accident_chemical_id,facility_accident_chemical_id,facility_accident_id,quantity_released_lbs,percent_weight,chemical_id 1996,100000201364_1_1,100000201364_1,7800.0,,3 1997,100000201364_1_2,100000201364_1,,,4 1998,100000201364_1_3,100000201364_1,,,13