- Table 8 to Subpart U of Part 63—Summary of Compliance Alternative Requirements for the Back-End Process Provisions
| Compliance alternative | Parameter to be monitored | Requirements | Compliance Using Stripping Technology, Demonstrated through Periodic Sampling [§ 63.495(b)] | Residual organic HAP content in each sample of crumb or latex | (1) If a stripper operated in batch mode is used, at least one representative sample is to be taken from every batch.
(2) If a stripper operated in continuous mode is used, at least one representative sample is to be taken each operating day. | Quantity of Material (weight of latex or dry crumb rubber) represented by each sample | (1) Acceptable methods of determining this quantity are production records, measurement of stream characteristics, and engineering calculations. | Compliance Using Stripping Technology, Demonstrated through Stripper Parameter Monitoring [§ 63.495(c)] | At a minimum, temperature, pressure, steaming rates (for steam strippers), and some parameter that is indicative of residence time | (1) Establish stripper operating parameter levels for each grade in accordance with § 63.505(e).
(2) Continuously monitor stripper operating parameters. (3) If hourly average parameters are outside of the established operating parameter levels, a crumb or latex sample shall be taken in accordance with § 63.495(c)(3)(ii). | Determining Compliance Using Control or Recovery Devices [§ 63.496] | Parameters to be monitored are described in Table 3 of subpart G of this part | Comply with requirements listed in Table 3 of subpart G of this part, except for the requirements for halogenated vent stream scrubbers. |
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