Related by context. Frequent words. (Click for all words.) 40 picocuries per 35 carbon monoxide 34 diastolic pressure 33 mL min 33 Linn 32 sirens sounded 32 mW 32 becquerels 32 decibels 32 mm Hg 32 amperage 32 #mW [002] 31 microsieverts 31 #dBm [002] 31 sirens 31 psig 31 nanograms per 30 mg l 30 watts 30 mmHg 30 kilovolts 30 feet 30 dB 30 fine particle pollution 30 Carbon monoxide 29 #dB [001] 29 dBA 29 Strovink 29 #mW [001] 29 trillion electron volts 28 #dB [002] 28 Gen. Sarhat Qadir 28 millisieverts 28 mg dL 28 º F 28 mA 28 ppb 28 ng mL 28 ear canal 28 Willamette River 28 County sheriff deputies 28 hertz 28 #kHz [001] 28 deg C 27 psi 27 systolic pressure 27 hissing sound 27 loud bang 27 systolic 27 ozone concentrations 27 Rescue crews 27 kW 27 mg dl 27 dBm 27 ° F 27 micrograms 26 millirems 26 loud noise 26 volts 26 #degC [001] 26 temperature 26 milligrams 26 wattage 26 siren 26 decibel level 25 rpms 25 loud explosions 25 milliliters 25 watt 25 sheriff deputy 25 degrees Celcius 25 degrees Fahrenheit 25 kilowatts 24 mm rainfall 24 mph winds 24 ng ml 24 mSv 24 audible alarm 24 milliwatts 24 decibel levels 24 nanograms 24 cranked 24 degrees Celsius 24 nitrogen dioxide 24 degrees Centigrade 24 systolic blood pressure 24 eardrum 23 Hz 23 inches 23 microgrammes 23 harmonics 23 ft 23 wooded area 23 mile radius 23 decibel 23 ft. 23 loud thud 23 chest tightness 23 microgram 23 screeching tires 23 octaves