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	Parameter -	SUSPENDED PARTICULATE				MICROGMS/CU.METRE
		Objectives:  1 yr geo mean - 60        24 hour - 120
	Station No. -	Location -	NIAGARA FALLS				27013	VICTORIA/LEADER			# Times Above Criteria
			Percentiles
	ValidSamples		30%	50%	70%	90%	99%	Max.	Mean	Geom.Mean	24H	1Y
1974	136	47	79	99	133	202	303	504	116	98	50	1
1975	94	44	68	91	110	195	398	853	113	91	26	1
1976	101	37	63	84	114	184	390	391	102	84	27	1
1977	54	48	65	87	101	150	209	228	92	83	12	1
1978	53	39	59	81	98	127	193	227	83	74	7	1
1979	31	39	62	101	123	163	182	185	98	85	11	1
	Station No. -	Location -	NIAGARA FALLS				27050	4057 VICTORIA AV.
1979	16	71	94	112	134	172	277	290	126	117	6	-
1980	50	52	86	100	117	180	232	234	111	101	15	1
1981	50	48	70	81	104	139	267	361	96	86	13	1
1982	16	54	61	68	99	141	192	199	91	83	4	1
1986	52	58	82	93	112	136	198	205	99	94	9	1
1987	56	40	54	83	97	114	221	274	82	73	5	1
1988	55	47	65	76	105	148	185	188	90	80	12	1
1989	56	46	61	75	92	124	161	193	82	76	7	1
1990	51	41	59	79	98	135	155	156	83	74	9	1
1991	55	34	49	64	79	101	148	155	68	61	3	1
1992	58	30	33	41	49	67	137	154	47	43	2	0
1993	59	23	28	35	43	68	99	101	41	37	0	0
	Station No. -	Location -	NIAGARA FALLS				27053	FIRST AV/BRIDGE ST.
1982	33	40	58	64	73	93	196	211	73	67	2
1983	57	39	58	76	91	118	205	222	80	73	5	1
1984	55	38	58	75	104	147	219	248	87	76	14	1
1985	58	36	51	68	82	119	195	236	74	67	5	1
1986	6	46	52	62	70	79	83	83	65	64	0
	SULPHUR DIOXIDE - PPB		PARTS/BILLION		Objectives:  1 yr mean -20 ppb       24 hour - 100ppb  1 hour - 250 ppb
	Station No. -	27013	Location -	VICTORIA/LEADER							# Times Above Criteria
	Hours		Percentiles
		10%	30%	50%	70%	90%	99%	Mean	Max. 1H	Max 24H	1H	24H	1Y
1974	1409	0	0	0	0	10	30	INS	270	23	1	0	0
1975	8282	0	0	0	10	20	40	6.4	300	47	1	0	0
1976	8555	0	10	10	10	20	50	11.1	420	65	1	0	0
1977	8387	0	0	10	10	20	40	8.5	100	49	0	0	0
1978	8539	0	0	10	10	20	40	8.2	90	43	0	0	0
1979	4619	0	0	10	10	20	50	INS	110	51	0	0	0
	PARTICULATES - SOILING INDEX				COHs/1000FT		Objectives:  1 yr mean - .50        24 hour - .10
	Station No. -	Location -	NIAGARA FALLS				27013	VICTORIA/LEADER			# Times Above Criteria
	Hours		Percentiles
		10%	30%	50%	70%	90%	99%	Mean	Max. 1H	Max 24H		24H	1Y
1975	8178	0	0.2	0.3	0.4	0.7	1.2	0.31	3.3	0.9		0	0
1976	8575	0	0.2	0.3	0.4	0.7	1.3	0.34	3.0	1.2		2	0
1977	8015	0	0.2	0.3	0.4	0.7	1.5	0.34	3.1	1.3		3	0
1978	8447	0	0.2	0.3	0.4	0.7	1.3	0.34	3.7	1.2		3	0