Instrument Mentors
Description
The Cheeka Peak/Makah site is located on the Olympic Peninsula of Washington State, roughly 20 km from both Neah Bay and Cape Flattery, with Port Angeles being the closest city, 150 km east. The site is rural/remote, approximately 400 m above sea level 10 km from the Pacific Ocean, designating it as a clean marine background. However, the site can experience wildfire smoke events from wildfires in the pacific northwest of the U.S. and Canada, long-range transport of mineral dust, pollution, and biomass burning from Asia and Siberia, as well as maritime shipping emissions from the Strait of Juan de Fuca. The site is located on Makah Tribe land, and in addition to ASCENT, collects data for the Interagency Monitoring of Protected Visual Environments (IMPROVE) network and National Core Network (NCore). A Makah Tribe air quality specialist and Olympic Region Clean Air Agency personnel help operate the ASCENT site.
Complementary Instrumentation
| Parameter | Instrument | Sampling Frequency | Network* |
| O3 | TAPI 400 | Continuous | S/C |
| SO2 | TAPI 100EU | Continuous | S/C |
| Trace NOy-NO | TAPI 200EU | Continuous | S/C |
| CO | TAPI 300EU | Continuous | S/C |
| PM2.5 | Radiance Research M903 Nephelometer | Continuous | S/C |
| Filter PM2.5 (teflon): mass, elements, absorption | IMPROVE Sampler - Module A | 1-in-3 | I |
| Filter PM2.5 (nylon): sulfate, nitrate, ions | IMPROVE Sampler - Module B | 1-in-3 | I |
| Filter PM2.5 (quartz): organic and elemental carbon | IMPROVE Sampler - Module C | 1-in-3 | I |
| Filter PM10 (teflon): mass | IMPROVE Sampler - Module D | 1-in-3 | I |
| Temperature/Relative Humidty | RM Young 41382VF | Continuous | S/C |
| Wind Direction/Speed | RM Young Sonic Anemometer 85004 | Continuous | S/C |
*Monitoring Types: S=SLAMS; C=NCore; I=IMPROVE
