How long must a technician evacuating refrigerant from appliances with a full charge of more than 5 pounds and less than 50 pounds?

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industrial boilers and furnaces, as $ 266.41(b)(2) are exempt from

and second refrigerants are different defined in 40 CFR 261.10 and 266.41(b). notification requirements of Section (e.g., HCFC-22 and CFC-12), this Under the new 40 CFR 279.63(b)

3010 of RCRA. Off-specification used oil mixture will become unusable, and will (current 40 CFR 266.40)c)), used oil to fuel may

be burned for energy recovery,

have to be disposed of. be burned for energy recovery that

in used oil-fired space heaters provided EPA requests comment on whether or contains more than 1,000 ppm of total that: the boater burns only used oil that not it should require technicians to halogens is presumed to be hazardous the owner or operator generates or used remove residual refrigerant from waste because it has been mixed with oil received from do-it-yourself oil recycling and recovery machines when halogenated hazardous waste listed in changers who generate used oil as these machines are switched between 40 CFR part 261, subpart D (e.g., F001, household waste; the boater is designed refrigerants. Methods that may be used which includes chlorinated

to have a maximum capacity of not to remove residual refrigerant include fluorocarbons used as solvents). Used more than 0.5 million Btu per hour; and evacuation using a second rocovery oil that contains greater than 1,000 ppm the combustion gases from the heater device, beating the condenser of the total halogens for which the

are vented to the ambient air. For recovery or recycling machine using a presumption cannot be rebutted or used example, the generator could be the heat gun, or cooling the container (and/ oil for which the generator chooses not

owner of the refrigeration equipment as or tubing to it) to which the recovery or to rebut the presumption is subject to

well as the service person or company recycling machine is evacuated. regulation under subpart H of 40 CFR who, in servicing the equipment, Another

option that would prevent part 266, Hazardous Waste Burned in collects the used oil. Than, the service mixture of refrigerants would be to Boilers and Industrial Furnaces. The person or company may burn the used require separate condensers for each presumption may be rebutted by oil provided that the owner or operator refrigerant on recovery or recycling showing that the used oil does not can successfully rebut the presumption

machines intended for use with contain concentrations in excess of

at 40 CFR 279.66(a) (current 40 CFR multiple refrigerants. This, however, 1,000 ppm of halogenated hazardous 266.40(c)).

would increase the cost of the recovery constituents listed in 40 CFR part 261,

c. Refrigerant Reclamation. Used oil or recycling machines. EPA requests appendix VIII or that the constituents

separated from CFCs during roclamation comment on the effectiveness and are only hazardous waste generated by

is managed in the same manner as used practicality of procedures for evacuating conditionally exempt small quantity oil separated from CFCs during

refrigerants from recycling and recovery generators subject to 40 CFR 261.5.

recycling (see Refrigerant Recycling devices. Appendix VIII of 40 CFR part 261 section). The generator has the

G. Certification of Recycling and identifies CFCs used as solvents as a

responsibility to determine whether hazardous constituent. Thus, a chemical residuals (including used oil) generated Recovery Equipment analysis may indicate that used oil during reclamation are hazardous. If the In order to ensure that recycling and containing a spent CFC (in

residuals consist of a mixture of CFCs, recovery equipment on the market is concentrations exceeding 1,000 ppm)

used as refrigerants, and other solvents capable of limiting emissions of CFCs used as a refrigerant (rather than as a listed in 40 CFR part 261, subpart D,

and HCFCs, EPA is proposing that solvent), is a hazardous waste under the

then the residuals from CFC reclamation recovery and recycling equipment rebuttable presumption at 40 CFR

would be a listed hazardous waste (see manufactured or imported on or after (6 279.11 and 279.60(c), (current 40 CFR

40 CFR 261.3(a)(2)(iii)). If the residuals months after publication of the final 266.40(e)) when, in fact, the CFCs are from CFC reclamation exhibit one or

rule), be tested and certified by an EPAnot derived from a listed hazardous

more of the characteristics of hazardous approved laboratory or organization. waste, then the residuals are a

The Agency proposes to require waste. Demonstrating that the CFCs in the used oil result from a refrigerant usa

characteristic hazardous waste (see 40 verification of performance in two areas rather than from mixture with a listed CFR part 261, subpart C).

that affect total recovery efficiency: (1) hazardous waste may rebut the

d. Used Refrigerant Oil. Thus far, this Vapor recovery efficiency and (2) presumption. Once used oil from

portion of the preamble has provided an efficiency of noncondensable purge

overview of RCRA regulations with devices on recycling machines. In refrigeration units is mixed with used

addition, EPA is proposing to require oil from other sources, one way to rebut respect to refrigerant CFCs that have

been recovered or will be recycled or that equipment and hoses be fitted with the presumption could be to maintain

reclaimed. Used oils, drained from shutoff valves or low-loss fittings. records of chemical analysis for each

refrigeration units, will be subject to the In addition to the initial testing, generated wastestream, although EPA

same regulations discussed above for manufacturers would have to have their does not require this chemical analysis

used oils separated from CFCs during equipment models tested or inspected at and recordkeeping. Then, non

recycling and reclamation. For an least once every three years to ensure refrigerant wastestreams containing

additional discussion of regulations that no changes had boon made to the CFCs could be eliminated from

applicable to used oil and used oil design that might prevent the acceptance for commingling with used oil destined for burning for energy

filters, see 57 FR 21524, May 20, 1992. equipment from meeting EPA

5. Handling Multiple Refrigerants in requirements. Such "follow-up" recovery as a used oil fuel.

Recycling and Recovery Equipment. (2) Used Oil Fired Space Heaters. As

programs are standard in equipment Under ordinary circumstances, one to discussed in 40 CFR 278.23 (a) and 40

testing programs throughout industry. two pounds of refrigerant may be left Manufacturers and importers would CFR 279.62 (a) and (b) (current 40 CFR 266.44(b)), owners and operators of used behind in a recycling or recovery device also have to place a label on each piece oil-fired space heaters that burn used oil the original equipment or into another

of certified equipment indicating that it fuel under the provisions of

is certified and showing which container. Unless it is removed from the organization tested and certified it. This

recovery or recycling machine using label would inform both consumers specification" used oil under 40 CFR 266.40(e): Arsenic-5 ppm, Cadmium-2 ppm, Chromium

special methods, this refrigerant will (technicians) and EPA enforcement 10 ppm, Lead-100 ppm, Flash Point-100°F

contaminate the next batch of refrigerant personnel that the equipment met EPA minimum, Total Halogens4000 ppm.

rocovorod by the machine. If the first standards.