Initial dry mass				m1				g
							Mass retained g		Percentage	Cumulative
	BS test sieve						actual	corrected	Retained	Percentage
								m	(m/m1)*100	passing
		75 mm
		63 mm
		50 mm
		37.5 mm
		28 mm
		20 mm
	Passing 20 mm			m2
		Total	(Check with m1)
		riffled		m3
		riffled and washed		m4
	Correction factor		(m2/m3)
		14 mm
		10 mm
		6.3 mm
	Passing 6.3 mm			m5
		Total	(Check with m4)
		riffled		m6
	Correction factor		(m2 / m5) * ( m5/m6)
		5 mm
		3.35 mm
		2 mm
		1.18 mm
		600 um
		425 um
		300 um
		212 um
		150 um
		63 um
	Passing 63 um		mf or me
	Total (check with m6)
	*Delete as appropriate