Skip to main content
. 2008 Apr 7;52(4):259–266. doi: 10.1093/annhyg/men013

Table 1.

Summary of all measurements from each vessel and headspace of linseed oil


Vessel #1 Hold
Vessel #2 Hold
Vessel #3 Hold
Vessel #3 Stair
Vessel #4 Staira
Vessel #5 Hold 2
Vessel #5 Stair 2
Vessel #5 Hold 4
Vessel # 5 Stair 4
Vessel #5 Hold 6
Vessel #5 Stair 6
Linseed Oil Headspace
November 2006 January 2007 February 2007 February 2007 March 2007 October 2007 October 2007 October 2007 October 2007 October 2007 October 2007
CO 5850 6980 14 650 10 960 11 510 11 950 7710 7240 1460 8860 5300 1090
CO2 9340 3240 7070 5450 5160 21 570 12 360 17 430 2960 18 820 8690 570
Methane 614 216 632 468 204 956 589 388 79.9 454 246 40
Ethylene 12.2 5.3 9.7 7.4 3.3 21.2 12.3 11.2 2.0 11.5 5.9 2.0
Propylene 12.8 7.6 12.3 9.3 8.0 36 21.4 28.3 5.3 32.6 15.9 <0.5
Methanol 2.2 0.2 0.5 0.4 0.7 4.5 1.4 16.9 2.1 16.6 3.2 1.1
Propanal (aldehydes) 14 6.9 4.8 6.0 2.7 19 8.8 29 2.3 35 7.8 120
Ethane 18 32 <5.0 <5.0 15 23 13 25 9.2 32 15 380
Butane equivalentsb 237 275 842 626 591 512 321 265 63 393 219 83
Oxygen % 6%
5%c 0.8% 8.4% 7.6% 16.9% 5.7% 10.9% 7.0%

All components except oxygen were measured with FTIR spectroscopy. All values in ppm except oxygen which is in %.

a

The results from Vessel #4 are means from measurements at four different levels of the stairway.

b

Sum concentration of alkanes (CnH2n+2) with three or more carbons expressed as ppmv butane equivalents.

c

Parallel reading from head space in cargo hold.