Appendix A1 - Appendix A1 to Subpart F of Part 82—Generic Maximum Contaminant Levels
| Contaminant | Reporting units | Air and Other Non-condensables | 1.5% by volume @ 25 °C (N/A for refrigerants used in low-pressure appliances 1). | Water | 10 ppm by weight 20 ppm by weight (for refrigerants used in low-pressure appliances 1). | Other Impurities Including Refrigerant | 0.50% by weight. | High boiling residue | 0.01% by volume. | Particulates/solids | visually clean to pass. | Acidity | 1.0 ppm by weight. | Chlorides (chloride level for pass/fail is 3ppm) | No visible turbidity. |
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1 Low-pressure appliances means an appliance that uses a refrigerant with a liquid phase saturation pressure below 45 psia at 104 °F.
Blend Compositions (Where Applicable)
| Nominal
composition (by weight%) | Allowable
composition (by weight%) | Component constitutes 25% or more | ±2.0 | Component constitutes less than 25% but greater than 10% | ±1.0 | Component constitutes less than or equal to 10% | ±0.5 |
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