make into sentences: Theophylline: sample had a negative spike Unspiked - 100uL of one of the 2- 1 steeping filtered tea samples & 900uL of solvent. Spiked - 100uL of one of the 2- 1 steeping filtered tea samples, 50uL of 10ppm standard, and 900uL of solvent. Theobromine: A 2ppm intermediate was made to make the unspiked & spiked samples: 2mL of 10ppm & 8mL of solvent. Unspiked - 100uL of 2ppm intermediate & 900uL solvent Spiked - 100uL intermediate, 20uL of 10ppm standard, and 880uL solvent. Caffeine: A stock intermediate was made in order to make the unspiked and spiked samples: 0.5mL of one of the 2- 1 steeping filtered tea samples & 9.5mL solvent. Unspiked - 100uL intermediate, 100uL intermediate & 900uL solvent Spiked - 100uL intermediate, 75uL 10ppm standard, and 825uL solvent