3506B24 Final Report

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Table A3d: VOC mixing ratios and other main quantities characterizing the smoldering stage of Fort Gordon’s prescribed burns.

ppmC, ppbC		Fort GORDON Smoldering
ppmC, ppbC				TA	SAIAc	TA49	TA21
Compound	Abbr		AVG	STD	2/3	3/12	4/15
	Lat				33.379	33.287	33.353
	Long				82.168	82.307	82.214
	P				1005	1011	1017
	T				19.4	21.1	25.6
	RH				40	28	55
	WS				1.2	0.0	1.0
Methane	CH4		5.84	9.87	0.22	0.07	17.23
Carbon monoxide	CO		55	90	6	2	159
Carbon dioxide	CO2		233	375	22	11	665
Chloroform	CHCl3		0.00	0.00	0.01	0.00	0.00
Dichloromethane	CH2Cl2		0.01	0.01	0.00	0.00	0.02
Trichloroethylene	C2HCl3		0.00	0.00	0.00	0.00	0.00
Tetrachloroethylene	C2Cl4		0.00	0.00	0.00	0.00	0.00
Methyl chloride	CH3Cl		3.9	6.2	0.5	0.2	11.1
Methyl bromide	CH3Br		0.09	0.13	0.02	0.00	0.24
Methyl nitrate	MNO3		0.01	0.01	0.00	0.00	0.02
Ethylnitrate	ENO3		0.00	0.00	0.00	0.00	0.00
i-Propylnitrate	IPNO3		0.01	0.02	0.00	0.00	0.03
n-Propylnitrate	NPNO3		0.00	0.00	0.00	0.00	0.00
2-Butylnitrate	2BNO3		0.00	0.00	0.00	0.00	0.00
Compound	Abbr	Rank	AVG	STD	2/3	3/12	4/15
Eth(yl)ene	ETHEN	1	1746	2924	76	39	5122
Ethyne	ACTLE	7	414	678	35	11	1197
Propene	PPENE	4	701	1174	30	17	2056
Ethane	ETHAN	3	762	1284	28	14	2245
Benzene	BENZE	5	711	1193	30	15	2088
Toluene	TOLNE	6	688	1171	17	7	2040
Propane	NPPAN	8	224	378	9	3	661
1,3-Butadiene	13BDE	11	169	283	8	4	496
alpha-Pinene	APINE	2	1078	1814	21	40	3172
1-Butene	1BTEN	22	119	197	6	3	347
i-Butene	IBTEN	16	108	181	5	3	317
Isoprene	ISPRE	14	238	403	8	3	704
m+p-Xylene	MPXYL	9	395	670	10	5	1168
beta-Pinene	BPINE	10	119.9	197.9	5.0	6.3	348.4
n-Butane	NBTAN	21	30.0	50.4	1.9	0.0	88.3
trans-2-Butene	T2BTE	17	46.7	78.3	1.9	1.0	137.1
Ethylbenzene	ETHBE	15	116.9	198.8	3.3	0.9	346.4
cis-2-Butene	C2BTE	20	38.8	65.3	1.5	0.7	114.2
o-Xylene	OXYLE	18	59.5	99.8	3.1	0.7	174.8
3-Ethlytoluene	METOL	12	141.9	241.6	2.8	1.9	420.9
n-Pentane	NPETA	27	10.9	18.1	0.9	0.0	31.8
4-Ethyltoluene	PETOL	13	105.1	177.4	2.1	3.1	310.0
i-Butane	IBTAN	23	12.3	20.9	0.6	0.0	36.5
n-Hexane	NHXAN	26	5.7	9.3	0.7	0.0	16.5
n-Heptane	NHTAN	32	4.5	6.8	0.9	0.2	12.3
Halogenated HC	HALOHC	28	4.0	6.3	0.5	0.2	11.3
n-Octane	NOCTA	29	3.2	5.1	0.5	0.1	9.1
i-Pentane	IPETA	30	3.0	5.1	0.1	0.0	8.9
Propylbenzene	NPPBE	19	42.1	71.6	0.9	0.6	124.8
2-Ethyltoluene	OETOL	25	12.18	20.15	0.9	0.2	35.4
Isopropylbenzene	ISPPB	24	19.59	33.04	0.7	0.4	57.7
2-Methylpentane	TMPTA	31	2.46	3.97	0.34	0.00	7.04
3-Methylpentane	RMPTA	34	0.64	0.99	0.14	0.00	1.78
Organic Nitrates	ORGNO3	33	0.02	0.03	0.00	0.00	0.05
	Sum		8133	13660	311	181	23906

