for ppm = a*EMF^b:

Gas    | a       | b
CH4    | 326.7924| -0.0017
C2H5OH_1| 327.3446| -0.0024
C2H5OH_2| 350.0226| -0.0129
C2H5OH_3| 333.2081| -0.0056
CO_1   | 332.606 | -0.0061
CO_2   | 383.6791| -0.0284
CO_3   | 827.293 | -0.1396
CO_4   | 468.501 | -0.0618
CO_5   | 483.2887| -0.0654
CO2    | 499.0689| -0.0722

for ppm = 10^[(log10(EMF)-b)/m]:

Gas    | m       | b
CH4    | -0.0017 | 2.5143 
C2H5OH_1| -0.0024 | 2.515  
C2H5OH_2| -0.0129 | 2.5441 
C2H5OH_3| -0.0056 | 2.5227 
CO_1   | -0.0061 | 2.5219 
CO_2   | -0.0284 | 2.584  
CO_3   | -0.1396 | 2.9177 
CO_4   | -0.0618 | 2.6707 
CO_5   | -0.0654 | 2.6842 
CO2    | -0.0722 | 2.6982 

CH4
(100, 324.2145)
(600, 323.217)

[(100, 324.2145), (600, 323.217)]

C2H5OH
(100, 323.616)
(200, 323.217)
(600, 322.2195)
(800, 321.0224)
(1000, 320.6234)

[(100, 323.616), (200, 323.217), (600, 322.2195), (800, 321.0224), (1000, 320.6234)]

C2H5OH_1: [(100, 323.616), (200, 323.217), (600, 322.2195)]
C2H5OH_2: [(600, 322.2195), (800, 321.0224)]
C2H5OH_3: [(800, 321.0224), (1000, 320.6234)]

CO
(100, 323.616)
(200, 321.8204)
(400, 320.8229)
(600, 320.0249)
(800, 317.2319)
(1000, 315.4364)
(1500, 298.0798)
(2000, 293.0923)
(2500, 288.7032)
(3000, 285.9102)
(4000, 280.5237)
(6000, 274.1397)
(8000, 268.5536)
(10000, 264.1646)

[(100, 323.616), (200, 321.8204), (400, 320.8229), (600, 320.0249), (800, 317.2319), (1000, 315.4364), (1500, 298.0798), (2000, 293.0923), (2500, 288.7032), (3000, 285.9102), (4000, 280.5237), (6000, 274.1397), (8000, 268.5536), (10000, 264.1646)]

CO_1: [(100, 323.616), (200, 321.8204), (400, 320.8229), (600, 320.0249)]
CO_2: [(600, 320.0249), (800, 317.2319), (1000, 315.4364)]
CO_3: [(1000, 315.4364), (1500, 298.0798)]
CO_4: [(1500, 298.0798), (2000, 293.0923), (2500, 288.7032), (3000, 285.9102), (4000, 280.5237)]
CO_5: [(4000, 280.5237), (6000, 274.1397), (8000, 268.5536), (10000, 264.1646)]

CO2
(400, 324.2145)
(600, 314.0399)
(800, 307.6559)
(1000, 303.6658)

[(400, 324.2145), (600, 314.0399), (800, 307.6559), (1000, 303.6658)]
