25 Pa. Code § 139.32

Current through Register Vol. 54, No. 25, June 22, 2024

Section 139.32 - Sampling and analytical procedures

(a) Sampling and analytical techniques which may be used directly or employed as reference standards against which other methods may be calibrated shall be as follows:

Contaminant	Sampling Method	Analytical Method
Settled particulates (total)	Open top cylinder (6)	Gravimetric (6)
Beryllium	High-volume filtration (7)	Spectrographic (7)
Flourides (total soluble, as HF)	Filtration plus gas absorption (9)	Thorium-alizarin lake titration (9)
Hydrogen sulfide	Gas absorption (18)	Methylene blue method (18)

(b) The numbers following the reference standards in subsection (a) refer to the references contained in § 139.4 (relating to references).

25 Pa. Code § 139.32

The provisions of this § 139.32 adopted March 3, 1972, effective 3/20/1972, 2 Pa.B. 383; amended November 25, 1994, effective 11/26/1994, 24 Pa.B. 5899; amended September 4, 1998, effective 9/5/1998, 28 Pa.B. 4525.

This section cited in 25 Pa. Code § 139.31 (relating to general); and 25 Pa. Code § 139.33 (relating to incorporation of Federal procedures).