Table 6.

Samples, their content and comparison between their calculated, detected by LC-MS/MS and adjusted concentrations.

Sample #	Sample Type	Calculated CTC Conc. (ppm)	CTC Detected Conc. with LC-MS/MS (ppm)	Calculated Tylosin Conc. (ppm)	Tylosin Detected Conc. with LC-MS/MS (ppm)	CTC Recovery and Purity Adj. (ppm)	Tylosin Recovery and Purity Adj. (ppm)	Enrofloxacin Conc. (ppb)
1	Digestate with CTC low conc.	61	0	0	0	−1	0	226
2	Digestate with CTC Medium conc.	65	0	0	0	−2	0	523
3	Digestate with CTC High conc.	69	0	0	0	−1	0	1377
4	Digestate with Mixture VA low conc.	61	0	20	1	0	−6	1069
5	Digestate with Mixture VA Med conc.	65	0	40	1	−2	−5	940
6	Digestate with Mixture VA High conc.	69	0	61	1	−2	−4	568
7	Digestate with Mixture VA low conc.	50	0	31	1	−1	−5	1434
8	Digestate with Mixture VA Med conc.	53	0	61	1	−1	−4	600
9	Digestate with Mixture VA High conc.	56	0	92	2	−2	−2	834
10	Digestate with tylosin low conc.	0	0	31	1	−2	−5	881
11	Digestate with tylosin Medium conc.	0	0	61	1	−2	−4	1186
12	Digestate with tylosin High conc.	0	0	92	2	−2	−3	891
13	VA in water, Heat treated	69	0	0	1	−1	−1	236
14	VA in water, Heat treated	56	0	92	106	−1	64	3197
15	VA in water, Heat treated	0	0	92	116	−1	70	1668
16	VA in water, Room Temp.	69	0	0	2	−1	−1	1775
17	VA in water, Room Temp.	56	0	92	95	−1	57	2809
18	VA in water, Room Temp.	0	0	92	93	−1	55	2957
19	Diluted Manure without VA	0	0	0	1	−2	−4	839
20	Diluted Manure without VA	0	0	0	1	−2	−4	777
21	Diluted Manure without VA	0	0	0	1	−2	−5	613
22	Diluted Manure with CTC + tylosin	234	15	78	40	131	74	675
23	Diluted Manure with CTC + tylosin	234	36	78	40	319	75	874
24	Diluted Manure with CTC + tylosin	234	29	78	44	251	83	552