ʻO ka ʻokoʻa ma waena o ka pae pahū-hōʻoia AT6 a me BT4

ʻOi aku ka haʻahaʻa o ka helu pahū no Zone A ma mua o kēlā no Zone B; akā naʻe, ka papa wela T6 ma mua o T4. No laila, ʻAʻole kūpono ke ʻōlelo ʻana he kiʻekiʻe ka pae pahū ʻana o kekahi ma mua o kekahi.

Papa A me Papa	Ka wela wela a me ka hui
-	T1	T2	T3	T4	T5	T6
-	T＞450	450≥T＞300	300≥T＞200	200≥T＞135	135≥T＞100	100≥T＞85
I	Methane
IIA	ʻo ʻEtana, Propane, Acetone, Penethyl, Ene, Aminobenzene, Toluene, Benzene, Amonia, Kalapona Monoxide, Ethyl Acetate, Acetic Acid	Butane, Ethanol, Propylene, Butanol, Acetic Acid, Butyl Ester, ʻO Amyl Acetate Acetic Anhydride	Pentane, Hexane, Heptana, Decane, Octane, ʻaila hinu, Hydrogen Sulfide, Cyclohexane, ʻaila hinu, ʻAla ʻaila, Diesel, ʻAla ʻaila	Etera, Acetaldehyde, Trimethylamine		Ethyl Nitrite
IIB	Propylene, Acetylene, Cyclopropane, Kinea umu Coke	Epoxy Z-Alkane, Epoxy Propane, Butadiene, Ethylene	ʻO Dimethyl Etera, ʻO Isoprene, Hydrogen Sulfide	ʻO Diethylether, Dibutyl Etera
IIC	Kaha wai, Hūhāhā	Acetylene			Kalapona Disulfide	Ethyl Nitrate

ʻOi aku ka pololei o ka haʻi ʻana ua hana ʻia kēlā me kēia i kūpono i nā kaiapuni hiki ke ahi a pahū.