diesel fuel spill /pump six, staff told reply was "we knowwe have put sand on it" three handfulls

basically they could not give a toss

diesel is now on my brake and throttle pedals and drivers carpet and the car stinks

it has tracked from the pump to the shop entrance (ramped)and is very slippery and is continueing to spread

what does it take to resolve the problem

a bucket of hot soapy water and some effort, probably to much to ask