Fig. 9

Mean and 75% confidence bound of plastic litter spectra in the foamy (solid line) and clear water (dashed line) for (a) PP and (b) EPSF. Blue arrows indicate notable absorption lines attributed to the presence of water foams.

Mean and 75% confidence bound of plastic litter spectra in the foamy (solid line) and clear water (dashed line) for (a) PP and (b) EPSF. Blue arrows indicate notable absorption lines attributed to the presence of water foams.