4 NO = N + O ; {nitric oxide}
5 NO2 = N + 2O ; {nitrogen dioxide}
6 NO3 = N + 3O ; {nitrogen trioxide}
7 N2O5 = 2N + 5O ; {dinitrogen pentoxide}
8 HONO = H + 2O + N ; {nitrous acid}
9 HNO3 = H + N + 3O ; { nitric acid }
10 PNA = H + 4 O + N ; {HO2NO2 peroxynitric acid}
11 O1D = O ; {oxygen atomic first singlet state}
12 O = O ; {oxygen atomic ground state (3P)}
13 OH = O + H ; {hydroxyl radical}
15 HO2 = H + 2O ; {perhydroxyl radical}
16 H2O2 = 2H + 2O ; {hydrogen peroxide}
17 HCHO = C + 2H + O ; {formalydehyde}
18 ALD2 = IGNORE ; {high molecular weight aldehides}
19 C2O3 = 2C + 3H + 3O ; {CH3CO(O)OO peroxyacyl radical}
20 PAN = 2C + 3H + 5O + N ; {CH3C(O)OONO2, peroxyacyl nitrate}
21 PAR = IGNORE ; {parafin carbon bond}
22 ROR = IGNORE ; {secondary organic oxy radical}
23 OLE = IGNORE ; {olefinic carbon bond}
24 ETH = 2C + 4H ; {CH2=CH2 ethene}
25 TOL = 7C + 8H ; {C6H5-CH3 toluene}
26 CRES = IGNORE ; {cresol and h.m.w. phenols}
27 TO2 = IGNORE ; {toluene-hydroxyl radical adduct}
28 CRO = IGNORE ; {methylphenoxy radical}
29 OPEN = IGNORE ; {h.m.w. aromatic oxidation ring fragment}
30 XYL = 8C + 10H ; {C6H4-(CH3)2 xylene}
31 MGLY = 3C + 4H + 2O ; {CH3C(O)C(O)H methylglyoxal}
32 ISOP = IGNORE ; {isoprene}
33 XO2 = IGNORE ; {NO-to-NO2 operation}
34 XO2N = IGNORE ; {NO-to-nitrate operation}
35 CO = C + O ; {carbon monoxide}
42 CH3OOH = 4H + C + 2O ;
74 CO32MINUSaq = IGNORE ;
79 H2O = H + 2O ; {water}
81 H2Oaq = H + 2O ; {water}
82 H2 = 2H ; {molecular hydrogen}
83 O2 = 2O ; {molecular oxygen}
84 N2 = 2N ; {molecular nitrogen}
85 CH4 = C + 4H ; {methane}
86 CO2 = C + 2O ; {carbon dioxide}
87 M = IGNORE ; {third body}