. 2018 Jul 17;30(1):161–173. doi: 10.1007/s13361-018-2009-8

Table 1.

The 25th, 50th (Median), and 75th Percentile of TAAs and the Individual Amino Acids Determined in the SFU Samples Collected at the Zeppelin Observatory in 2015

	TAAs	Amino acids (pmol/m³)
Size range	pmol/m³	Ala	Arg	Asp	Cys^d	Glu	Gly	His	Ile	Leu	Lys	Met	Phe	Pro	Ser	Thr	Val
Fine mode^a
25th percentile	35.6	4.6	0.0	^bn.d	^bn.d	2.4	1.6	^bn.d	2.4	4.3	1.3	0.1	2.1	0.9	^bn.d	2.1	3.6
50th percentile	105	11.2	2.0	^bn.d	^bn.d	7.3	4.5	^bn.d	5.9	12.2	5.3	1.1	7.7	2.9	^bn.d	4.6	9.6
75th percentile	298	33.4	6.4	^bn.d	^bn.d	19.7	64.2	^bn.d	10.5	31.2	14.1	3.0	13.7	14.7	^bn.d	15.8	22.9
Max	2914	402	216	0.001	19	172	650	^bn.d	178	392	163	20	134	275	205	263	264
Min	5.6	0.73	^bn.d	9.8	^bn.d	^bn.d	^bn.d	^bn.d	^bn.d	0.37	^bn.d	^bn.d	^bn.d	^bn.d	^bn.d	0.24	0.17
Coarse mode^a
25th percentile	26.6	3.6	0.1	^bn.d	^bn.d	2.0	0.6	^bn.d	1.5	4.4	1.7	0.1	2.1	0.6	^bn.d	1.4	2.8
50th percentile	46.9	7.1	1.7	^bn.d	^bn.d	4.5	4.2	^bn.d	3.0	6.6	3.6	0.5	3.6	1.6	^bn.d	2.7	5.3
75th percentile	219.3	16.6	6.5	0.1	^bn.d	9.1	58.3	^bn.d	6.6	16.7	7.6	2.2	8.1	7.9	^bn.d	6.1	9.6
Max	1417	120	82	28	6.5	135	321	^bn.d	98	228	102	22	87	65	53	80	106
Min	0.018	0.0001	0.008	0.001	^bn.d	^bn.d	0.001	^bn.d	^bn.d	^bn.d	0.0003	0.0001	0.0001	0.001	0.0001	0.0003	^bn.d
FF^c
25th percentile	0.27	0.35	0.14	^bn.d	^bn.d	0.30	0.24	^bn.d	0.27	0.29	0.25	0.08	0.24	0.43	^bn.d	0.47	0.32
50th percentile	0.64	0.59	0.50	^bn.d	^bn.d	0.59	0.66	^bn.d	0.65	0.65	0.48	0.50	0.59	0.61	^bn.d	0.62	0.60
75th percentile	0.80	0.79	0.78	^bn.d	^bn.d	0.86	0.90	^bn.d	0.86	0.83	0.81	0.97	0.79	0.87	^bn.d	0.82	0.80

^aParticles in the fine mode size range (< 2 μm EAD) and coarse mode size range (2 < EAD < 10 μm)

^bn.d = the value is below method LOD

^cFine molar fraction (FF) in percentage is calculated by median of ((Dp < 2 μm) / (Dp < 2 μm) + (2 < Dp < 10 μm)) * 100

^dCys was measured as cysteine