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Code · CFR · Title 40 — Protection of Environment · Part 60 · § 60.244

§ 60.244. Test methods and procedures.

400 words·~2 min read·/us/cfr/t40/s§ 60.244·

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(a)The owner or operator shall conduct performance tests required in § 60.8 only when the following quantities of product are being cured or stored in the facility.
(1)Total granular triple superphosphate is at least 10 percent of the building capacity, and
(2)Fresh granular triple superphosphate is at least 6 percent of the total amount of triple superphosphate, or
(3)If the provision in paragraph (a)(2) of this section exceeds production capabilities for fresh granular triple superphosphate, fresh granular triple superphosphate is equal to at least 5 days maximum production.
(b)In conducting the performance tests required in § 60.8, the owner or operator shall use as reference methods and procedures the test methods in appendix A of this part or other methods and procedures as specified in this section, except as provided in § 60.8(b).
(c)The owner or operator shall determine compliance with the total fluorides standard in § 60.242 as follows:
(1)The emission rate
(E)of total fluorides shall be computed for each run using the following equation: where: E = emission rate of total fluorides, g/hr/Mg (lb/hr/ton) of equivalent P2O5 stored. Csi = concentration of total fluorides from emission point “i,” mg/dscm (gr/dscf). Qsdi = volumetric flow rate of effluent gas from emission point “i,” dscm/hr (dscf/hr). N = number of emission points in the affected facility. P = equivalent P2O5 stored, metric tons (tons). K = conversion factor, 1000 mg/g (7,000 gr/lb).
(2)Method 13A or 13B shall be used to determine the total fluorides concentration
(Csi)and volumetric flow rate
(Qsdi)of the effluent gas from each of the emission points. The sampling time and sample volume for each run shall be at least 60 minutes and 0.85 dscm (30 dscf).
(3)The equivalent P2O5 feed rate
(P)shall be computed for each run using the following equation: P = Mp Rp where: Mp = amount of product in storage, Mg (ton). Rp = P2O5 content of product in storage, weight fraction.
(i)The accountability system of § 60.243(a) shall be used to determine the amount of product
(Mp)in storage.
(ii)The Association of Official Analytical Chemists
(AOAC)Method 9 (incorporated by reference—see § 60.17) shall be used to determine the P2O5 content
(Rp)of the product in storage. [54 FR 6671, Feb. 14, 1989, as amended at 62 FR 18280, Apr. 15, 1997; 65 FR 61757, Oct. 17, 2000]
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