Microscope Adjustment
Porton Reticle Calibration
Counting and Sizing
Calculations:
(i) Standard Sample Volume

(ii) Concentration of Asbestos

DUST SAMPLING PROCEDURES... cssccucsevcsscecesscsesscscererrs

Scope.

Principle of Sampling

10 Minute Sample Period

Continuous Sampling (Statice Samplers)

Continuous Sampling (Mobile Samplers)

Discontinuous Sampling 7

General Considerations Affecting Continous Sampling

Time Weighted Average Sampling
LIMITATIONS & ACCURACY OF MEMBRANE FILTER METHOD.......-.--
CASSIAR SAMPLING PROGRAM. ..csvsssreccecssesvsrenscessssscane

GOVERNMENT PEGULATIONS . cess scene nvecvcrncenssvessssssssesecescccs
(a) PRESENT REGULATIONS... ..ccccsccccrecccsvcveessnsscsesecscces

(b) FUTURE REGULATIONS? .. cc cscs veces cvovssvesscsvceseress

.

CASSTIAR OBJECTIVE... cern cerns ere eee e nore ces nernsseceasnnsesserseres

RECOMMENDATIONS... cccsensvcsenssvevesesenesnsesscessscsssscesssees

(a) GENERAL. ccc creo ce sere vera eves sd eres eer nesoesoessossvsesesere®