0.13064QH01
14.2≤Q ≤18.81/ETOC19.183700.27580Q0.757620Q0.88−0.13064QH0.01025Q0.52
18.8<Q ≤6991/ETOC20.005630.27580Q0.303870Q0.88−0.13064QH0.01025Q0.53
699<Q ≤14001/ETOC39.870220.29973Q0.303870Q0.88−0.13064QH0.01449Q0.54
1400<Q ≤21001/ETOC59.734810.31467Q0.303870Q0.88−0.13064QH0.01775Q0.55
2100<Q ≤28001/ETOC79.599410.32572Q0.303870Q0.88−0.13064QH0.02049Q0.56
2800<Q ≤35001/ETOC99.464000.33456Q0.303870Q0.88−0.13064QH0.02291Q0.57
H >3.5Q <14.21/ETOC20.6105200008
14.2≤Q ≤18.81/ETOC18.844660.26742Q−0.200440Q0.8800.01025Q0.59
18.8<Q ≤6991/ETOC19.666580.26742Q−0.253320Q0.8800.01025Q0.510
699<Q ≤14001/ETOC39.192130.29062Q−0.253320Q0.8800.01449Q0.511
1400<Q ≤21001/ETOC58.717680.30511Q−0.253320Q0.8800.01775Q0.512
2100<Q ≤28001/ETOC78.243230.31582Q−0.253320Q0.8800.02049Q0.513
2800<Q ≤35001/ETOC97.768790.32439Q−0.253320Q0.8800.02291Q0.514
No0≤H ≤0.48Q <14.21/ETOC11.0125000−0.17109QH015
14.2≤Q ≤13401/ETOC8.542450.10555Q0.090300Q0.88−0.17109QH0.01025Q0.516
1340<Q ≤26901/ETOC16.943860.11470Q0.090300Q0.88−0.17109QH0.01449Q0.517
2690<Q ≤40401/ETOC25.345280.12042Q0.090300Q0.88−0.17109QH0.01775Q0.518
0.48<H ≤1.9Q <14.21/ETOC13.4563000−0.16181QH019
14.2≤Q ≤13401/ETOC9.252330.06105Q0.319370Q0.88−0.16181QH10.01025Q0.520
1340<Q ≤26901/ETOC18.363630.06635Q0.319370Q0.88−0.16181QH0.01449Q0.521
2690<Q ≤40401/ETOC27.474920.06965Q0.319370Q0.88−0.16181QH0.01775Q0.522
1.9<H ≤3.6Q <14.21/ETOC7.96988000023
14.2≤Q ≤11801/ETOC6.678680.06943Q0.025820Q0.8800.01025Q0.524
1180<Q ≤23701/ETOC13.216330.07546Q0.025820Q0.8800.01449Q0.525
2370<Q ≤35501/ETOC19.753980.07922Q0.025820Q0.8800.01775Q0.526
H >3.6Q <14.21/ETOC6.6786800.02220Q0.88 H0.88−0.00707QH0.02036H0.527
Q ≥14.2 and

14.2≤Q*(H/3.6) ≤1180
1/ETOC6.6786800.02220Q0.88 H0.88−0.00707QH0.00540Q0.5 H0.528
Q ≥14.2 and

1180<Q*(H/3.6) ≤2370
1/ETOC13.2163300.02412Q0.88 H0.88−0.00707QH0.00764Q0.5 H0.529
Q ≥14.2 and

2370<Q*(H/3.6) ≤3550
1/ETOC19.7539800.02533Q0.88 H0.88−0.00707QH0.00936Q0.5 H0.530
No0≤H <11.2All1/ETOC2.082.25Q0.288Q0.8−0.193QH−0.0051ETOC31
H ≥11.2All1/ETOC2.080.309Q0.0619Q0.8−0.0043QH−0.0043ETOC32
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.