RR-C-90lE
TABLE I. Intended gas service.
Class code |
Item name codel |
Gas product |
Al |
495l6 |
Air, breathing |
Bl |
495l7 |
Air, technical |
Cl |
49448 |
Argon-carbon dioxide |
Dl |
49449 |
Argon-carbon dioxide-oxygen |
El |
4945l |
Argon-methane |
Fl |
49453 |
Argon, technical |
Gl |
49452 |
Argon-oxygen |
Hl |
49454 |
Boron trifluoride, technical |
Jl |
49458 |
Calibrating gas mixture |
Kl |
49459 |
Carbon dioxide-helium-oxygen-nitrogen |
Ll |
49460 |
Carbon dioxide-nitrogen-oxygen |
Ml |
4946l |
Carbon dioxide-oxygen |
Nl |
49462 |
Carbon dioxide, technical |
Pl |
49463 |
Carbon dioxide, USP2 |
Rl |
49464 |
Carbon monoxide, technical |
Sl |
4947l |
Ethane, technical |
Tl |
49473 |
Ethylene oxide-carbon dioxide |
Ul |
49475 |
Ethylene, technical |
Vl |
49478 |
Helium-argon |
Wl |
49479 |
Helium-butane |
Xl |
49480 |
Helium-isobutane |
Yl |
4948l |
Helium-methane |
Zl |
49482 |
Helium-nitrogen |
A2 |
49483 |
Helium-oxygen |
B2 |
49484 |
Helium, technical |
C2 |
49485 |
Helium, USP |
D2 |
49486 |
Hexafluoroethane, technical |
E2 |
49487 |
Hydrogen-argon |
F2 |
49488 |
Hydrogen chloride, anhydrous, technical |
G2 |
49490 |
Hydrogen, technical |
H2 |
49492 |
Methane, technical |
I2 |
49477 |
Natural, dry |
J2 |
49495 |
Neon, technical |
K2 |
49496 |
Nitrogen-carbon dioxide |
L2 |
49497 |
Nitrogen-hydrogen |
M2 |
49498 |
Nitrogen, technical |
N2 |
49499 |
Nitrogen, USP |
O2 |
49500 |
Nitrous oxide, technical |
P2 |
4950l |
Nitrous oxide, USP |
Q2 |
49502 |
Oxygen, aviator's breathing |
R2 |
49504 |
Oxygen-nitrogen |
S2 |
49505 |
Oxygen, technical |
T2 |
49506 |
Oxygen, USP |
U2 |
49509 |
Sulfur hexafluoride, technical |
l The item name codes are found in the Federal Item Identification Guide Tl62.
2 United States Pharmacopoeia (USP).
l4
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