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1.1 ,These test methods cover the determination of dissolved and total recoverable lead in water and waste water by atomic-absorption spectrophotometry2 and differential pulse anodic stripping voltammetry. Four test methods are included as follows:
| , | Concentration | , |
| Test Method A—,Atomic Absorption, Direct | 1.0 to 10 mg/L | ,7 to 15 |
| Test Method B—,Atomic Absorption, | 100 to 1000 μ,g/L | 16 to 24 |
| Test Method C—,Differential Pulse Anodic | 1 to 100 μ,g/L | 25 to 35 |
| Test Method D—,Atomic Absorption, | 5 to 100 μ,g/L | 36 to 44 |