Text For Citation: 01 Item/Group: 006 Hazard:

29 CFR 1910.307(c)(2)(i): Equipment in hazardous (classified) location(s) was not approved for the ignitable or combustible properties of the specific gas, vapor, dust, or fiber that was or could be present: a) On or about May 4, 2023, within the H-Space building number 3 in the Synthesis 1 Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while synthesizing a flammable chemical. b) On or about May 4, 2023, within the H-Space building number 3 in the Synthesis 2 Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while synthesizing a flammable chemical. c) On or about May 4, 2023, within the H-Space building number 3 in the Mixing 1 Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while mixing/transfilling a flammable chemical. d) On or about May 4, 2023, within the H-Space building number 3 in the Mixing 2 Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while mixing/transfilling a flammable chemical. e) On or about May 4, 2023, within the H-Space building number 3 in the Mixing 3 Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while mixing/transfilling a flammable chemical. f) On or about May 4, 2023, within the H-Space building number 3 in the Purification Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while purifying/distilling a flammable chemical. g) On or about May 4, 2023, within the H-Space building number 3 in the Cryotrap Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while cryotrapping a flammable chemical. h) On or about May 4, 2023, within the H-Space building number 3 in the Quality Control Hood/Manifold, the employer exposed employees to fire and explosion hazards in that the employer required employees to use improperly rated equipment such as, but not limited to vacuum pumps within a Class I Division II Group B manifold/hood while checking quality of the products of a flammable chemical.