Second-highest eight-hour average carbon monoxide (CO) concentration in ppm for sites in Rhode Island. The eight-hour CO standard is 9 ppm.
| MAX 1-HR | MAX 8-HR | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Site ID | P O C | M T | City | County | Address | YR | REP ORG | # OBS | 1ST | 2ND | OBS > 35 | 1ST | 2ND | OBS > 9 | METH |
| 44-007-0012 | 2 | 1 | Providence | Providence | Rockefeller LIbrary, Prospect Street | 97 | 001 | 7922 | 7.3 | 6.1 | 0 | 3.8 | 3.3 | 0 | 54 |
| 44-007-1009 | 1 | 1 | Providence | Providence | 76 Dorrance Street | 97 | 001 | 8299 | 9.9 | 9.7 | 0 | 6.4 | 5.6 | 0 | 66 |
| 44-007-1010 | 1 | 3 | East Providence | Providence | Francis School, 64 Bourne Ave. | 97 | 001 | 4773 | 6.7 | 5.1 | 0 | 3.5 | 3 | 0 | 54 |