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Waste Management Procedures

Acetylene Before you begin

Description Acetylene cylinders

Category Unused acetylene is not a waste.  Any quantity of acetylene remaining in the cylinder can be used and should be returned to the vendor as unused product.

Should acetylene be declared a waste, it will be a State and Federally regulated hazardous waste: D001 Ignitable Hazardous Waste.

Analysis  No laboratory analysis required  Identification by ingredients on label and MSDS

Accumulation  Use cylinder until empty  If cylinder is unusable [damaged], empty or punctured and has the valve removed: It may be placed in scrap metal bin.

Waste  Use all of contents Red  Return empty cylinder or any unused portion of a cylinder to vendor uctio n

Disposal  Return to vendor for refill.  If cylinder is empty or punctured and has the valve removed: It may be placed in scrap metal bin.

Recordkeeping If non-hazardous (Cylinder punctured or valve removed):  List on General Cargo Manifest as scrap metal If returning cylinder to vendor for refill:  Complete entry as “acetylene” in Hazardous Materials Section of the Fieldwood Energy Shipping Manifest, prior to transportation.  Maintain a copy of the manifest offshore and at shore base facilities while shipping papers are active. Send original manifest with shipment.  Since acetylene is not a waste, there is no need to file.

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Shipping Instructions: ACETYLENE 1. a. Call or FAX Dock/Base to schedule shipment. b. Contact owner/vendor to schedule pick up of material.

2. Package Acetylene as follows: a. Ship acetylene cylinders secured in a standing position only (Bottle Rack preferred). b. Secure cylinder valve cap c. Ship acetylene only in the original Specification 8 or 8AL Cylinder. d. Acetylene cylinders and oxygen cylinders must be separated by a steel plate barrier. 3. Mark Package: a. “Acetylene, dissolved, 2.1, UN 1001” b. Stencil Container -“Fieldwood Energy” and the generator’s location (i.e. Eugene Island 158) 4. Label Package: a. "Flammable Gas" label near the marking in 3.a. (above). 5. Prepare shipping papers: a. Complete entry in Hazardous Materials Section [Section I] of the Fieldwood Energy Shipping Manifest (See example at the end of this section).

6. Placard Vehicle/Vessel: a. For cargoes of more than 1000 pounds: "Flammable Gas" Placard with UN number 1001 and the number "2" in the lower corner. b. For cargoes of 1000 pounds or less: No Placard required on transport vehicle. c. See placard at the end of this section 7. Load cargo in accordance with the following shipping limitations:

AIR RESTRICTIONS (49 CFR 172.101)

Passenger Aircraft Forbidden

Cargo Aircraft 33 pounds(15 kg)

WATER RESTRICTIONS (49 CFR 172.101)

Cargo and up to 25 passengers Must be stowed on the weather deck only

Passengers Prohibited when vessels under 246 feet length overall exceed 25 passengers on board

Other Requirements Shade from radiant heat. Stow clear of living quarters. Stow separated from chlorine and oxygen.

8. Include MSDS with shipment.

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