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  11
May
2018
Technical Bulletins
HMG 115 – Materials Poison by Inhalation
Author
          Office of Safety

Subject
                    Hazardous Materials

**Keywords:** Materials Poison by Inhalation, PIH Calculations
**Abstract:** Materials Poison by Inhalation
Bulletin Number
              HMG-115

  Discipline
              Hazardous Materials
    5
Apr
2018
Technical Bulletins
HMG 118 - Spray on Thermal Protection for Tank Cars
Author
          Office of Safety

Subject
                    Hazardous Materials

**Keywords:** Spray on Thermal Protection
**Abstract:** Inspections of Spray on Thermal Protection
Bulletin Number
              HMG-118

  Discipline
              Hazardous Materials
    30
Mar
2018
Technical Bulletins
HMG 104 – Tank Car, Covered Hopper Car, Pressure Differential Car
Author
          Office of Safety

Subject
                    Hazardous Materials

**Keywords:** tank car, covered hopper car, pressure differential car, AAR Class 207 cars
**Abstract:** Clarifies issues regarding AAR Class 207 cars
Bulletin Number
              HMG-104

  Discipline
              Hazardous Materials
    1
Mar
2018
Technical Bulletins
HMG 116– Tank Car Overdue for Test
Author
          Office of Safety

Subject
                    Hazardous Materials

**Keywords:** Tank car test dates
**Abstract:** Considerations of a loaded DOT tank car overdue for test
Bulletin Number
              HMG-116

  Discipline
              Hazardous Materials
    1
Feb
2018
Technical Bulletins
HMG 111 – Shipments of Hazardous Substances
Author
          Office of Safety

Subject
                    Hazardous Materials

**Keywords:** The return of residue package containing a Hazardous Substance
**Abstract:** Hazardous Substances in residue packages
Bulletin Number
              HMG- 111

  Discipline
              Hazardous Materials

  Pagination
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