Table 1.
Elements and score of each of the six investigated environments obtained from the graphite control sample. The name “aggregate” has been used to identify an irregularly shaped collection of elements, while the term “chips” has been used to define thin curled strip objects
| SITE | morphological elements | tot | chemical elements | tot |
|---|---|---|---|---|
| Florist | synthetic fibers, pollen, spores, diatoms, aggregate of particles, undetermined chips, algae, other botanical elements | 34 | Fe, Si, S, Al, Ca, Mg, Na, Au, K, Cu, Cr | 39 |
| Bakery | round particles single or aggregates (white particles), organic material | 8 | Na, Cl | 6 |
| Carpentry | wood chips, aggregates and single plant conduction tissues, soil, aggregate of particles | 14 | Ca, Si, Al, Na, Cl | 13 |
| Turning factory | metal chips, single and aggregate of particles | 6 | Fe, Cr, Au | 12 |
| Trunk | synthetic fibers, aggregate of particles, organic material, synthetic material | 13 | Cl, Ca, K, Si, Al | 14 |
| Construction site | single and aggregate of grey particles, organic material, soil | 12 | Ca, Si, Mg, S | 12 |