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. 2015 Jun 1;2015:237140. doi: 10.1155/2015/237140

Table 4.

TSP mass concentrations (8 hr TWA) in personal and area samples from workplace B (2nd day).

Process Sampling site Manufacturing area (1st) Handling area (2nd)
Filter weight (before) Filter weight (after) Flow rate (L/min) Sampling time (min) Mass concentration (mg/m3) TWA (mg/m3) Filter weight (before) Filter weight (after) Flow rate (L/min) Sampling time (min) Mass concentration (mg/m3) TWA (mg/m3)
Arc system Personal-1 0.04514 0.04527 1.994 398 0.16385 0.13586 0.04489 0.04507 2.053 380 0.23073 0.18266

CNT analysis Personal-2 0.0449 0.04506 2.037 312 0.25175 0.16364 0.04500 0.04522 2.038 297 0.36355 0.22495
Personal-3 0.04502 0.04514 2.078 311 0.18573 0.12034 0.04488 0.04515 2.034 261 0.50872 0.27662
Personal-4 0.04492 0.04502 2.050 322 0.15153 0.10165 0.04507 0.04522 2.113 299 0.23742 0.14789

CNT purify Personal-5 0.04494 0.04509 2.024 171 0.43340 0.15440 0.04492 0.04509 2.086 277 0.29428 0.16982

Arc system Area-1 0.04487 0.04503 1.946 181 0.45425 0.17129 0.04486 0.04502 2.016 381 0.20836 0.16538
Area-2 0.04496 0.04509 4.414 169 0.17427 0.06136 0.04498 0.04523 4.462 303 0.18491 0.11673

CVD-1 Area-3 0.04486 0.04499 1.919 181 0.37427 0.14113 0.04516 0.04530 1.973 307 0.23119 0.14787

CVD-2 Area-7 NM 0.04484 0.04504 1.948 307 0.33451 0.21395

CNT analysis Area-4 0.04493 0.04513 1.956 320 0.31961 0.21307 0.04500 0.04504 1.976 306 0.06615 0.04217

CNT purify Area-5 0.04498 0.04516 2.017 319 0.27982 0.18597 0.04495 0.04516 1.961 304 0.35235 0.22316
Area-6 0.04492 0.0451 4.409 292 0.13983 0.08506 0.04492 0.04515 4.566 299 0.16847 0.10494

NM: not measured.