Submitter's reason for change: Per request from EPA, the following information was requested:Per 40 CFR 720.45(g), provide: Worker exposure information, including worker activities, physical form of the new substance to which workers may be exposed, the number of workers, and the duration of activities. Submitter must provide input for Part II, Section A, Item 2 of EPA Form 7710-25.Per 40 CFR 720.45(g), provide: Information on release of the new substance to the environment, including the quantity and media of release and type of control technology used. Submitter must provide input for Part II, Section A, Item 3 of EPA Form 7710-25.Per 40 CFR 720.45(h), provide: Identification of controls which limit worker exposure and environmental release. Provide input for Part II, Section B, Item 2 of EPA Form 7710-25.NOTE:Identify situation in which releases and exposure can occur for the sites controlled by submitter including estimated number of the workers exposed and duration of exposure. If not available please state so with explanationPlease provide detail on the engineering control employed on the sites controlled by others. If not available please state so with explanationTo the best of our ability, we have worked to address the above information. Please note, we are providing an additional processing mass balance for one of our sites. Initial commercialization didn't occur as fast as originally anticipated in our original PMN for this substance, such that manufacturing of the crude occurs in our secondary site, but processing activity remains at our pilot scale facility.