Table 3: The prediction result of the discernment model for all materials (Figure 1) analyzed using the low-resolution mid-infrared reflection spectrometer.

Sample Actual Predicted
New module tarp Contaminant Contaminant
Yellow bale bag Contaminant Contaminant
Color shopping bag Contaminant Contaminant
JD module outer Contaminant Contaminant
JD module inner Contaminant Contaminant
JD module middle Contaminant Contaminant
White bale bag Contaminant Contaminant
White shopping bag Contaminant Contaminant
Bale twine Contaminant Contaminant
Old module tarp Contaminant Contaminant
Hard green Contaminant Contaminant
Black plastic Contaminant Contaminant
Oil Contaminant Contaminant
Grease Contaminant Contaminant
Upland cotton stem Contaminant Cotton
Pima cotton stem Cotton Cotton
Upland cotton Cotton Cotton
Upland cotton Cotton Cotton