The table below summarises the inventory $($in tonnes$)$ of hazardous substances stored on a bulk pharmaceutical production establishment. Use the data to determine whether the establishment should be classified as Lower Tier or Upper Tier. Show all calculations.

Threshold $($in tonnes$)$

Named Substance Health Hazards Physical Hazards Environmental Hazards

Substance Tonnes stored Named Lower Upper Lower Upper Lower Upper Lower Upper

Methanol $380$ Yes $5005,0005005,0005005,000$

Acetylene $8$ Yes $550550550$

LPG $10$ Yes $5020050200$

Waste Streams $250$ No $200500$

Table $1$ Hazardous substances inventory and Lower$/$Upper tier tonnage thresholds

$(3$ marks$)$