Table 3.
Percentages of TS in total particulate mass in aerosols and dusts (TS%), tentatively calculated by assuming that n-alkanes account for 2.58% of total tobacco smoke matter. PM, suspended particulate matter (PM10 or PM2.5); DD, deposited dust; IN, indoor; OU, outdoor; SM, smoking area; NSM, no smoking area; SS, spring-summer; AW, autumn-winter;HO, hospital premise; *samplings during COVID-19 pandemic lockdown; σ, average TSI standard deviation in the sample set)
| Series No. | Type | NoS | TS% | STS% | σ | Remarks |
|---|---|---|---|---|---|---|
| A | SPM | 28 | 0.88 | 0.31 | 0.61 | OU, su., PM10 |
| A | PM | 27 | 0.62 | 0.11 | 0.26 | OU, wi., PM10 |
| B | PM | 53 | 0.36 | 0.19 | 0.30 | OU, sp.*, PM10 |
| C | PM | 19 | 22.1 | 2.0 | 9.7 | IN, SM, sp., PM2.5 |
| C | PM | 8 | 3.50 | 0.37 | 1.69 | OU, SM, sp., PM2.5 |
| C | PM | 14 | 60.8 | 5.8 | 14.2 | IN, SM, wi., PM2.5 |
| D | PM | 14 | 1.22 | 0.24 | 0.53 | IN, SC, PM2.5 |
| D | PM | 7 | 0.58 | 0.14 | 0.10 | OU, SC, PM2.5 |
| E | PM | 9 | 1.61 | 0.47 | 0.39 | IN, HO, PM2.5 |
| E | PM | 4 | 0.60 | 0.19 | 0.09 | OU, HO, PM2.5 |
| F | PM | 8 | 0.44 | 0.11 | 0.14 | OU, OS, PM10 |
| G | PM | 4 | 0.99 | 0.39 | 0.48 | IN, FA, PM10 |
| H | DD | 4 | 10.2 | 1.6 | 3.0 | IN, SH, sp. |
| H | DD | 12 | 5.5 | 1.5 | 3.4 | IN, SH, wi. |
| I | DD | 57 | 0.26 | 0.13 | 0.44 | IN |
| I | DD | 22 | 0.29 | 0.11 | 0.49 | OU |
| J | DD | 5 | 0.08 | 0.05 | 0.04 | IN, HO |
| K | DD | 7 | 0.10 | 0.05 | 0.15 | IN, SC |
Rem.: For site identification, see Table 1