3506B24 Final Report

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Table A4c: Propylene-equivalent VOC mixing ratios characterizing the change in importance of VOC species relative to OH-reactivity yielding O₃ for emissions from the smoldering stages of prescribed burns at Forts Benning and Gordon (compare to Table A3c and d).

ppbC {OH}		Fort BENNING Smoldering								Fort GORDON Smoldering
				TA	Q6	O15	A7	A7	G6			TA	SAIAc	TA49	TA21
Compound	Abbr	Rank	AVG	STD	3/10	3/25	3/27	3/28	4/15	Rank	AVG	STD	2/3	3/12	4/15
Eth(yl)ene	ETHEN	4	234	189	70	336	479	258	24	4	594	995	26	13	1743
Ethyne	ACTLE	33	0.00	0.01	0.00	0.00	0.01	0.00	0.00	32	0.01	0.02	0.00	0.00	0.03
Propene	PPENE	2	325	259	67	601	467	462	30	3	701	1174	30	17	2056
Ethane	ETHAN	20	4.7	4.4	0.5	9.1	4.2	9.3	0.4	20	8.0	13.4	0.3	0.1	23.5
Benzene	BENZE	15	9.7	7.2	3.0	13.0	16.7	14.9	1.1	15	35.4	59.3	1.5	0.8	103.9
Toluene	TOLNE	12	50	51	6	73	43	126	2	8	162	276	4	2	481
Propane	NPPAN	17	7	7	1	13	6	18	0	19	11	18	0	0	31
1,3-Butadiene	13BDE	6	143	117	54	242	288	114	18	5	430	719	21	10	1260
alpha-Pinene	APINE	1	544	661	6	1168	192	1352	5	1	2181	3670	43	80	6419
1-Butene	1BTEN	8	72	56	18	128	112	95	8	10	142	236	7	4	414
i-Butene	IBTEN	9	70	55	13	117	103	109	7	9	153	256	7	4	448
Isoprene	ISPRE	3	315	292	34	701	363	461	17	2	911	1541	29	13	2690
m+p-Xylene	MPXYL	7	84	90	8	204	52	154	3	6	371	630	10	5	1098
beta-Pinene	BPINE	5	172.8	231.4	2	542	60	257	3	7	354.7	585.4	15	19	1031
n-Butane	NBTAN	21	2.4	2.0	0	4	3	4	0	23	3.0	5.0	0	0	9
trans-2-Butene	T2BTE	11	57	51	8	122	61	91	5	12	113	189	5	2	332
Ethylbenzene	ETHBE	18	7.4	7.4	1	11	6	18	0	17	33.7	57.3	1	0	100
cis-2-Butene	C2BTE	13	45	41	6	99	49	69	4	14	94	158	4	2	276
o-Xylene	OXYLE	16	9.0	8.1	1.8	17.6	8.3	16.9	0.5	16	33.7	56.4	1.8	0.4	98.8
3-Ethlytoluene	METOL	14	42.9	53.6	1	97	10	105	0	11	133.3	227.1	3	2	396
n-Pentane	NPETA	23	1.51	1.35	0.17	1.62	2.39	3.21	0.15	24	1.66	2.75	0.14	0.00	4.83
4-Ethyltoluene	PETOL	10	61.6	85.6	0.5	93.2	15.8	198.4	0.3	13	98.7	166.8	2.0	3.0	291.3
i-Butane	IBTAN	28	0.81	0.74	0.06	1.09	1.05	1.79	0.07	27	1.13	1.92	0.05	0.00	3.34
n-Hexane	NHXAN	26	0.90	0.74	0.28	0.91	1.92	1.26	0.12	25	1.19	1.93	0.14	0.00	3.42
n-Heptane	NHTAN	25	1.00	0.93	0.30	0.74	2.42	1.39	0.14	26	1.17	1.79	0.23	0.04	3.23
Halogenated HC	HALOHC	32	0.01	0.01	0.00	0.01	0.02	0.01	0.00	33	0.01	0.02	0.00	0.00	0.03
n-Octane	NOCTA	27	0.85	0.70	0.26	0.90	1.81	1.18	0.09	28	1.01	1.60	0.15	0.03	2.86
i-Pentane	IPETA	30	0.24	0.33	0.07	0.81	0.26	0.02	0.04	30	0.46	0.79	0.02	0.00	1.37
Propylbenzene	NPPBE	19	5.49	6.98	0.11	10.97	1.34	14.95	0.08	18	10.69	18.18	0.23	0.16	31.68
2-Ethyltoluene	OETOL	22	2.09	2.04	0.46	4.53	1.45	3.96	0.07	21	6.89	11.39	0.52	0.11	20.04
Isopropylbenzene	ISPPB	24	1.50	1.64	0.10	3.24	0.83	3.27	0.04	22	4.61	7.78	0.16	0.08	13.60
2-Methylpentane	TMPTA	29	0.35	0.30	0	0	1	0	0	29	0.51	0.83	0	0	1
3-Methylpentane	RMPTA	31	0.09	0.10	0	0	0	0	0	31	0.13	0.21	0	0	0
Organic Nitrates	ORGNO3	34	0.00	0.00	0	0	0	0	0	34	0.00	0.00	0	0	0
	Sum		2274	2051	305	4616	2353	3964	130		6592	11080	211	177	19386

Table A5a: Percent-fraction of total VOC emitted during the flaming stages of prescribed burns at Forts Benning and Gordon.

