Authority: IC 13-14-8; IC 13-17-3-4

Affected: IC 13-17

Sec. 1. (a) This rule applies to stationary vessels used to store volatile organic liquid (VOL) that are located in Clark, Floyd, Lake, and Porter counties.

(b) Stationary vessels with a capacity of less than thirty-nine thousand (39,000) gallons are:

1. (1) subject to the reporting and record keeping provisions of section 6(a) and 6(b) of this rule; and
2. (2) exempt from all other provisions of this rule.

(c) Stationary vessels with a capacity greater than or equal to thirty-nine thousand (39,000) gallons that store a VOL with a maximum true vapor pressure less than five-tenths (0.5) pound per square inch absolute (psia) are:

1. (1) subject to section 6(a), 6(b), and 6(h) of this rule; and
2. (2) exempt from all other provisions of this rule.

(d) Stationary vessels with a capacity greater than or equal to thirty-nine thousand (39,000) gallons that store a VOL with a maximum true vapor pressure greater than or equal to five-tenths (0.5) psia but less than seventy-five hundredths (0.75) psia are:

1. (1) subject to section 6(a), 6(b), 6(g), and 6(h) of this rule; and
2. (2) exempt from all other provisions of this rule.

(e) Stationary vessels with a capacity greater than or equal to thirty-nine thousand (39,000) gallons that store a VOL with a maximum true vapor pressure greater than or equal to seventy-five hundredths (0.75) psia but less than eleven and one-tenth (11.1) psia are subject to the following sections of this rule:

1. (1) 4(a).
2. (2) 4(c) through 4(e), as applicable.
3. (3) 5(a) through 5(e), as applicable.
4. (4) 6(a) and 6(b).
5. (5) 6(c) through 6(f), and 6(j), as applicable.

(f) Stationary vessels with a capacity greater than or equal to thirty-nine thousand (39,000) gallons that store a VOL with a maximum true vapor pressure greater than or equal to eleven and one-tenth (11.1) psia are subject to the following sections of the rule:

1. (1) 4(b) and 4(d).
2. (2) 5(e).
3. (3) 6(a), 6(b), 6(e), and 6(f).
4. (4) 6(j), as applicable.

(Air Pollution Control Division; 326 IAC 8-9-1; filed Dec 19, 1995, 3:10 p.m.: 19 IR 1056; filed Jul 16, 2018, 1:37 p.m.: 20180815-IR-326150427FRA; readopted filed Oct 18, 2024, 2:09 p.m.: 20241113-IR-326230809RFA)