Facility Audit: Deer Park, TX - Clean Harbors

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B. Waste Feeds Waste port assignment into incineration hardware is determined prior to waste receipt. This waste port assignment is determined upon careful review of the stream by Waste Acceptance Chemists (WACs). Factors such as physical form, chemical make-up, concentration of compounds/metals, health/safety and permit compliance information enable the WACs to determine the safest and most efficient method of feed entry into the system. C. Gas Quenching System The gas quenching systems of the two Trains are essentially the same. In each Train, the combustion product gases are typically exposed to temperatures of at least 1800 o F for a o minimum of two seconds. Normal operating conditions provide for a final temperature of 2200 F. The off-gases flow into the saturator, which is a refractory lined quench tower with a pressurized water spray, where they are cooled to approximately 180 o F. The gases then pass into twin packed-bed condensers, where they impinge on tellerettes while being scrubbed by a countercurrent water spray. The gases pass into a collision Calvert scrubber, then into a set of demisters, and finally through an induced draft fan and out a common stack. The condensers, the scrubbers and connecting ductwork are constructed of fiberglass. D. Ash Collection Incinerated solids/slag are collected in twenty (20) cubic yard roll-off bins under a discharge unit from the rotary kilns and the rotary reactor. Approximately every hour the ash collected is manually leveled in the bin to ensure even fill. A typical plant output of ash is about 6 to 7 twenty cubic yard bins per day. E. Ash Tracking Prior to Landfill Deposition Each collection bin is numbered and referenced. During the incineration process and the filling of a specific bin, waste stream numbers are tracked via barcode readings and manual entries. The ash generated is tracked. From this process, EPA waste codes can be managed from a point of analytical testing. Organic screening procedures are performed on each bin and metals (TCLP) on each batch of stabilized ash to ensure all applicable land disposal restrictions are met prior to landfill deposition. 16
Tank Storage All waste storage tanks at Deer Park are aboveground except for the following: Tank # T-1202 T-1203 T-1204 T-1001-1 T-1001-2 T-1001-3 T-638 T-20 -1 Description S&E facility - each is a 125 yd 3 steel-lined pit used to receive bulk solids material for processing S&E facility - a 350 yd 3 concrete pit into which stabilized material is discharged from the pugmill. Mix Building - each is a 75 yd 3 steel-lined concrete pit used for material processing (e.g., repacking of bulk solids into drums). A 7,575-gallon steel-lined pit. Located in the Rotary Reactor feed tower and used for receipt of bulk material to be clamshell fed to the Rotary Reactor. Train I Bulk Feed Tank. A 7,198 gallon in-ground tank used to feed solids via clamshell bucket to the 3.6 meter kiln. Each of the above tanks meets all the requirements for leak detection. Tanks T-1001-1, 2, 3 are located in the Mix Building, which incorporates basement access for inspections. Each of the other tanks has a leak detection system as required by 40 CFR 264.193. Deer Park conducts rigorous annual inspections on all tanks to monitor construction integrity. All Deer Park piping that is used for the transport of waste is above ground except for several portions of our on-site landfill leachate piping. Clean Harbors Deer Park transports on-site landfill generated leachate via piping from our landfill area to tankage in our process area. Several sections of this piping are routed underground in order to cross in-plant roadways. Each of these underground sections is encased in a separate pipe to provide secondary containment. Deer Park conducts a rigorous program of fugitive emissions monitoring and repair, consistent with TCEQ 28 MID, which is equivalent with MACT standards (i.e. quarterly monitoring, 500 ppm leak rate, directed maintenance, etc.). 17
Page 1 and 2: Facility Audit: Deer Park, TX 1
Page 3 and 4: 1.0 General Company Information Int
Page 5 and 6: 2.0 Facility Information Facility O
Page 7 and 8: Facility Site Plan 5
Page 9 and 10: Security Access into the facility i
Page 11 and 12: 3.0 Operating Licenses and Permits
Page 13 and 14: Groundwater Inspector TSCA Authoriz
Page 15 and 16: A. Process Flow Diagrams 13
Page 23 and 24: TABLE II SECONDARY CONTAINMENT DATA
Page 25: outine inspections as well as emerg
Page 28 and 29: B. Direct Burn Areas Clean Harbors
Page 31 and 32: Landfill The Deer Park landfills ar
Page 33 and 34: B. Non-Recirculated Process Water A
Page 35 and 36: Analytical Laboratory The Laborator
Page 37 and 38: E. Laboratory Audits The Deer Park
Page 39 and 40: Figure 2. STRATIAGRAPHY AND UNIT DE
Page 41 and 42: Through implementation of the Inter
Page 43: For more detail concerning Clean Ha

Facility Audit: Deer Park, TX - Clean Harbors

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