|
Standard PFT curve
|
Samples
|
|||||||
|---|---|---|---|---|---|---|---|---|
|
Dilution
(vol:vol) |
PFT
(g) |
Peak area (counts)
|
Log
(PFT) |
Log (area counts)
|
Location
|
Peak area (counts)
|
Log
(PFT) |
Log (area counts)
|
| 1 x 10–2 | 8.80 x 10–7 | 5.29 x 107 | –2 | 7.72 | Core 1 | 30,900 | –8 | 4.49 |
| 1 x 10–3 | 8.80 x 10–8 | 5.33 x 106 | –3 | 6.73 | Core 2 | 3,960 | –9.5 | 3.60 |
| 1 x 10–7 | 8.80 x 10–12 | 2.87 x 104 | –7 | 4.46 | Interior | 105 | –14 | 2.02 |
| 1 x 10–9 | 8.80 x 10–14 | 5.32 x 104 | –9 | 4.73 | Blank | 1,933 | –10 | 3.29 |
Notes: GC = gas chromatography. PFT = perfluorocarbon tracer. Sample from Section 209-1270D-4R-1 (Piece 14) run on 3 June 2003.