The control authority may allow for verifiable estimates of these flows where justified by cost or feasibility considerations.
"Based on my inquiry of the person or persons directly responsible for managing compliance with the pretreatment standard for 40 CFR specify applicable national pretreatment standard part(s), I certify that, to the best of my knowledge and belief, there has been no increase in the level of list pollutant(s) in the wastewaters due to the activities at the facility since filing of the last periodic report under 9VAC25-31-840 E 1."
"Based on my inquiry of the person or persons directly responsible for managing compliance with the categorical pretreatment standards under 40 CFR ____, I certify that, to the best of my knowledge and belief that during the period from __________, ________ to ________, ________ months, days, year:
_____________"
9 Va. Admin. Code § 25-31-840
Statutory Authority: § 62.1-44.15 of the Code of Virginia; § 402 of the Clean Water Act; 40 CFR Parts 122, 123, 124, 403, and 503.