method of administration  category 1  category 2 category 3 category 4 category 5
0        oral : ld50 measured in mg / kg of bodyweight        5.00        50.0        300      2 000      5 000
1     dermal : ld 50 measured in mg / kg of bodyweight       50.00       200.0      1 000      2 000      5 000
2              gas inhalation : lc 50 measured in ppmv      100.00       500.0      2 500     20 000  undefined
3         vapour inhalation : lc 50 measured in mg / l        0.50         2.0         10         20  undefined
4  dust and mist inhalation : lc 50 measured in mg / l        0.05         0.5        1.0        5.0  undefined

Table as JSON:
{"method of administration":{"0":"oral : ld50 measured in mg \/ kg of bodyweight","1":"dermal : ld 50 measured in mg \/ kg of bodyweight","2":"gas inhalation : lc 50 measured in ppmv","3":"vapour inhalation : lc 50 measured in mg \/ l","4":"dust and mist inhalation : lc 50 measured in mg \/ l"},"category 1":{"0":5.0,"1":50.0,"2":100.0,"3":0.5,"4":0.05},"category 2":{"0":50.0,"1":200.0,"2":500.0,"3":2.0,"4":0.5},"category 3":{"0":"300","1":"1 000","2":"2 500","3":"10","4":"1.0"},"category 4":{"0":"2 000","1":"2 000","2":"20 000","3":"20","4":"5.0"},"category 5":{"0":"5 000","1":"5 000","2":"undefined","3":"undefined","4":"undefined"}}