The Chief Counsel assessed a civil penalty in the amount of $1,200 for one violation of the HMR. Respondent knowingly violated the HMR by failing to review and/or adequately prepare shipping papers before accepting and offering the shipment for carriage by vessel. Accepting and offering in commerce for transportation by vessel, a mixed load of hazardous materials without maintaining the required general segregation of incompatible hazardous materials, in violation of 49 C.F.R. § 171.2(a), 176.83(b)-(c).