U.S. Department of Defense MIL-STD-810B — MIL-STD-810B Environmental Test Methods Standard (1967) — PDF Manual Download (EN)

,, ./’, .,’: Downloaded from https://www.everyspec.com .. ! MIL–STD-81 OB 15 June 1967 s u i t a b l e f i x t u r e s o r s u s p e n d e d f r o m h a n g e r s . control items d o n o t s h o w a n a b un d a n t g r o w t h , t h e e n t i r e t e s t ( b ) P r e co n d i t i o n t h e c h a m b e r a n d i t s co n t e n t s a t 29 ° C ( 84 ° F ) a n d s h a ll b e r e p e a t e d . 95 p e r c e n t R . H . fo r a t l e aa t 4 (c) I f t h e co n t r o l i t e m s s h o w s a t i s f a c- t o r y f un g u s g r o w t h , co n t i nu e t b e t e s t fo r a p e r i o d of 28 d a y s f r o m t h e t i m e of i n oc u l a t i o n o r a s h o u r s .

(c) I n oc u l a t e t h e t e s t a n d co n t r o l i t e m s s p e c i f i e d i n t h e e q u i p m e n t s p e c i - f i c a t i o n . w i t h t b e m i x e d f un g u s s p o r e s u s - p e n s i o n ( 3.1.2 ) b y s p r a y i n g i t o n t h e t e s t a n d co n t r o l i t e m s i n t h e fo r m of a f i n e m i s t f r o m a p r e v i - o u s l y s t e r ili z e d a t o m i z e r o r n e b u - & C r i t e r i a fo r p a ss i n g t e s t .

A t t h e e n d of t h e i n c u b a t i o n p e r i o d , t h e t e s t i t e m s h a ll b e r e m o v e d f r o m t h e t e s t c h a m b e r a n d i n - li z e r un t il t h e y a r e t h o r o u g h l y s p e c t e d i n a cco r d a n c e w i t h s e c t i o n 3, p a r a - w e t w i t h t h e s p r a y . I n c u b a t i o n i s t o b e s t a r t e d i mm e d i a t e l y fo ll o w - Specification, t h e t e s t i t e m s h a ll b e o p e r a t e d a n d t h e r e s u l t s co m p a r e d w i t h t h o ss o b t a i n e d in a cco r d a n c e w i t h s e c t i o n 3, p a r a g r a p h 3.2.1. g r a p h 3.2.4. I f s o s p e c i f i e d i n t h e squipment i n g t h e i n oc u l a t i o n .

3.1.6 Incabatiom ( a ) M a i n t a i n t h e t e s t c h a m b e r a t 29 C ( 84 ° F ) a n d 95 p e r c e n t R . H . ( m i n i m u m ) d u r i n g t h e li f e of t h e t e s t . K ee p t h e t e s t c h a m b e r c l o s e d 4. Summary. T h e fo il o w i n g d e t a il s s h a ll b e d e s i g n a t e d i n t h e e q u i p m e n t s p e c i f i c a t i o n : ( a ) P r e t e s t d a t a r e q u i r e d ( s e c t i o n 3, d u r i n g t h e i n c u b a t i o n p e r i o d e x - c e p t d u r i n g i n s p e c t i o n o r fo r a d - p a r a g r a p h 3.2.1 ) . d i t i o n of o t h e r t e a t i t e m s . ( b ) T e s t p e r i o d i f o t h e r t h a n 28 d a y s ( s ee 3.1.6 (c) ) .

( b ) Af t e r 14 d a y s , i n s p e c t t h e co n t r o l i t e m s . T h e y s h o u l d s h o w a n a b un - d a n t g r o w t h of f un g u s . I f t h e (c) W h e t h e r t e s t i t e m s h a ll b e o p e r - a t e d ( s ee 3.1.7 ) . S o s - a M E T H OD 50 S . . . .