Haz mats use of guides

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Across
  1. 3. 4-Methylmorpholine
  2. 4. Poisonous solid, water-reactive,
  3. 6. 1,1-Dichloro-1-nitroethane
  4. 7. Potassium hydrogen sulphate
  5. 8. Acetic acid, solution, more than 80% acid
Down
  1. 1. N,N-Diethylethylenediamine
  2. 2. 2-(2-Aminoethoxy)ethanol
  3. 3. Sulfuric acid, with not more than 51% acid
  4. 5. Refrigerant gas R-161
  5. 6. Isosorbide dinitrate mixture
  6. 8. Sodium pentachlorophenate