UNIT	1991	1992	1993	1994	1995	1996	1997	1998	1999
Federal Aviation Administration	1	1	1	30	35	28	13	22	37
Federal Railroad Administration	241	228	313	413	882	916	1,074	1,525	1,663
Office of Hazardous Materials	257	148	39	117	263	265	207	324	408
Federal Motor Carrier Safety Admin	92	83	115	219	208	182	188	349	457
Office of Pipeline Safety	93	133	144	271	184	1,152	882	981	1,035
NHTSA	0	0	0	0	12	29	7	9	12
Office of Intelligence and Security	0	0	0	0	0	0	0	24	127
Federal Transit Administration	0	0	0	0	0	0	0	0	0
DOT Intermodal Hazmat Program	0	0	0	0	0	0	0	0	0
DOT Crisis Management Center	0	0	0	0	0	0	0	0	0
TOTAL DOT NOTIFICATIONS	684	593	612	1,050	1,584	2,572	2,371	3,234	3,379