HUB CITY IS PRIMARILY A MANUFACTURER OF CAST IRON MOUNTED BEARING PRODUCTS SUCH AS PILLOW BLOCKS, FLANGE BLOCKS, FLANGE CARTRIDGES, AND TAKE-UP UNITS. THIS COMPLIANCE ORDER IS ISSUED AS A RESULT OF OBSERVATIONS OF WASTEWATERS GENERATED AT THE FACILITY BEING DISCHARGED INTO THE POTW, AND THE FAILURE OF HUB CITY TO SUBMIT ANY COMPLETE REPORTS AND DOCUMENTS REQUIRED BY THE GENERAL PRETREATMENT REGULATIONS.