Assessing Outdoor Air Near Schools
Revised Data for Tarrant Elementary School
EPA has replaced some data that previously were incorrectly reported. The changes are below. All values are shown in micrograms per cubic meter.
| Sample Date | Pollutant | Original Value |
Revised Value |
| Aug. 05, 2009 | 1,4-Dichlorobenzene | 0.229 | 0.223 |
| Aug. 11, 2009 | 1,4-Dichlorobenzene | 0.259 | 0.229 |
| Aug. 11, 2009 | Carbon disulfide | 0.393 | 0.380 |
| Aug. 11, 2009 | Chloromethane | 1.469 | 1.388 |
| Aug. 17, 2009 | Acetonitrile | 0.366 | 0.349 |
| Aug. 17, 2009 | Carbon disulfide | 0.159 | 0.150 |
| Aug. 17, 2009 | Carbon tetrachloride | 0.755 | 0.730 |
| Aug. 17, 2009 | Chloromethane | 1.401 | 1.291 |
| Aug. 23, 2009 | Acetonitrile | 0.393 | 0.380 |
| Aug. 23, 2009 | Carbon disulfide | 0.193 | 0.187 |
| Aug. 23, 2009 | Carbon tetrachloride | 1.114 | 0.686 |
| Aug. 23, 2009 | Chloromethane | 1.407 | 1.271 |
| Aug. 23, 2009 | Methyl chloroform | 0.093 | 0.066 |
| Aug. 23, 2009 | Methyl isobutyl ketone | 2.332 | 2.238 |
| Sep. 04, 2009 | 1,4-Dichlorobenzene | 0.253 | 0.193 |
| Sep. 04, 2009 | Acetonitrile | 0.299 | 0.284 |
| Sep. 04, 2009 | Carbon tetrachloride | 0.680 | 0.567 |
| Sep. 04, 2009 | Chloromethane | 1.194 | 1.105 |
| Sep. 04, 2009 | Methyl chloroform | 0.071 | 0.066 |
| Sep. 04, 2009 | Methyl isobutyl ketone | 1.390 | 1.197 |
| Sep. 04, 2009 | o-Xylene | 0.491 | 0.456 |
| Sep. 04, 2009 | Tetrachloroethylene | 0.468 | 0.461 |
| Sep. 10, 2009 | Acetonitrile | 0.642 | 0.549 |
| Sep. 10, 2009 | Carbon tetrachloride | 1.372 | 0.969 |
| Sep. 10, 2009 | Methyl chloroform | 0.109 | 0.087 |
| Sep. 16, 2009 | Acetonitrile | 0.336 | 0.324 |
| Sep. 16, 2009 | Carbon disulfide | 0.174 | 0.171 |
| Sep. 16, 2009 | Carbon tetrachloride | 1.253 | 0.743 |
| Sep. 16, 2009 | Chloromethane | 1.897 | 1.591 |
| Sep. 16, 2009 | Methyl chloroform | 0.120 | 0.082 |
| Sep. 16, 2009 | Methyl isobutyl ketone | 1.033 | 0.853 |
| Sep. 22, 2009 | Carbon tetrachloride | 1.234 | 0.806 |
| Sep. 22, 2009 | Chloromethane | 1.719 | 1.560 |
| Sep. 22, 2009 | Methyl chloroform | 0.109 | 0.082 |
| Sep. 22, 2009 | Methyl isobutyl ketone | 0.500 | 0.439 |
| Sep. 28, 2009 | Carbon disulfide | 0.131 | 0.128 |
| Sep. 28, 2009 | Carbon tetrachloride | 1.303 | 1.089 |
| Sep. 28, 2009 | Chloromethane | 1.723 | 1.614 |
| Sep. 28, 2009 | Styrene | 0.119 | 0.132 |
| Oct. 04, 2009 | 1,4-Dichlorobenzene | 0.644 | 0.632 |
| Oct. 04, 2009 | Carbon tetrachloride | 0.869 | 0.793 |
| Oct. 04, 2009 | Chloromethane | 1.308 | 1.198 |
| Oct. 04, 2009 | Methyl isobutyl ketone | 0.180 | 0.168 |
| Oct. 10, 2009 | Acetonitrile | 0.161 | 0.156 |
| Oct. 16, 2009 | 1,3-Butadiene | 0.046 | 0.040 |
| Oct. 16, 2009 | Acetonitrile | 0.252 | 0.192 |
| Oct. 16, 2009 | Acrylonitrile | 0.052 | 0.046 |
| Oct. 16, 2009 | Bromomethane | 0.062 | 0.047 |
| Oct. 16, 2009 | Carbon disulfide | 0.072 | 0.065 |
| Oct. 16, 2009 | Carbon tetrachloride | 0.976 | 0.711 |
| Oct. 16, 2009 | Chloroethane | 0.032 | 0.029 |
| Oct. 16, 2009 | Chloroform | 0.117 | 0.103 |
| Oct. 16, 2009 | Chloromethane | 1.440 | 0.762 |
| Oct. 16, 2009 | Dichloromethane | 0.302 | 0.295 |
| Oct. 16, 2009 | Methyl chloroform | 0.098 | 0.082 |
| Oct. 16, 2009 | Methyl isobutyl ketone | 0.287 | 0.217 |
| Oct. 16, 2009 | o-Xylene | 0.182 | 0.178 |
| Oct. 16, 2009 | Tetrachloroethylene | 0.149 | 0.136 |
| Oct. 28, 2009 | Carbon disulfide | 0.075 | 0.065 |
| Oct. 28, 2009 | Dichloromethane | 0.407 | 0.400 |
| Oct. 28, 2009 | Methyl isobutyl ketone | 0.271 | 0.242 |
| Nov. 01, 2009 | Acetonitrile | 0.138 | 0.114 |
| Nov. 01, 2009 | Bromomethane | 0.043 | 0.035 |
| Nov. 01, 2009 | Carbon disulfide | 0.184 | 0.162 |
| Nov. 01, 2009 | Carbon tetrachloride | 0.888 | 0.655 |
| Nov. 01, 2009 | Chloroform | 0.171 | 0.142 |
| Nov. 01, 2009 | Chloromethane | 1.415 | 1.141 |
| Nov. 01, 2009 | Dichloromethane | 0.504 | 0.459 |
| Nov. 01, 2009 | Ethylene dichloride | 0.081 | 0.073 |
| Nov. 01, 2009 | Methyl chloroform | 0.076 | 0.066 |
| Nov. 01, 2009 | Tetrachloroethylene | 0.149 | 0.122 |
| Nov. 01, 2009 | Trichloroethylene | 0.032 | 0.027 |
| Nov. 03, 2009 | Benzene | 2.973 | 2.906 |
| Nov. 03, 2009 | Toluene | 3.371 | 3.160 |
| Nov. 03, 2009 | Vinyl chloride | 0.023 | 0.020 |
| Nov. 09, 2009 | Acetonitrile | 0.249 | 0.222 |
| Nov. 09, 2009 | Carbon tetrachloride | 1.095 | 1.045 |
| Nov. 09, 2009 | Chloroform | 0.107 | 0.103 |
| Nov. 09, 2009 | Chloromethane | 1.727 | 1.560 |
| Nov. 09, 2009 | Tetrachloroethylene | 0.183 | 0.176 |
| Nov. 12, 2009 | Ethylbenzene | 0.487 | 0.478 |
| Nov. 12, 2009 | Toluene | 2.843 | 2.700 |