Table A4a: Propylene-equivalent VOC mixing ratios characterizing the change in importance of VOC species relative to OH-reactivity yielding O₃ for emissions from the flaming stage at Fort Benning’s prescribed burns (compare to Table A3a).

ppbC {OH}		Fort BENNING Flaming
				TA	Q6	O15	A7	G6	A20
Compound	Abbr	Rank	AVG	STD	3/10	3/25	3/27	4/15	4/29
Eth(yl)ene	ETHEN	1	1589	954	2098	1225	912	703	3006
Ethyne	ACTLE	33	0.04	0.04	0.04	0.03	0.02	0.02	0.11
Propene	PPENE	2	1441	594	2100	1315	1196	642	1952
Ethane	ETHAN	19	13.0	5.3	17.9	14.1	16.5	4.3	12.1
Benzene	BENZE	13	56.7	33.1	77.8	44.1	39.4	19.6	102.5
Toluene	TOLNE	11	143	59	202	134	127	57	196
Propane	NPPAN	18	17.3	7.5	26	18	22	6	14
1,3-Butadiene	13BDE	3	863	365	1275	803	553	480	1205
alpha-Pinene	APINE	5	619	694	76	1793	685	321	221
1-Butene	1BTEN	6	360	155	554	317	302	158	470
i-Butene	IBTEN	7	297	131	493	261	272	131	329
Isoprene	ISPRE	4	753	444	1360	1026	335	699	343
m+p-Xylene	MPXYL	10	161	38	150	203	191	106	157
beta-Pinene	BPINE	8	284	241	97	563	146	84	531
n-Butane	NBTAN	20	8.17	4.34	14	7	11	3	5
trans-2-Butene	T2BTE	9	188	77	285	188	223	75	167
Ethylbenzene	ETHBE	17	21.2	10.4	17	22	20	10	38
cis-2-Butene	C2BTE	12	137	61	205	136	186	56	102
o-Xylene	OXYLE	16	23.7	6.4	24.3	27.1	29.5	12.9	24.9
3-Ethlytoluene	METOL	14	36.2	16.6	21	55	53	23	28
n-Pentane	NPETA	21	5.65	3.14	10.12	5.29	7.28	2.34	3.23
4-Ethyltoluene	PETOL	15	33.2	17.4	21.6	63.5	32.4	24.3	24.5
i-Butane	IBTAN	27	2.51	1.11	3.94	2.29	3.09	0.94	2.28
n-Hexane	NHXAN	25	4.87	2.78	8.24	4.73	7.07	2.02	2.29
n-Heptane	NHTAN	22	5.44	2.97	9.47	5.08	7.27	2.27	3.11
Halogenated HC	HALOHC	32	0.05	0.03	0.05	0.04	0.04	0.02	0.10
n-Octane	NOCTA	23	5.00	2.70	8.26	4.70	7.23	2.20	2.63
i-Pentane	IPETA	29	1.98	2.10	5.50	0.97	2.14	0.10	1.18
Propylbenzene	NPPBE	26	2.92	1.70	1.35	3.84	5.41	2.44	1.57
2-Ethyltoluene	OETOL	24	4.89	2.32	3.17	6.39	8.24	3.17	3.47
Isopropylbenzene	ISPPB	28	2.01	0.77	1.27	2.94	2.01	1.24	2.60
2-Methylpentane	TMPTA	30	1.67	0.73	3	2	2	1	1
3-Methylpentane	RMPTA	31	0.60	0.28	1	1	0	0	0
Organic Nitrates	ORGNO3	34	0.00	0.00	0	0	0	0	0
	Sum		7083	2446	9169	8254	5403	3635	8954

