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Measurement Units and Conversion Factors

ppm - Parts per million (1 in 1,000,000)

ppb - Parts per billion (1 in 1,000,000,000)

mg/m^{3 - Milligrammes per cubic metre (1 thousandth of a gramme per cubic metre of air)}

^{ug/m3 - Microgrammes per cubic metre (1 millionth of a gramme per cubic metre of air)}

^{The conversion factor for CO is 1.165 at 20oC- ppm - mg/m3}

^{The conversion factor for NO2 is 1.913 at 20oC - ppb - ug/m3}

^{The conversion factor for O}3 ^{is 2.000 at 20OC - ppb - ug/m3}

^{The conversion factor for SO}₂ is 2.704 at 20^OC - ppb - ug/m3

ALPHABETICAL LIST OF CONVERSION FACTORS.

A to C

D to G

H to M

N to R

S to Y

Specialty Conversions

(To lighten up the subject a bit)

• 10^12 Microphones = 1 Megaphone
• 10^6 bicycles = 2 megacycles
• 500 millinaries = 1 seminary
• 2X10^3 mockingbirds = two kilomockingbirds
• 10 cards = 1 decacards
• 0.5 lavatory = 1 demijohn
• 10^-6 fish = 1 microfiche
• 453.6 graham crackers = 1 pound cake
• 10^12 pins = 1 terrapin
• 10^21 picolos = 1 gigolo
• 10 rations = 1 decoration
• 100 rations = 1 C-ration
• 10 millipedes = 1 centipede
• 3.33 tridents = 1 decadent
• 5 holocausts = 1 Pentacost
• 10 monologues = 5 dialogues = 1 decalogue
• 2 monograms = 1 diagram
• 8 nickles = 2 paradigms
• 2 snake eyes = 1 paradise
• 2 wharves = 1 paradox

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