Within the Mojave Desert AQMD tert-butyl acetate (tBA) is not considered a VOC when determining VOC content of a product and compliance with emission limitations, but tBA is a VOC for all other purposes. Therefore, within the Mojave Desert AQMD:
- When determining VOC content of products - tBA is not a VOC;
- When determining compliance with emission limitations - tBA is not a VOC;
- For recordkeeping - tBA is a VOC;
- For emission inventory purposes - tBA is a VOC;
- For dispersion modeling - tBA is a VOC;
- Under the definition of Federal Hazardous Air Pollutant (HAP) - tBA is not a HAP;
- Under the definition of California Toxic Air Contaminant (TAC) - tBA is a not a TAC, and for all purposes under the California Air Toxic “Hot Spots” Program” under AB2588 - tBA is subject to AB2588 as an Appendix A-I substance that must be quantified. The degree of accuracy is 200 pounds per year and the reporting level is 100 pounds per year.