| CLASS | Year | No. Samples | Violations | Percent Violative | Specifice Residue |
| Antibiotics | 1992 | 24 | 0 | 0 | |
| Benzimidazoles | 1992 | 24 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1992 | 25 | 0 | 0 | |
| Diethylstilbestrol (DES) (combined sheep/lambs) | 1992 | 2 | 0 | 0 | |
| Ivermectin | 1992 | 23 | 0 | 0 | |
| Sulfonamides | 1992 | 24 | 0 | 0 | |
| Zeranol (combined sheep/lambs) | 1992 | 2 | 0 | 0 | |
| Antibiotics | 1993 | 291 | 1 | 0.343642612 | 1 Penicillin, 1 Streptomycin |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1993 | 470 | 1 | 0.212765957 | 1 PCB |
| Ivermectin (combined sheep/lambs) | 1993 | 282 | 1 | 0.354609929 | Ivermectin |
| Levamisole | 1993 | 304 | 2 | 0.657894737 | Levamisole |
| Melengesterol Acetate (MGA) (combined sheep/lambs) | 1993 | 3 | 0 | 0 | |
| Sulfonamides | 1993 | 292 | 0 | 0 | |
| Antibiotics | 1994 | 302 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1994 | 463 | 0 | 0 | |
| Ivermectin | 1994 | 296 | 0 | 0 | |
| Levamisole | 1994 | 294 | 2 | 0.7 | Levamisole |
| Sulfonamides | 1994 | 299 | 0 | 0 | |
| Antibiotics | 1995 | 447 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1995 | 453 | 1 | 0.2 | Chlordane |
| Ivermectin | 1995 | 449 | 3 | 0.7 | Ivermectin |
| Levamisole | 1995 | 430 | 2 | 0.5 | Levamisole |
| Sulfonamides | 1995 | 274 | 0 | 0 | |
| Antibiotics | 1996 | 309 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1996 | 478 | 0 | 0 | |
| Ivermectin (combined sheep/lambs) | 1996 | 330 | 0 | 0 | |
| Levamisole | 1996 | 491 | 0 | 0 | |
| Sulfonamides | 1996 | 303 | 0 | 0 | |
| Antibiotics | 1997 | 301 | 0 | 0 | |
| Arsenic | 1997 | 83 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1997 | 288 | 0 | 0 | |
| Ivermectin | 1997 | 214 | 0 | 0 | |
| Sulfonamides | 1997 | 84 | 0 | 0 | |
| Antibiotics | 1998 | 294 | 0 | 0 | |
| Arsenic | 1998 | 90 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1998 | 310 | 0 | 0 | |
| Ivermectin | 1998 | 198 | 0 | 0 | |
| Sulfonamides | 1998 | 93 | 0 | 0 | |
| Antibiotics | 1999 | 246 | 0 | 0 | |
| Avermectins | 1999 | 83 | 0 | 0 | |
| Chlorinated Hydrocarbons & Organophosphates (CHC/COP's) | 1999 | 263 | 0 | 0 | |
| Sulfonamides | 1999 | 42 | 0 | 0 |