| SHELTER_TEMPERATURE : A/C and Heat logger control installed. |
03-NOV-15 |
| OZONE : Air compressor with silica gel and charcoal canisters installed for ozone zero air |
01-SEP-15 |
| NOYDIF : Dryer installed in NO/NOy bypass box. |
15-MAY-15 |
| OZONE : Knock-out bottle removed. |
16-MAY-14 |
| OZONE : Foam insulation added to sample line. |
16-MAY-14 |
| OZONE : New certification range for site transfer standard |
16-MAY-14 |
| OZONE : ZSP order changed to SPZ |
24-SEP-13 |
| TEMP2 : Sensor unwired. |
11-NOV-11 |
| RELATIVE_HUMIDITY : Sensor unwired. |
11-NOV-11 |
| OZONE : Site analyzer with replacement pressure transducer installed. |
11-NOV-11 |
| OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. |
02-MAY-11 |
| OZONE : Ozone sample line filter removed from inside the shelter. |
02-MAY-11 |
| OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. |
02-MAY-11 |
| DATALOGGER : CR3000 datalogger installed. Wiring standardized. |
15-OCT-08 |