Table A4b: Propylene-equivalent VOC mixing ratios characterizing the change in importance of VOC species relative to OH-reactivity yielding O₃ for emissions from the flaming stage at Fort Gordon’s prescribed burns (compare to Table A3b).

ppbC {OH}		Fort GORDON Flaming
				TA	SAIAc	TA49	TA21	TA21
Compound	Abbr	Rank	AVG	STD	2/3	3/12	4/15	4/29
Eth(yl)ene	ETHEN	1	2093	2307	926	1079	5550	817
Ethyne	ACTLE	33	0.05	0.05	0.04	0.03	0.12	0.02
Propene	PPENE	2	1793	2063	565	980	4877	749
Ethane	ETHAN	19	13.4	16.2	3.7	7.4	37.6	5.0
Benzene	BENZE	13	69.4	73.7	36.7	37.0	179.5	24.2
Toluene	TOLNE	10	173	194	55	105	462	70
Propane	NPPAN	18	18	22	4	11	51	8
1,3-Butadiene	13BDE	3	784	584	162	794	1564	617
alpha-Pinene	APINE	9	196	141	71	98	235	379
1-Butene	1BTEN	5	442	498	130	264	1184	190
i-Butene	IBTEN	6	335	378	78	212	896	155
Isoprene	ISPRE	4	522	530	13	1099	135	842
m+p-Xylene	MPXYL	7	260	299	46	182	701	111
beta-Pinene	BPINE	12	101.7	73.5	104	22	199	83
n-Butane	NBTAN	21	8.7	10.7	1	5	25	4
trans-2-Butene	T2BTE	8	200	232	41	126	544	91
Ethylbenzene	ETHBE	17	29.6	34.3	10	17	81	10
cis-2-Butene	C2BTE	11	154	183	33	91	427	67
o-Xylene	OXYLE	15	38.7	48.9	7.3	21.8	111.5	14.3
3-Ethlytoluene	METOL	14	47.3	63.5	9	15	142	23
n-Pentane	NPETA	25	6.30	7.63	0.93	3.74	17.62	2.93
4-Ethyltoluene	PETOL	16	35.1	39.2	6.4	16.4	92.9	24.5
i-Butane	IBTAN	28	2.78	3.26	0.60	1.70	7.63	1.20
n-Hexane	NHXAN	24	6.56	9.04	0.78	3.16	20.04	2.24
n-Heptane	NHTAN	22	7.62	9.69	0.81	4.47	21.97	3.24
Halogenated HC	HALOHC	32	0.06	0.06	0.01	0.04	0.15	0.02
n-Octane	NOCTA	23	6.98	9.39	0.69	3.73	20.93	2.54
i-Pentane	IPETA	30	0.46	0.39	0.10	0.26	0.98	0.51
Propylbenzene	NPPBE	26	4.34	6.11	0.35	1.10	13.41	2.50
2-Ethyltoluene	OETOL	20	9.10	13.26	1.91	3.12	28.97	2.40
Isopropylbenzene	ISPPB	27	3.20	3.79	0.93	1.76	8.86	1.27
2-Methylpentane	TMPTA	29	1.99	2.39	0	1	6	1
3-Methylpentane	RMPTA	31	0.40	0.65	0	0	1	0
Organic Nitrates	ORGNO3	34	0.01	0.01	0	0	0	0
	Sum		7365	6957	2308	5206	17642	4304

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