Table 2. Chemical Features Detected in the Plastic Extracts and Migrates, and Tentatively Identified Compounds.
| number
of features |
tentatively
identified chemicals |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| total | extract only | low migration | readily leachable | migrate only | sum in migrate (%)bc | massbank | CPPdb | ECHAdb | NORMAN | combined (%)c | |
| HDPE 1 | 1401 | 520 | 665 | 136 | 80 | 216 (15.4) | 12 | 70 | 99 | 186 | 189 (13.5) |
| LDPE 1a | 670 | 162 | 265 | 138 | 105 | 243 (36.39) | 18 | 47 | 71 | 110 | 114 (17.0) |
| LDPE 2a | 5923 | 2011 | 3370 | 515 | 27 | 542 (9.2) | 41 | 276 | 402 | 695 | 715 (12.1) |
| LDPE 3a | 7731 | 1679 | 2749 | 3244 | 59 | 3303 (42.7) | 28 | 202 | 278 | 503 | 508 (6.6) |
| LDPE 4 | 6890 | 689 | 1455 | 4226 | 520 | 4746 (68.9) | 55 | 374 | 463 | 912 | 930 (13.5) |
| PS 1a | 1509 | 153 | 252 | 493 | 611 | 1104 (73.2) | 5 | 45 | 49 | 148 | 152 (10.1) |
| PS 2a | 4740 | 900 | 1203 | 2285 | 352 | 2637 (55.6) | 81 | 150 | 211 | 467 | 485 (10.2) |
| PS 3a | 278 | 75 | 150 | 44 | 9 | 53 (19.1) | 0 | 4 | 8 | 16 | 16 (5.8) |
| PS 4 | 523 | 206 | 300 | 14 | 3 | 17 (3.3) | 5 | 17 | 26 | 48 | 48 (9.2) |
| PP 1a | 7036 | 1056 | 2586 | 2882 | 512 | 3394 (48.2) | 58 | 238 | 321 | 701 | 716 (10.2) |
| PP 2a | 13 844 | 3048 | 6307 | 4040 | 449 | 4489 (32.4) | 99 | 404 | 549 | 1010 | 1025 (7.4) |
| PET 1a | 1664 | 771 | 838 | 48 | 7 | 55 (3.3) | 38 | 112 | 150 | 260 | 269 (16.2) |
| PVC 1a | 11 791 | 2261 | 5086 | 4396 | 48 | 4444 (37.7) | 89 | 441 | 588 | 1198 | 1213 (10.3) |
| PVC 2 | 4983 | 866 | 1854 | 2169 | 94 | 2263 (45.4) | 51 | 182 | 277 | 540 | 557 (11.2) |
| PVC 3 | 4952 | 1514 | 2574 | 750 | 114 | 864 (17.4) | 47 | 192 | 251 | 481 | 495 (10.0) |
| PVC 4 | 11 252 | 2530 | 5274 | 3198 | 250 | 3448 (30.6) | 110 | 423 | 556 | 1171 | 1206 (10.7) |
| PUR 1 | 10 809 | 1159 | 2434 | 6795 | 421 | 7216 (66.8) | 29 | 203 | 259 | 559 | 573 (5.3) |
| PUR 2 | 8627 | 493 | 535 | 7280 | 319 | 7599 (88.1) | 11 | 69 | 90 | 195 | 199 (2.3) |
| PUR 3 | 15 815 | 3032 | 4102 | 8522 | 159 | 8681 (54.9) | 80 | 279 | 375 | 942 | 965 (6.1) |
| PUR 4 | 3376 | 1014 | 1423 | 642 | 297 | 939 (27.8) | 24 | 131 | 188 | 347 | 351 (10.4) |
| PLA 1a | 4891 | 2429 | 2409 | 53 | 0 | 53 (1.1) | 15 | 78 | 92 | 315 | 329 (6.7) |
| PLA 2a | 5147 | 2654 | 2415 | 59 | 19 | 78 (1.5) | 18 | 76 | 102 | 276 | 290 (5.6) |
| PLA 3 | 12 122 | 1894 | 2424 | 7212 | 592 | 7804 (64.4) | 53 | 284 | 365 | 795 | 826 (6.8) |
| PLA 4a | 6039 | 2959 | 2905 | 139 | 36 | 175 (2.9) | 23 | 108 | 151 | 366 | 379 (6.3) |
a
Food contact materials.
b
Sum of readily leachable and migrate only.
c
% of total.