%		Fort BENNING Flaming							Fort GORDON Flaming
%			TA	Q6	O15	A7	G6	A20		TA	SAIAc	TA49	TA21	TA21
Compound	Abbr	AVG	STD	3/10	3/25	3/27	4/15	4/29	AVG	STD	2/3	3/12	4/15	4/29
Eth(yl)ene	ETHEN	33.9	5.7	35.7	29.7	26.7	36.2	41.1	38.1	2.9	41.5	35.6	39.6	35.9
Ethyne	ACTLE	11.1	4.9	9.4	8.5	6.9	11.3	19.3	13.5	4.9	20.8	11.4	10.9	11.0
Propene	PPENE	11.1	1.2	12.2	10.9	11.9	11.2	9.1	10.7	1.4	8.6	11.0	11.8	11.2
Ethane	ETHAN	9.9	4.0	9.9	11.1	15.7	7.3	5.4	7.3	1.4	5.4	8.0	8.7	7.1
Benzene	BENZE	8.15	1.15	9.06	7.33	7.89	6.89	9.59	8.91	1.68	11.26	8.35	8.76	7.28
Toluene	TOLNE	4.63	0.58	4.96	4.71	5.35	4.25	3.88	4.44	0.65	3.53	5.02	4.76	4.46
Propane	NPPAN	2.96	1.22	3.18	3.14	4.71	2.40	1.39	2.24	0.64	1.28	2.57	2.63	2.46
1,3-Butadiene	13BDE	2.64	0.48	2.91	2.61	2.17	3.31	2.21	2.40	1.36	0.97	3.50	1.49	3.63
alpha-Pinene	APINE	2.84	2.86	0.22	7.32	3.37	2.78	0.51	1.04	1.18	0.54	0.54	0.28	2.80
1-Butene	1BTEN	2.31	0.33	2.69	2.19	2.52	2.32	1.83	2.23	0.38	1.66	2.48	2.41	2.38
i-Butene	IBTEN	1.63	0.37	2.02	1.52	1.92	1.63	1.08	1.42	0.40	0.84	1.68	1.54	1.64
Isoprene	ISPRE	1.75	1.11	2.06	2.22	0.87	3.20	0.42	1.66	1.84	0.05	3.22	0.09	3.29
m+p-Xylene	MPXYL	1.50	0.60	0.92	1.79	2.02	1.97	0.78	1.62	0.61	0.75	2.18	1.81	1.76
beta-Pinene	BPINE	0.72	0.53	0.19	1.57	0.49	0.50	0.84	0.30	0.21	0.54	0.08	0.16	0.42
n-Butane	NBTAN	0.66	0.31	0.82	0.61	1.09	0.55	0.26	0.49	0.19	0.21	0.58	0.60	0.56
trans-2-Butene	T2BTE	0.62	0.22	0.68	0.64	0.92	0.54	0.32	0.49	0.15	0.26	0.58	0.55	0.56
Ethylbenzene	ETHBE	0.57	0.14	0.34	0.62	0.69	0.58	0.61	0.61	0.07	0.54	0.66	0.68	0.54
cis-2-Butene	C2BTE	0.46	0.20	0.49	0.46	0.77	0.40	0.20	0.37	0.11	0.21	0.42	0.43	0.42
o-Xylene	OXYLE	0.35	0.13	0.25	0.40	0.52	0.40	0.20	0.37	0.12	0.20	0.43	0.48	0.38
3-Ethlytoluene	METOL	0.35	0.20	0.13	0.48	0.57	0.43	0.14	0.26	0.12	0.14	0.18	0.37	0.37
n-Pentane	NPETA	0.30	0.14	0.39	0.29	0.48	0.27	0.10	0.23	0.09	0.09	0.28	0.28	0.29
4-Ethyltoluene	PETOL	0.32	0.19	0.13	0.56	0.34	0.45	0.12	0.23	0.12	0.10	0.20	0.24	0.39
i-Butane	IBTAN	0.22	0.08	0.25	0.21	0.34	0.18	0.12	0.18	0.05	0.10	0.21	0.20	0.20
n-Hexane	NHXAN	0.20	0.10	0.23	0.19	0.34	0.17	0.05	0.16	0.07	0.06	0.17	0.24	0.16
n-Heptane	NHTAN	0.17	0.08	0.21	0.16	0.28	0.15	0.06	0.16	0.07	0.05	0.19	0.20	0.18
Halogenated HC	HALOHC	0.14	0.03	0.11	0.13	0.16	0.12	0.17	0.12	0.04	0.06	0.17	0.14	0.13
n-Octane	NOCTA	0.13	0.07	0.15	0.12	0.23	0.12	0.04	0.11	0.06	0.03	0.13	0.16	0.12
i-Pentane	IPETA	0.09	0.08	0.21	0.05	0.14	0.01	0.04	0.02	0.02	0.01	0.02	0.02	0.05
Propylbenzene	NPPBE	0.11	0.08	0.03	0.12	0.21	0.17	0.03	0.09	0.06	0.02	0.05	0.13	0.15
2-Ethyltoluene	OETOL	0.08	0.05	0.03	0.09	0.15	0.10	0.03	0.08	0.03	0.05	0.06	0.12	0.06
Isopropylbenzene	ISPPB	0.07	0.03	0.03	0.10	0.08	0.09	0.05	0.08	0.01	0.06	0.08	0.09	0.08
2-Methylpentane	TMPTA	0.06	0.02	0.08	0.06	0.09	0.06	0.03	0.05	0.02	0.02	0.07	0.06	0.07
3-Methylpentane	RMPTA	0.02	0.01	0.03	0.03	0.02	0.03	0.01	0.01	0.01	0.00	0.01	0.02	0.00
Organic Nitrates	ORGNO3	0.01	0.00	0.01	0.00	0.01	0.00	0.01	0.01	0.01	0.01	0.00	0.02	0.00
	Sum	100	0	100	100	100	100	100	100	0	100	100	100	100

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