40 CFR Appendix Table C-2 to Subpart C of Part 53 - Table C–2 to Subpart C of Part 53—Sequence of Test Measurements

Measurement	Concentration range
	First set	Second set
1	Low	Medium.
2	High	High.
3	Medium	Low.
4	High	High.
5	Low	Medium.
6	Medium	Low.
7	Low	Medium.
8	Medium	Low.
9	High	High.
10	Medium	Low.
11	High	Medium.
12	Low	High.
13	Medium	Medium.
14	Low	High.
15		Low.
16		Medium.
17		Low.
18		High.