Acme Corp. uses Methyl Ethel Ketone (MEK has a flashpoint of 20 degrees F) as part of a spray-painting operation. Acme cannot substitute a less flammable solvent. When conducting air monitoring at the spray-painting booth, results suggest that exposures occasionally exceed the PEL for employee exposure. Which of the following is likely the best approach to control this hazard? Group of answer choices Ensure all electrical circuits meet Class 1 wiring requirements. Redesign the spray booth to be more efficient. None of the given answer choices is correct. Change out the booth filters more frequently. Sub-contract this operation to another company. Issue employees in that operation appropriate respirators