(A) Hauler picks up caustic & sludge (Score 75)
(B) Remove sludge & add more caustic (Score 50)
(C) Drain to yard, refill with caustic (Score 0)
(D) Have oil skimmer & filter system (Score 100)

Hot Jet Parts Washer

A) Pump or drain to sewer (Score 25)
(B) Have machine pumped by hauler (Score 50)
(C) Drain to back yard (Score 0)
(D) Have oil skimmer & filter system (Score 100)

Blasting Equipment: bead or sand 

(A) Have media hauled away (Score 100)
(B) Throw in trash (Score 50)
(C) Fill low spots in yard (Score 0)

Grinding & Machining Coolants

(A) Have spent coolants hauled away (Score 75)
(B) Dump to sewer (Score 25)
(C) Pour in yard (Score 0)
(D) Have oil skimmers & filter system (Score 100)

Mop Water

A) Pour in sink (Score 50)
(B) Pour through clarifier/sewer (Score 100)
(C) Throw in yard (Score 0)