Atmosphere Chemistry and Climate Change Network (AC3) Station: Carnsore Point (CRP) Coordinates: 52� 10' N, 6� 21' W Measurement Height: 6m Site Type: rural background Instrumentation:TEOM (Tapered Element Ocscillating Microbalance) Data range: PM10 Units: microgrammes/m3 Time: UTC 5 minute and 30 minute average Background information: The TEOM has been operational for over 10 years. There were a number of instrumental issues in 2019. These were rectified as soon as was adminstratively possible. Instrument serial number : TBC Calibration info: Calibrated Annually Data level. Data has QA'd and all spurious/zero/negative values have been removed.