Table 1.

List and origin of the coded 39 isolated isolates.

Origin of sample	Crude oil-coated MSM plates	Diesel-coated MSM plates
Autoworkshop 1 (lubricants leak)	HDB11, HDB19	HDB7
Autoworkshop 2 (diesel leaking site)		HDB1, HDB10
Autoworkshop 3 (oil waste tanks)	HDB3, HDB8, HDB9, HDB12, HDB15, HDB18, HDB36, HDB37	HDB6
Autoworkshop 4 (repairing area)	HDB2, HDB4, HDB5, HDB13, HDB14, HDB16, HDB17, HDB20
Oil waste management site 1		HDB26, HDB27, HDB28, HDB32, HDB34
Oil waste management site 2	HDB22, HDB25	HDB31, HDB33
Oil waste management site 3	HDB21, HDB23, HDB24	HDB29, HDB30, HDB35, HDB38, HDB39