Occurrence of Antibiotics and Antibiotic-Resistant Bacteria in Landfill Sites in Kumasi, Ghana

Table 1

HPLC flow programme used for antibiotic residue analysis.

Step	Step type	Step time (min)	Flow (mL/min)	% A	% B
0	Equilibrate	1.0	2	99.0	1.0
1	Run	4.0	2	99.0	1.0
2	Run	3.0	2	85.0	15.0
3	Run	5.0	2	20.0	80.0
4	Run	1.0	2	95.0	5.0
5	Run	2.0	2	99.0	1.0

Solvent A: 0.1% formic acid. Solvent B: methanol.