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25 Pa. Code § 271.917. Frequency of monitoring.

§ 271.917. Frequency of monitoring.

 (a)  Sewage sludge other than residential septage.

   (1)  The frequency of monitoring for the pollutants listed in Table 1, Table 2 and Table 3 of §  271.914 (relating to pollutant limits); the pathogen density requirements in §  271.932(a) and (b)(2)—(4) (relating to pathogens); and the vector attraction reduction requirements in §  271.933(b)(1)—(8) (relating to vector attraction reduction) shall be the frequency in Table 1 of this section.


Amount of Sewage Sludge1
(Tons/Or Metric Tons
Per 365 Day Period)Frequency
Greater than zero but less
than 319 (290)
Once per year
Equal to or greater than 319
(290) but less than 1,650 (1,500)
Once per quarter (4 times per year)
Equal to or greater than 1,650
(1,500) but less than 16,500
Once per 60 days (6 times per year)
Equal to or greater than
16,500 (15,000)
Once per month (12 times per year)

 1 Either the amount of sewage sludge applied to the land or the amount of sewage sludge received by a person who prepares sewage sludge that is sold, given away or otherwise distributed, in a bag or other container for application to the land (dry weight basis).

   (2)  After the sewage sludge has been monitored for 2 years at the frequency in Table 1, the Department may reduce the frequency of monitoring for pollutant concentrations and for the pathogen density requirements in §  271.932(a)(5)(ii) and (iii). However, the frequency of monitoring may not be less than once per year when sewage sludge is applied to the land.

 (b)  Residential septage. If either the pathogen requirements in §  271.932(c) or the vector attraction reduction requirements in §  271.933(b)(11) are met when residential septage is applied to agricultural land, forest or a reclamation site, each container of residential septage applied to the land shall be monitored for compliance with those requirements.

Cross References

   This section cited in 25 Pa. Code §  271.821 (relating to application for general permit).

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