Those plants got higher safety design & managed by bigger companies because O&G got higher standard. Equipment are all well maintained & personel are better trained & better paid, coz O&G got big budget and reputation to keep.

But those small chemical plants, storage facilities dunno how their standard & personel training. Don't think it's that high, but problem is usually these plants are near resident areas.

The truth is O & G in Malaysia really have the high standard on HSE.
Even minor accident or near misses need to be reported, especially Shell & Exxon