OZONE : Ozone dryer installed |
21-SEP-17 |
SHELTER_TEMPERATURE : A/C and Heat logger control installed. |
08-SEP-15 |
OZONE : New certification range for site transfer standard |
17-SEP-14 |
OZONE : ZSP order changed to SPZ. |
30-MAR-14 |
OZONE : Knock-out bottle removed. |
30-MAR-14 |
OZONE : Foam insulation added to sample line. |
30-MAR-14 |
OZONE : 10 ft. exhaust tubing added to both analyzers. |
01-MAR-12 |
OZONE : Site analyzer with replacement pressure transducer installed. |
06-JAN-12 |
OZONE : 40CFR Part 58 ozone site upgrade completed using Level 2 site transfer standard. |
27-MAR-11 |
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. |
27-MAR-11 |
OZONE : Ozone sample line filter removed from inside the shelter. |
27-MAR-11 |
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. |
20-SEP-10 |
DATALOGGER : CR3000 datalogger installed. Wiring standardized. |
15-MAR-09 |