| OZONE : Ozone dryer installed |
17-JUL-17 |
| SHELTER_TEMPERATURE : A/C and Heat logger control installed. |
05-JAN-16 |
| OZONE : Exhaust tubing run in insulation with sample tubing |
16-JUL-14 |
| OZONE : Knockout bottle reinstalled in ozone sample line. |
08-JUL-14 |
| OZONE : New certification range for site transfer standard |
24-JAN-14 |
| OZONE : ZSP order changed to SPZ. |
24-JAN-14 |
| OZONE : Knock-out bottle removed. |
24-JAN-14 |
| OZONE : Foam insulation added to sample line. |
24-JAN-14 |
| TEMPERATURE : 9m temperature measurement with passive aspiration installed. |
05-JAN-12 |
| OZONE : 10 ft. exhaust tubing added to both analyzers. |
05-JAN-12 |
| RELATIVE_HUMIDITY : Sensor unwired. |
05-JAN-12 |
| TEMP2 : Sensor unwired. |
05-JAN-12 |
| OZONE : Replacement pressure transducer installed in site analyzer. |
05-JAN-12 |
| SOLAR_RADIATION : Sensor unwired. |
02-SEP-11 |
| WETNESS : Sensor unwired. |
02-SEP-11 |
| RELATIVE_HUMIDITY : Sensor unwired. |
02-SEP-11 |
| OZONE : Ozone sample line filter removed from inside the shelter. |
08-MAR-11 |
| OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. |
24-FEB-11 |
| OZONE : 40CFR Part 58 ozone site upgrade completed using Level 2 site transfer standard. |
24-FEB-11 |
| OZONE : Pressure transducer replaced in the site analyzer. |
24-FEB-11 |
| OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. |
23-JUL-10 |
| DATALOGGER : CR3000 datalogger installed. Wiring standardized. |
23-JUL-08 |
