2D model Constituent list updated July 2009
No.	Species	No.	Species	No.	Species
1.	O(³P)	31.	NO_y	61.	Cl₂O₂
2.	O(¹D)	32.	NO_x	62.	OClO
3.	O₂	33.	Cl_y	63.	ClNO₂
4.	O₃	34.	CFCl₃ (CFC-11)	64.	Cl₂
5.	NO	35.	CF₂Cl₂ (CFC-12)	65.	ClOO
6.	NO₂	36.	CCl₄	66.	HNO₃ (solid)
7.	NO₃	37.	CH₃Cl	67.	H₂O (solid)
8.	N₂O	38.	HO₂NO₂	68	HOBr
9.	N	39.	O_x	69.	CH₃CCl₂F (HCFC-141b)
10.	HNO₃	40.	CCH₃CCl₃	70.	CH₃CClF₂ (HCFC-142b)
11.	N₂O	41.	O₂ (¹Δ)	71.	CHCl₂CF₃ (HCFC-123)
12.	H	42.	HONO	72.	C₂Br₂F₄ (Halon-2402)
13.	OH	43.	Br₂	73.	CH_x (CH₃O₂ + CH₂O + CH₃OOH)
14.	HO₂	44.	BrO	74.	HO_x (H + OH + HO₂ + 2H₂O₂)
15.	H₂O	45.	Br	75.	CBr₂F₂ (Halon-1202)
16.	H₂O₂	46.	HBr	76.	CH₂BR₂ (Methylene bromide)
17.	H₂	47.	BrONO₂	77.	CHBR₃ (Bromoform)
18.	CH₄	48.	Br_y	78.	Clock Tracer (Age)
19.	CO	49.	CH₃Br (Methyl bromide)	79.	BrNO₂
20.	CO₂	50.	CBrF₃ (Halon-1301)	80.	Ozone diagnostic (DU/km)
21.	Carbon-14 (ClO_x)	51.	CBrClF₂ (Halon-1211)	81.	Temperature (K)
22.	CH₃O₂	52.	CHClF₂ (HCFC-22)	82.	Zonal wind (m/sec)
23.	CH₂O	53.	C₂Cl₃F₃ (CFC-113)	83.	Solar Heating rate (K/day, coupled model only)
24.	CH₃OOH	54.	C₂Cl₂F₄ (CFC-114)	84.	IR Cooling rate (K/day, coupled model only)
25.	HOCl	55.	C₂ClF₅ (CFC-115)	85.	Q_y (1.e11 1/m-sec)
26.	ClO₃	56.	HF (F_x)	86.	EP-Fl Div - Plan Waves (m/sec/day, + NCEP DELF)
27.	Cl	57.	CF₂O	87.	EP-Fl Div - Grav Waves (m/sec/day, coupled model only)
28.	ClO	58.	PRECIP (BrO_x)	88.	EP-Fl Div - Relax to NCEP U (m/sec/day, coupled model only)
29.	HCl	59.	H₂O* (loss freq from rainout)	89.	EP-Fl Div - Rayl Fric (m/sec/day, coupled model only)
30.	ClONO₂	60.	BrCl	90.	EP-Fl Div - NCEP DELF (m/sec/day, coupled model only)
				91.	Latent Heating rate (K/day, coupled model only)